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... Stimulating plant defenses or resistant plant varieties is promising as an alternative method for limiting pesticide use in agriculture. To assess the defense status of the grapevine we have developed a triple approach called “BioMolChem”. The biological tests measure the efficacy of grapevine defenses against two major biotrophic pathogens (Erysiphe necator, Plasmopara viticola). Molecular assays ...
... Despite the central role that female mate choice plays in the production of biological diversity, controversy remains concerning its evolution and maintenance. This is particularly true in systems where females are choosy but do not receive obvious direct benefits such as nuptial gifts that increase a female's survival and fecundity. In the absence of such direct benefits, indirect benefits (i.e., ...
air conditioning; aquifers; energy; energy costs; fuels; greenhouse gas emissions; greenhouses; growers; humidity; labor; prices; solar energy; viability
Abstract:
... In the current context of predicted shortage of fossil energies, fuel prices are rising drastically. Energy costs are the second largest item in the budget (from 25 to 40% of total costs) for French heated greenhouse growers, after labour. Their economic viability is threatened. Moreover, the increasing awareness of environmental preoccupations (greenhouse gas emissions for example) has to be cons ...
Drosophila; bacteria; biodiversity; drought; extinction; fungi; global warming; heat; mammals; microclimate; models; photosynthesis; prediction; shrublands; solar radiation; sympatric speciation; viruses; Israel
Abstract:
... Climatic change and stress is a major driving force of evolution. The effects of climate change on living organisms have been shown primarily on regional and global scales. Here I propose the "Evolution Canyon" (EC) microscale model as a potential life monitor of global warming in Israel and the rest of the world. The EC model reveals evolution in action at a microscale involving biodiversity dive ...
... Native American groups sustained appalling population losses when smallpox swept the northern Great Plains from 1780 to 1782. Although the epidemic struck the semisedentary villagers of the upper Missouri the hardest, it also ravaged migratory bison-hunting societies that were theoretically less prone to sustaining such heavy losses to Old World infectious diseases. This study asks why smallpox sp ...
algorithms; environmental factors; ethylene production; fruit quality; fruits; ideotypes; models; mutation; sugars; system optimization
Abstract:
... Fruit quality is a multi-criteria concept that is difficult to consider in modelling. It is clear that all the processes involved in the quality of fruits cannot be integrated in biological models. But some degree of complexity is needed to consider quality and the effect of environment. We are just beginning to investigate this complexity. The complexity comes from both regulations and interactio ...
... The enterococcal plasmid pKQ10 has been reported to carry a poorly characterized tetracycline resistance determinant designated tet(U). However, in a series of studies intended to further characterize this determinant, we have been unable to substantiate the claim that tet(U) confers resistance to tetracyclines. In line with these results, bioinformatic analysis provides compelling evidence that " ...
... γδ-T-Cell Receptor (TCR) lymphocytes were detected in mammary gland lavages collected from 10 clinically healthy virgin heifers before and after intramammary stimulation with synthetic muramyl dipeptide analogue. Using two-colour flow cytometry, CD2+ and CD2– subsets of γδ-TCR lymphocytes were analyzed. CD2+ γδ-TCR lymphocy ...
... The aim of this study was to compare the concentrations of five macro- and fifteen microelements in the whole grain of spring lines of emmer, einkorn, spelt and two common wheat cultivars, all grown under identical environmental conditions. All elements were determined by ICP-SFMS analysis. The studied Triticum species differed significantly with respect to the concentrations of P, Mg, Zn, Fe, Mn, ...
European Union; exports; markets; Bulgaria; Czech Republic; Poland; Romania
Abstract:
... This paper explores the agri-food export dynamics in the New Member States and the Old Member States of the European Union during the enlargement process. The analysis relies on two different approaches based on the similarity and the sophistication indices of exported goods using a disaggregation at 95 items. The analysis shows that different and somehow divergent paths are in place. On th ...
... Agriculture in the Czech Republic plays an important role in the degradation of individual components of the environment. Reduction of soil fertility, contamination of surface- and groundwater, reduction of biodiversity and damage caused by it are proven. The agrarian landscape does not provide the appropriate ecosystem functions. It is not attractive for life of the inhabitants of rural areas, an ...
... Selenium (Se) contamination due to industrial activities has received increasing concerns. Phytoremediation has been suggested to be an efficient and feasible way to remove Se from Se-contaminated environment. Recently, an arsenic (As) hyperaccumulator Pteris vittata L. (Chinese Brake fern) was found to be a Se accumulator. This study was carried out to investigate Se accumulation mechanisms conce ...
Zea mays; chlorophyll; corn; environment; fluorescence; gas exchange; photochemistry; photosystem II; pot culture; sand; soil; stomatal conductance; toxicity; vesicular arbuscular mycorrhizae; water content; water stress; water use efficiency
Abstract:
... The influences of arbuscular mycorrhizal (AM) fungus on growth, gas exchange, chlorophyll concentration, chlorophyll fluorescence and water status of maize (Zea mays L.) plants were studied in pot culture under well-watered and drought stress conditions. The maize plants were grown in a sand and black soil mixture for 4 weeks, and then exposed to drought stress for 4 weeks. Drought stress signific ...
... Communities of arbuscular mycorrhizal fungi (AMF) were studied in sod culture (SC), straw mulching (NM), and herbicide treated and no-tillage (NH) citrus orchards, respectively. The highest total colonization rate (39.47%) and hyphal length density (1.15 m/g soil) were found in SC, the highest spore numbers (1024 spores/100 g soil) in NM, while the lowest ones (31.50%, 0.94 m/g soil and 719 spores ...
... The present work studied the effects of water deficiency conditions on the biological nitrogen fixation of three native rhizobia (SafPt12, SafPt6, and AjuPt16) isolated from Biserrula pelecinus L., and a reference strain Mesorhizobium ciceri biovar biserrulae. In terms of plant-water status, B. pelecinus showed typical signs of drought avoidance strategies such as reducing the aboveground developm ...
... Gaeumannomyces graminis var. tritici causes take-all disease, the most important root disease of cereal plants. Cereal plants are able to form a symbiotic association with soil-borne arbuscular mycorrhizal fungi which can provide bioprotection against soil-borne fungal pathogens. However, the bioprotective effect of arbuscular mycorrhizal fungi against soil-borne fungal pathogens might vary. In th ...
... To investigate the effects of Ca2+ on cation accumulation and K+/Na+ selectivity, in this study, two-week-old rice (Oryza sativa L.) plants were exposed to 25 or 125 mmol/L NaCl with or without 10 mmol/L CaCl2. At low salinity (25 mmol/L NaCl), Ca2+ significantly decreased Na+ accumulation in roots, increased K+ accumulