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... The Brazilian Movimento dos Trabalhadores Rurais Sem-Terra (MST) is one of the best-known and most prominent rural social movements. The unequal distribution of land in Brazil, and the neglect of this problem by successive Brazilian governments contributed greatly to the organisation of rural movements striving for the implementation of land reform in the country. The struggle for land therefore f ...
autumn; climate change; cows; dairy farming; farm management; farms; grazing; greenhouse gas emissions; inventories; land application; nitrous oxide; pastures; soil; volatilization; wet season; winter; New Zealand
Abstract:
... A trial was conducted in 2004 and 2005 to evaluate the effect of a stand-off winter stock management system on nitrous oxide (N₂O) emissions from a dairy farm in New Zealand. The management system consisted of removing cows from pasture after grazing for 6 h per day and keeping them on a stand-off pad for the rest of the day during the late autumn/winter seasons in order to reduce soil physical da ...
... The concentration of airborne Fagaceae pollen in Salamanca and the correlations with some meteorological parameters have been examined. Castanea and Quercus pollen grains were collected from 1998 to 2004 using a Burkard spore trap. No pollen grains of Fagus were found. The main pollen season took place in April and May for Quercus and in June and July for Castanea. Yearly variations on these dates ...
... This paper examines the usefulness of the new social movements (NSMs) paradigm in the changing context of East European post-communist societies and their agricultural systems and rural communities. Starting with statements formulated in Western sociology in the context of Western democratic societies about NSMs as a protest against modernity, the paper analyses the role of such movements in the s ...
... Deep chiseling in heavy drained soils can help increase infiltration and hence reduce erosion, potentially enhancing growth by reducing excess water in the root zone and reducing nutrient losses through the reduction of runoff to surface waters. The goals of this study were to apply DRAINMOD-K s -STMAX, a modified form of the water management model, DRAINMOD 1) to predict the effects of deep chise ...
... Tomato fruits and seed lots were screened for the presence of Xanthomonas vesicatoria and Ralstonia solanacearum. Yellow colonies of Xanthomonas vesicatoria and white colonies of Ralstonia solanacearum were consistently isolated on yeast extract-dextrose-calcium carbonate agar medium (YDC) from diseased fruits and seed samples. This was confirmed by isolation on semi-selective medium such as Tween ...
... Microorganisms are increasingly exploited as a source of new pharmaceuticals. Soil fungi are particularly promising to this regard since their biocenotic competitiveness is often based on the production of antibiotics and other inhibitory substances. About 15 Penicillium strains possessing some extent of antifungal ability were evaluated as a possible source of antitumor products based on the anti ...
... In this communication, we report the presence of a newly identified serine alkaline protease producing bacteria, Virgibacillus pantothenticus (MTCC 6729) in the fresh chicken meat samples and the factors affecting biosynthesis as well as characterization of protease. The strain produced only 14.3 U ml-¹ protease in the standard medium after 72 h of incubation, while in optimized culture conditions ...
... Political participation in the rural United States has often been narrowly defined within the confines of electoral politics. Increasingly, participants in rural US social movements have highlighted the shortcomings of democracy defined purely in terms of electoral politics in favour of a more participatory model of politics that focuses on the social and cultural rights of those who are often for ...
high density lipoprotein; high fat diet; blood lipids; restricted feeding; refeeding; hyperlipidemia; triacylglycerols; cholesterol; white adipose tissue; intestines; animal models; uptake mechanisms; rats; brown adipose tissue; low calorie diet; body fat
Abstract:
... Objective: We investigated the effects of severe caloric restriction and refeeding with a high-fat diet on lipid uptake by visceral adipose fat and lipid profile in rats. Methods: Rats were assigned to six groups: a chow diet (C), a high-fat diet (H), severe caloric restriction (SC and SH), and severe caloric restriction plus refeeding (SC-r and SH-r) during 8 wk. All animals were killed by decapi ...
Echinodorus; aquarium plants; monophyly; new combination; phenotypic plasticity; plant morphology
Abstract:
... Echinodorus is the second largest genus in the aquatic plant family Alismataceae. The genus is naturally distributed in the New World, but many species are known world-wide as popular aquarium plants. The views upon species delimitation and infrageneric classification of the genus have been controversial. Phenotypic plasticity of aquatic plants combined with reduced and presumably convergent morph ...
Sorghum bicolor; equations; evaporation; freshwater; greenhouses; irrigation rates; irrigation scheduling; microirrigation; saline soils; saline water; salinity; sandy soils; soil salinity; soil water; soil water content; time domain reflectometry; water content
Abstract:
... The number of sensor types available for measuring soil water content has increased but investigations to compare their performance in saline soils needs clarification. In this study the performance of commercially available, low-cost soil moisture sensors [time domain reflectometry (TDR), PR1 and WET], all measuring changes in the dielectric constant of the soil water, was evaluated under laborat ...
... Objective: Conjugated linoleic acids (CLAs) have potential antiatherosclerotic properties: they may inhibit atherosclerotic processes by reducing the intensity of inflammatory processes. However, in vivo studies have shown that the application of trans-10, cis-12 CLA in obese men increased their oxidative stress. The objective of this study was to determine whether CLA can lead to an increase in o ...
... Comet assay was used to detect DNA integrity of paddlefish (Polyodon spathula) sperm following cryopreservation. At the same time, sperm velocities prior to freezing and post-thawing were also assessed by the computer-assisted sperm analysis (CASA) system. Significant differences (P < 0.05) were detected in the degree of DNA damage in cryopreserved sperm using different extenders. According to osm ...
... German milk brands have come under significant price pressure due to the introduction of retail labels at the lower price end and of organic milk as a premium product. This analysis provides elasticity estimates by milk types and analyzes sociodemographic determinants of demand. A censored system of German household demand for organic and conventional milk, further separated into retail-label and ...
... A HPLC method for the determination of ergometrine, ergotamine, ergocristine, α-ergocryptine and ergocornine in cereals for animal feed and in mixed feed with high cereal content was developed. Samples were extracted under acidic conditions using a mixture of phosphoric acid and acetonitrile, the extract purified with solid phase extraction cartridges (strong cation exchange), and ergot alkaloids ...
... Objective: Although a favorable effect of dietary folate and ω-3 polyunsaturated fatty acids (PUFAs) on depression is suggested from epidemiologic studies in Western countries, evidence from non-Western populations is lacking. We examined cross-sectional associations between the intake of folate, other B vitamins, and ω-3 PUFAs and depressive symptoms in Japanese adults. Methods: Subjects were 309 ...
adults; patients; nutritional status; malnutrition; animal injuries; nutritional intervention; nutritional support; hospitals; guidelines; nursing homes; dietary recommendations; nutrition assessment; body weight; body mass index; nutrition knowledge; health care workers; Netherlands; Germany; United Kingdom
Abstract:
... Objective: Malnutrition, characterized by a loss of lean body mass, enhances the risk of pressure ulcers (PUs). Because the intrinsic risk factor nutritional status in PU development can be influenced by practitioners' interventions, the use of clinical guidelines might be a satisfactory management approach. This study investigated the influence of using nutritional guidelines in daily practice on ...
... Embryonic development of Clarias gariepinus was studied from oocyte activation to the end of endogenous feeding (164 h post-fertilization, 164 h-PF). The ontogeny of the eyes, the ear, the heart, the digestive tract and the notochord were described histologically: (i) eyes were not pigmented at hatching (40 h-PF) and the anlage of the retina was observed at 96 h-PF. At 164 h-PF, the pigmented epit ...
... The production of red pigments and citrinin by Monascus purpureus CCT3802 was investigated in submerged batch cultures performed in two phases: in the first phase, cells were grown on glucose, at pH 4.5, 5.5 or 6.5; after glucose depletion, pH was adjusted, when necessary, to 4.5, 5.5, 6.5, 7.0, 8.0 or 8.5, for a production phase. The highest total red pigments absorbance of 11.3 U was 16 times gr ...
... Objective: Zinc (Zn) is an essential trace element that is a potent enhancer of protein metabolism due to its numerous roles in metabolic processes. Protein turnover decreases with age. We determined whether a Zn supplementation, which increases serum Zn concentration and Zn exchangeable pool mass, modifies whole-body protein turnover and albumin and fibrinogen synthesis rates in late-middle-aged ...
Coleoptera; Diptera; Ephemeroptera; Trichoptera; agricultural land; aquatic invertebrates; bank erosion; biomass; construction technology; ecosystems; energy flow; habitats; infrastructure; macroinvertebrates; organic matter; sand; silt; stream channels; vertebrates; Iowa
Abstract:
... Nearly 400 rock rip-rap grade control structures (hereafter GCS) were recently placed in streams of western Iowa, USA to reduce streambank erosion and protect bridge infrastructure and farmland. In this region, streams are characterized by channelized reaches, highly incised banks and silt and sand substrates that normally support low macroinvertebrate abundance and diversity. Therefore, GCS compo ...
... Seven agroforestry tree species were grown in a clay loam soil treated with different levels of selenate-Se, viz. 0, 1.25, 2.5 and 5.0 mg/kg supplied through sodium selenate. After 1 year of growth, a progressive decrease in dry matter of leaves, stem and roots was observed with increasing levels of applied Se. However, a significant decrease in dry matter yield was observed only at or above 2.5 m ...
Primates; Rhinolophus; Severe acute respiratory syndrome coronavirus; Sus scrofa; birds; carnivores; genome; genomics; hosts; human diseases; humans; markets; mutation; peptidyl-dipeptidase A; phylogeny; rodents; swine; viruses; China
Abstract:
... Severe acute respiratory syndrome (SARS) is a novel human illness caused by a previously unrecognized coronavirus (CoV) termed SARS-CoV. There are conflicting reports on the animal reservoir of SARS-CoV. Many of the groups that argue carnivores are the original reservoir of SARS-CoV use a phylogeny to support their argument. However, the phylogenies in these studies often lack outgroup and rooting ...
business enterprises; commercialization; functional foods; health claims; issues and policy; markets; models; new products; statistics; surveys; Canada; United States
Abstract:
... Factors influencing the development and commercialization of functional food and nutraceutical (FFN) products are explored. Count data models are developed to relate firm, market, and regulatory covariates to the number of FFN product lines firms have under development, on the market, and in total. Canadian firm-level innovation data were taken from Statistics Canada (2003) Functional Food and Nut ...
rural health care; information technology; innovation adoption; United States
Abstract:
... Continuing is a national political drive for investments in health care information technology (HIT) that will allow the transformation of health care for quality improvement and cost reduction. Despite several initiatives by the federal government to spur this development, HIT implementation has been limited, particularly in the rural market. The status of technology use in the transformation eff ...
... The antimicrobial resistance profile of 220 bacteria isolated from 1,006 episodes of blood stream infections (BSI) between January 2004 and December 2005 in a University Teaching Hospital, Southwestern Nigeria, were analyzed. Gram positive bacteria constituted 47.3% while Gram negative constituted 52.7%. The most common organisms were Staphylococcus aureus (37.3%), Klebsiella (30%), Pseudomonas (8 ...
... According to the amino acid sequence, a codon-optimized xylanase gene (xynA1) from Thermomyces lanuginosus DSM 5826 was synthesized to construct the expression vector pHsh-xynA1. After optimization of the mRNA secondary structure in the translational initiation region of pHsh-xynA1, free energy of the 70 nt was changed from -6.56 to -4.96 cal/mol, and the spacing between AUG and the Shine-Dalgarno ...
... Construction and operating costs for two gestation housing systems were compared to assess their impact on cost per weaned pig produced. The systems compared were: 1) individual gestation stalls in a mechanically ventilated confinement building with slatted floor and 2) group pens with individual feed stalls in deep-bedded naturally ventilated hoop barns. Previous work has shown that reproductive ...
... The life history characteristics of an invasive cyprinid fish, the Prussian carp (Carassius gibelio) were examined in Lake Chimaditis (northern Greece). The population is dominated by females that are able to reproduce gynogenetically. Fish samples were collected using trammel nets from August 2004 to July 2005. Their total length (TL) ranged between 21.9 and 37.0 cm. The length-weight relationshi ...
North American Free Trade Agreement; markets; onions; prices
Abstract:
... The North American agricultural markets have become much more integrated; but the level of integration varies across sectors and over time. Differential tariff phasing-out periods and remaining trade disputes are two of many factors contributing to this. This article applies panel data unit root tests to study price convergence and market integration in the North American onion markets. Commodity ...
rural health care; mental health; physicians; labor statistics; Appalachian region
Abstract:
... Context: Research on health disparities in Appalachia has rarely compared Appalachia to other geographic areas in such a way as to isolate possible Appalachian effects. Purpose: This study tests hypotheses that nonmetropolitan Appalachia will have higher levels of mental health professional shortage areas than other nonmetropolitan areas of the same states, but that these disparities will dissipat ...
... Pacific Northwest (PNW) streams in the United States were impacted by the 20th century development, when removal of instream structure and channelization degraded an aquatic habitat. The lower Kelley Creek in southeast Portland, USA was channelized during the 1930's Works Progress Administration (WPA) projects. Stream restoration reintroduced pool-riffle sequences and heterogeneous substrates to p ...
... Two morphs of the sterlet, Acipenser ruthenus, were clearly recorded in two samplings from the middle course of the Danube River in Serbia. The pooled samples comprised 47.9% pointed-snout morphs and 52.1% blunt-snout morphs. The most obvious differences were snout shape and length, mainly the differences in the snout area in front of the barbels. In addition to this snout difference, the two morp ...
agricultural land; interpersonal relationships; land values; markets; neural networks; purchasing; social capital; trade
Abstract:
... The influence of buyer and personal relationship characteristics on agricultural land prices has received little attention in the literature. Recently, G.M. Perry and L.J. Robinson (2001) used a restricted nonlinear specification to model the influence of personal relationships (and other factors) on the implicit prices of land characteristics. In this article, we extend and generalize their speci ...
... Understanding hydrodynamic cues used by outmigrating juvenile salmon (emigrants) to guide fine-scale swim path selection is critical to successful fish guidance and passage at man-made structures. We show how these cues can be inferred from channel features and complex flow fields of natural rivers through which emigrants pass. We then describe a new cue, 'total hydraulic strain', integrating prop ...
Lactobacillus delbrueckii subsp. bulgaricus; Streptococcus thermophilus; chemical composition; cultured milk starters; exopolysaccharides; fermented milk; galactose; gel chromatography; glucose; high performance liquid chromatography; hydrolysis; ion exchange chromatography; milk; molecular weight; polymers; rhamnose; viscosity
Abstract:
... Exopolysaccharide (EPS) preparations from Lactobacillus delbrueckii ssp. bulgaricus (L. bulgaricus) strains LBB.B26 and LBB.B332 and Streptococcus thermophilus strains LBB.T54 and LBB.T6V were characterized using ion-exchange chromatography and gel filtration. All four preparations contained a neutral EPS with molecular mass in the range of 1.3-1.6 x 10⁶ Da (HMM-EPS). The EPS preparations from the ...
metabolic syndrome; physical activity; elementary students; high school students; rural health care; obesity; rural youth; middle school students; Southeastern United States
Abstract:
... Background:Research suggests significant health differences between rural dwelling youth and their urban counterparts with relation to cardiovascular risk factors. This study was conducted to (1) determine relationships between physical activity and markers of metabolic syndrome, and (2) to explore factors relating to physical activity in a diverse sample of rural youth. Methods: Data were collect ...
politics; forestry; case studies; British Columbia
Abstract:
... Contemporary rural social movements bring diverse interest groups and stakeholders together at the local scale in the pursuit of common visions and goals, often against the backdrop of an external threat. The challenge for a movement's leaders is to negotiate and design a rural agenda that resonates with this complex constituency. One way to approach this problem is to construct and politicize a l ...
Bacillus (bacteria); beta-glucanase; calcium; chromatography; lakes; mass spectrometry; metal ions; molecular weight; pH; thermal stability; China
Abstract:
... A relatively high β-glucanase-producing strain Bacillus sp. III-3 was isolated from soda lakes in Neimenggu, China. This alkaliphilic strain was found to produce two thermostable β-glucanases including a novel neutral β-glucanase III-3-A and an alkaline β-glucanase III-3-B. The β-glucanases were purified to homogeneity from the culture supernatant with a two-step column chromatographic procedure. ...
rural health care; migrant workers; farm labor; Pennsylvania
Abstract:
... Purpose:The purpose of this pilot study was to determine the reasons for which migrant agricultural workers in Pennsylvania seek health care.Methods:Participants were individuals 14 years of age and over, actively involved in agricultural labor and presenting for medical care at 6 migrant health care centers. Bilingual health care providers randomly selected and interviewed the participants.Findin ...
... Field rainfall simulations with intensities of 85 and 170 mm/h were conducted in 2002 and 2005 on a 15-m long slope on a loess soil in Luoyang, Henan Province, P. R. China to study the effects of different soil management practices on the redistribution and loss of soil organic carbon (SOC) by runoff and soil erosion. Field plots under winter wheat (Triticum aestivum L.) were set up in 2001 and in ...
rural health care; drug therapy; drugs; elderly; United States
Abstract:
... Context: Due to various barriers to health care access in the rural setting, there is concern that rural older adults might have lower access to prescribed medications than their urban counterparts. Purpose: To review published research reports to determine prevalence and mean medication use in rural, noninstitutionalized older adults and assess whether rural-urban differences exist. Methods: PubM ...
income; urban areas; rural health care; rural areas; general practitioners; pediatricians; United States
Abstract:
... Context:Low salaries and difficult work conditions are perceived as a major barrier to the recruitment of primary care physicians to rural settings. Purpose: To examine rural-urban differences in physician work effort, physician characteristics, and practice characteristics, and to determine whether, after adjusting for any observed differences, rural primary care physicians' incomes were lower th ...
... Airborne fungal spore concentrations in Szczecin, Poland, were studied between 2004 and 2006 with the objective of determining a seasonal variation in the concentrations of selected fungal spore types in relation to meteorological parameters. The presence of spores of five taxa, namely, Cladosporium, Ganoderma, Alternaria, Leptosphaeria and Didymella, was recorded using a volumetric method (Hirst ...
... In the past, sturgeons were practically unknown in Greece, both to the public and to scientists, the latter not having had the opportunity to study wild populations of the four native species. Populations of stellate sturgeon (Αcipenser stellatus Pallas, 1771), Adriatic sturgeon (Acipenser naccarii Bonaparte, 1836), and beluga sturgeon (Huso huso L., 1758) gradually collapsed by the end of the 197 ...
... The in vitro anti-platelet and antioxidant activities of various solvent extracts from Phellinus gilvus (PG), and the effects of hot water extract from PG (PGW) on murine cellular immunity were investigated. Chloroform extract (CE), methanol extract (ME) and butanol extract (BE) from PG could significantly inhibit platelet aggregation induced by thrombin. Ethyl acetate extract (EAE), BE, ME from P ...
cluster analysis; fresh produce; markets; national surveys; purchasing; willingness to pay
Abstract:
... The choices consumers make about fresh produce, such as where it is purchased and what they are willing to pay, are likely influenced by a range of private and public attributes. This study uses factor and cluster analysis techniques to explore the preferences of consumers who responded to a 2006 national survey to determine the dimensions over which consumers make purchasing decisions and to iden ...
mathematical models; power requirement; water flow; equipment performance; centrifugal pumps; prediction
Abstract:
... A simple numerical model was developed to predict the performance curves of centrifugal water pumps. The model inputs are easily obtainable pump geometrical data and empirical coefficients experimentally determined or found in the literature. The predicted pump characteristic curves for pressure head, volumetric efficiency, and power required to drive the pump were compared to experimental data ob ...
simulation models; Monte Carlo method; food processing; food irradiation; computed tomography; databases
Abstract:
... A Web-based integrated system was developed for data manipulation and management for particle transport simulation in foods. Particle transport simulation of foods is an important food irradiation technique for dosimetry assessment of a given irradiation system to deliver the required dose to the products intended for treatment. A CT (Computed Tomography) based 3-D geometric modeling technique for ...
Acrisols; Ferralsols; Tithonia diversifolia; Zea mays; acidification; aluminum; available water capacity; cation exchange capacity; clay; corn; data collection; databases; field experimentation; geographic information systems; phosphorus; phosphorus fertilizers; plant available water; rivers; soil pH; soil resource management; soil surveys; toxicity; upland soils; water holding capacity; watersheds; Queensland; Vietnam
Abstract:
... Sustainable agricultural systems are based on managing soils according to their capabilities and constraints. To facilitate the identification of constraints and appropriate management strategies for upland soils, a decision support framework 'Soil Constraints and Management Package' (SCAMP) has been developed. Basic soil data (both field and laboratory) are entered into an Access database and are ...
Simulium; control methods; habitats; hydrology; macroinvertebrates; models; pests; rivers; spring; water temperature; South Africa
Abstract:
... Elevated, more constant flows characterize the current flow regime of the Great Fish River (Eastern Cape province, South Africa) following the completion of an interbasin transfer scheme (IBT) in 1977, where prior to this the winter months were often characterized by zero flows. Changes in aquatic macroinvertebrate communities, and in particular outbreaks of the pest blackfly Simulium chutteri Lew ...
... This paper describes a prototype of a portable rainfall simulator that can simulate a wide range of rainfall intensities with a kinetic energy similar to that of natural rainfall and, more innovatively, provide simultaneous or independent simulations of rainfall and overland flow at the microplot scale (0.70 m²). The design of the rotating shutter disc makes possible a wide range of rainfall inten ...
rural health care; alcohol abuse; adolescents; rural areas; urban areas; wounds and injuries; risk assessment; Canada
Abstract:
... Context:The impact of alcohol consumption on risks for injury among rural adolescents is an important and understudied public health issue. Little is known about whether relationships between alcohol consumption and injury vary between rural and urban adolescents. Purpose: To examine associations between alcohol and medically attended injuries by urban-rural geographic status using a representativ ...
Alfisols; arid lands; furrows; rain; rain intensity; rainfall simulation; runoff; sediments; semiarid zones; spatial distribution; topographic slope; water conservation; India
Abstract:
... Furrows are widely used in rainfed areas of semi-arid India for soil and water conservation. The orientation of furrows, either down or across slope, and their spacing influence the effectiveness of furrows as soil and water conservation measures. We evaluated treatments with furrows aligned down and across 3% sloping land at spacings of 90, 60 and 30 cm under simulated rainfall intensities of 80 ...
Salmo salar; Salmo trutta; cleaning; dissolved oxygen; fish; gravel; rivers; spawning; water quality; water temperature; Germany
Abstract:
... Dissolved oxygen (DO) conditions within the hyporheic zone were investigated in a gravel stream (River Sieg) in North Rhine Westphalia, Germany, populated in the spawning season by recurring migratory fish species, like Atlantic salmon (Salmo salar L.) and sea trout (Salmo trutta trutta L.). The gravel bed was cleaned at three sites in an area of approximately 150 m² to a depth of 50 cm, reducing ...
... Seagrass bed habitat is an important biotic community in decline worldwide. Boat damage has long been recognized for its negative impacts on shallow-water seagrass beds, with those along the Florida coast particularly vulnerable in the face of a large human population possessing a large number of boats. Boat scars to seagrass beds recover slowly, resulting in new damage that often outpaces recover ...
adults; obesity; ghrelin; leptin; low calorie diet; blood chemistry; weight loss; cardiovascular diseases; risk factors; body fat; dietary protein
Abstract:
... Objective: Hypocaloric diet-induced weight loss produces a coordinated decrease in plasma leptin levels and an increase in plasma ghrelin levels. The aim of the present study was to determine whether subjects who lose significant weight experience changes in circulating ghrelin and leptin levels. Methods: A population of 66 obese patients was analyzed. Leptin, active ghrelin blood levels, and othe ...
bark; bone meal; calcium nitrate; cations; coir; composts; copper; green waste; heavy metals; lead; peat; remediation; salt concentration; soil; sorption; wood; zinc
Abstract:
... Bonemeal, coir, compost, green waste compost, peat and wood bark all potentially could be used as amendments to remediate heavy metal contamination in soils. Their ability to sorb Pb, Cu and Zn was evaluated in the laboratory, using metal solutions ranging from 0 to 5 mmol/L as contaminants. The effects on sorption of metal concentration, background salt concentration and metal competition were ev ...
... The atmosphere of Mar del Plata city (Argentina) was monitored using three different pollen traps--Burkard, Rotorod, and Tauber--during a flowering season (mid-winter to springtime) in order to compare the diversity and amounts of pollen grains collected in each trap. Sixty three percent of taxa diversity was simultaneously recorded by all three apparatuses. The five most abundant types of pollen ...
aflatoxins; biosynthesis; cowpeas; fungi; gamma radiation; genes; heat; random amplified polymorphic DNA technique; seed coat; Benin
Abstract:
... A number of 21Aspergillus sp. strains isolated from cowpeas from Benin (Africa) were characterized by RAPD methodology. Seven of these strains grouped withA. flavus in the dendrogram generated with the RAPD data. Only three were able to produce aflatoxin in significant amounts. Twelve other isolates grouped withA. parasiticus. All of these strains except 3 produced aflatoxin. Two additional strain ...
... DNA barcoding has been touted as a program that will efficiently and relatively cheaply inform on biological diversity; yet many exemplars purporting to demonstrate the efficacy of the method have been undertaken by its principal proponents. Critics of DNA barcoding identify insufficient within-taxon sampling coupled with the knowledge that levels of haplotypic paraphyly are rather high as key rea ...
... Strain KUFI-6N of Exophiala jeanselmei, a cyclohexanol-utilizing yeast-like fungus, was found to grow on 3 isomers of hydroxybenzoate that functioned as the sole carbon sources. Distinct and highly specific hydroxylases converted p- and m-hydroxybenzoate to protocatechuate and o-hydroxybenzoate to catechol. ...
deinking; copper; agricultural land; soil organic matter; long term effects; pulp and paper sludge; soil quality; paper; recycled paper; soil pH; England; Wales
Abstract:
... Short-fibre paper residuals (deinking paper fibre (DPF) or paper mill sludge) represents a major waste formed during the processing of recycled paper and is known to contain significant quantities of copper. It is often spread onto agricultural land to help increase soil pH and improve structure by adding soil organic matter (SOM). A number of agricultural sites in England and Wales that had recei ...
... A new irrigation controller was developed using readily available components and coupled with an inexpensive dielectric soil water probe. The electronic controller was designed to be easily adapted to existing commercial irrigation systems that currently use time clocks with a pressurized water supply. The total cost of components used in this controller (not including shipping or labor costs) was ...
rural health care; rural women; health status; qualitative analysis; adults; focus groups; interviews; Ontario
Abstract:
... Context:The influences of gender and geography are increasingly being acknowledged as central to a comprehensive understanding of health. Since little research on rural women's health has been conducted, an in-depth qualitative approach is necessary to gain a better initial understanding of this population. Purpose: To explore the determinants of health and their influence on rural women's health. ...
... Willow is a fast-growing crop with a biomass potential between 10 and 20 t of dry matter (DM) per ha per year in a northern climate like Canada. Once established, willow reaches optimal yield under a 3-year cutting rotation. One method of harvesting is to cut and chip the whole plant for immediate use or wet storage. Alternately, willow can be cut and either bundled or baled for natural drying in ...
... Level and graded-basins are widely used to irrigate citrus (Citrus sp.) and alfalfa ( Medicago sativa L.) crops grown on sandy soils of the Yuma Mesa Irrigation and Draniange Districts (YMIDDs) of southwestern Arizona. Historically, irrigation application efficiencies in the YMIDDs have been low (generally <40%). Owing to rising demands for water from urban and industrial interests and heightened ...
... Studies of abundance, diversity and distribution of antibiotic-resistant bacteria and their resistance determinants are necessary for effective prevention and control of antibiotic resistance and its dissemination, critically important for public health and environment management. In order to gain an understanding of the persistence of resistance in the absence of a specific antibiotic selective p ...
... Rotary fertilizer spreaders, with single- or twin-disc, should be level during field applications for a proper fertilizer distribution pattern. Pattern tests are recommended to be conducted with the spreader level. Even if the spreader is initially level, it can become unlevel due to reasons such as connection errors on three-point hitches, different inflation pressures of the tires on the tractor ...
... Vanes used in rotary fertilizer spreaders can be straight, curved, or composite-shaped. No information was found in the literature on the effect of different vane shapes on fertilizer distribution uniformity. In this study, the effect of different vane shapes on the fertilizer distribution uniformity in single-disc rotary fertilizer spreaders was investigated using triple superphosphate and calciu ...
... Melaleuca alternifolia (tea tree) essential oil was investigated for its “in vitro” ability to control Trichoderma harzianum, a fungal contaminant that causes extensive losses in the cultivation of Pleurotus species. The antifungal activity of M. alternifolia essential oil and antagonist activities between Pleurotus species against three T. harzianum strains were studied in dual-culture experiment ...
... The effect of manganese and selected synthetic dyes on the production of manganese-dependent peroxidase (MnP) by Irpex lacteus immobilized on polyurethane foam was studied. In the cultures grown in a medium containing 65 μM Mn (II), up to three various isoenzymes of MnP were resolved by isolectrofocusing, with pI values within the range of 3.50-6.04. In the cultures grown in a medium containing 2. ...
... Objective: We evaluated the effects of soy isoflavone supplementation on hemostasis in healthy postmenopausal women. Methods: In this double-blinded, placebo-controlled study, 47 postmenopausal women 47-66 y of age received 40 mg of soy isoflavone (n = 25) or 40 mg of casein placebo (n = 22) once a day for 6 mo. Levels of factors VII and X, fibrinogen, thrombin-antithrombin complex, prothrombin fr ...
... The aim of the present study was to examine the effects of ergot contaminated feed concentrate at differing levels of feed intake on ruminal fermentation, and on various physiological parameters of dairy cows. Twelve double fistulated (in the rumen and the proximal duodenum) Holstein Friesian cows were fed either a control diet (on a dry matter (DM) base: 60% maize silage, 40% concentrate) or a di ...
... Relationships between environmental variables and diversity (Shannon-Weaver index) of the fish communities in the Tagus estuary and adjacent coastal areas were analyzed. The focus was on the linearity or nonlinearity of these abiotic/biotic characteristics, with the aim to obtain an accurate short-medium term time-scale diversity prediction from habitat variables alone. Multiple Linear Regressions ...
... Two types of commercial propane-powered traps, mosquito magnet (MM) (American Biophysics Corporation) MM-Freedom (Freedom) and MM-Liberty Plus (Liberty Plus), were evaluated for the collection of Culicoides. Trap preference and seasonal characteristics for the 3 major species, Culicoides furens, Culicoides barbosai, and Culicoides mississippiensis, were recorded from July 7, 2005, to July 24, 2006 ...
occupational accidents; physicians; rural health care; nurses
Abstract:
... Context:A 3-year pilot program to expand the role of nurse practitioners (NPs) in the Washington State workers' compensation system was implemented in 2004 (SHB 1691), amid concern about disparities in access to health care for injured workers in rural areas. SHB 1691 authorized NPs to independently perform most functions of an attending physician. Purpose: The aims of this study were to (1) descr ...
Escherichia coli; Gram-negative bacteria; Vibrio alginolyticus; Western blotting; affinity chromatography; amino acids; gene overexpression; genes; humans; immune response; inclusion bodies; open reading frames; outer membrane proteins; pathogens; polyacrylamide gel electrophoresis; recombinant proteins; signal peptide; surface antigens; vaccines
Abstract:
... Vibrio alginolyticus, a Gram-negative bacterium, is one of Vibrio pathogens common to human and marine animals. Outer membrane proteins of bacteria play an important role during infection and induction of host immune response. In present research, two outer membrane protein genes (OmpK and OmpW) of V. alginolyticus were cloned and expressed. The open reading frames of OmpK and OmpW contain 846 bp ...
World Trade Organization; assets; commodity programs; farm programs; farms; foods; income; learning; prices; United States
Abstract:
... U.S. farm commodity support programs encompass nearly three quarters of a century and three quarters of a trillion taxpayer dollars. One dividend from that effort is to learn lessons. Farm commodity programs have steadfastly maintained a primary objective of supporting the incomes of a relatively few producers of a relatively few commodities. Nonetheless, farm programs have not been static but hav ...
... The aim of the study was to determine the effect of diet on the fatty acids composition of cultured northern pike (Esox lucius) fillet (mean body weight, 620 g; age, 2.5 years; commercial feed) profiles when compared with wild pike caught in Lake Dgał Wielki in northern Poland (mean body weight, 570 g; age 3.5 years). Cultured pike fillets contained several times more fat (2.40%) compared with wil ...
... The objective was to document a bedded hoop barn for feeding market beef cattle. A comparison between a bedded hoop barn (15.2 x 36.6 m) and an open-front feedlot building (11.0 x 61.0 m) was conducted in southwest Iowa. The hoop barn was oriented north-south on a ridge with no windbreak. In summer, temperature was relatively consistent between the structures and ambient conditions, although the n ...
diet; benthic organisms; niches; food availability; seasonal variation; North Sea
Abstract:
... The feeding ecology of Chlorophthalmus agassizi from the North Ionian Sea was examined in specimens caught during daylight hours on a seasonal basis from December 1996 to November 1997, at depths between 250 and 800 m (92 stations, total). Chlorophthalmus agassizi showed a mixed feeding strategy, exploiting a wide range of prey including mesopelagic, benthic and endobenthic organisms. Crustaceans ...
... The Centers for Disease Control and Prevention (CDC) light traps and Mosquito Magnet X (MMX) traps baited with dry ice, octenol, and a new formulation (granular) of carbon dioxide (CO2) were evaluated against adult mosquitoes in the field. The results showed that the MMX traps (68.6%) baited with dry ice collected more mosquitoes compared to the CDC light traps (32.4%) only. The CDC traps baited w ...
economics; fish; flood control; freshwater; habitats; humans; irrigation; physiology; recreation; researchers; rivers; society; statistical analysis; systematic review; water power
Abstract:
... Globally, rivers are increasingly being subjected to various levels of physical alteration and river regulation to provide humans with services such as hydropower, freshwater, flood control, irrigation and recreation. Although river regulation plays an important role in modern society, there are potential consequences which may negatively affect fish and fish habitat. While much effort has been ex ...
environmental factors; exports; information exchange; prices; wines
Abstract:
... Although extensive research on the importance of the determinant factors of export performance exists, only a few studies on the wine sector have been conducted. The present study examines the export performance determinants of Greek wine firms. Primary data were collected from Greek wine exporters through a mail survey. A combination of exploratory, confirmatory, and path analyses were employed. ...
... The use of green algae ulva meal (UM) (Ulva rigida) was evaluated as a replacement for soybean meal in a practical diet formulated to contain 28% crude protein, 7.50% lipid and 15 kJ gross energy g⁻¹. Soybean meal was replaced by 0%, 10%, 20% and 30% of UM (diets U₀, U₁, U₂ and U₃, respectively). The feeding experiment was carried out in an open circulation system. Each diet treatment was applied ...
... Habitat specific growth rates and condition indices were estimated for Solea solea and Solea senegalensis, in two nursery areas within the Tagus estuary, at the end of the estuarine colonization process, in 2005. While in the uppermost nursery area the two species of sole live in sympatry, in the lower nursery only S. senegalensis is present. Daily increments of left lapillar otoliths were used to ...
... In this study identification of electronic nose for wheat age was conducted. An electronic nose was employed to collect and classify aroma signals from different age of wheat. A back-propagation artificial neural network (ANN) with a tan-sigmoid transfer function in the hidden layers and a log-sigmoid transfer function in the output layer was employed and trained with extracted features from the d ...
Epinephelus coioides; Pagrus major; amino acid composition; amino acids; blood proteins; body composition; cholesterol; egg proteins; feed conversion; fish feeding; fish meal; glucose; grouper; hens; lipid content; protein concentrates; protein content; protein sources; soy protein
Abstract:
... A feeding experiment was conducted to investigate the effects of dietary amino acid (AA) profiles on growth performance and body composition of juvenile grouper Epinephelus coioides (initial mean weight: 68.1 ± 1.0 g, mean ± SD). Five diets contained 30% fishmeal, 12% soy protein concentrate and 20% crystalline amino acids (CAAs); the control diet contained 54% fishmeal and 17% soy protein concent ...
dual-energy X-ray absorptiometry; body fat distribution; clothing; obesity; nutrition assessment; body mass index; accuracy; adults; skinfold thickness
Abstract:
... Objective: We determined the effect of clothing type on the validity of air-displacement plethysmography (ADP) to estimate percentage of body fat (%BF) and ascertain if these effects differ by body mass index (BMI). Methods: The %BF by dual x-ray absorptiometry (DXA) and %BF, density, and body volume by ADP were assessed in 132 healthy adults classified by normal (N; 18.5-24.9 kg/m²), overweight ( ...
... A study was conducted to determine the distribution of deoxynivalenol (DON) and ochratoxin A (OTA) in a lot of 261 of wheat kernels. Within this study, two different sampling and sample preparation strategies were carried out. On the one hand, following the official commission regulation 401/2006/EC, an aggregate sample out of 100 incremental samples was build, homogenized and prepared for laborat ...
... Asparagus spears collected from a total of six commercial plantings in Austria during the main harvest periods in May and June of 2003 and 2004 were examined for endophytic colonization byFusarium spp., particularlyF. proliferatum. Potentially toxigenic fungi such asF. proliferatum were isolated and identified by morphological characteristics using light microscopy. Fumonisin B₁ inF. proliferatum- ...
rural health care; obesity; weight control programs; weight loss; Kansas
Abstract:
... Context:Obesity is a chronic disease of epidemic proportions in the United States. Primary care providers are critical to timely diagnosis and treatment of obesity, and need better tools to deliver effective obesity care. Purpose: To conduct a pilot randomized trial of a chronic care model (CCM) program for obesity care in rural Kansas primary care. Methods: We enrolled 107 participants to a 6-mon ...
... Keratinophilic fungi include true fungi that vigorously degrade keratin as well as a number of important human pathogenic dermatophytes. We identified 41 species and one variety belonging to 19 genera in 50 floor dust samples following culture on Sabouraud's dextrose agar medium at 28°C. Dermatophytes and closely related fungi were represented by six species--Aphanoascus fulvescens, Aphanoascus sp ...
... The flowering time is the most susceptible period for primary infection of wheat heads byFusarium spp. During this period spores can be deposited into the opened wheat florets where they may later cause infections. We quantitatively explored the relationship between variables related to the flowering process and the infection level byFusarium graminearum in single spikelets. We imitated open (chas ...
... Objective: Triacylglycerols (TGs) are being considered as an independent risk factor in atherosclerosis and metabolic syndrome, acting by dysregulation of the TG/high-density lipoprotein axis. Accumulation of lipids in subendothelial space attracts macrophages, leading to atherosclerotic plaque formation and increased plaque instability due to formation of foam cells and macrophage death. The aim ...
Gadus morhua; body size; cod (fish); energy; fish culture; juveniles; larvae; measurement; metabolism; models; photoperiod
Abstract:
... In the present study, dry mass (MD, μg) and routine respiration rate (RR) (μl O₂ ind⁻¹ h⁻¹) were measured for larval cod, Gadus morhua (L.) that were reared and tested at 5.0, 7.5, and 10.0°C. Bi-hourly measurements of RR were made on groups of larvae using a closed-circuit respirometer over a 24-h period (14L : 10D light regime) to test temperature and body size effects and whether unfed larvae e ...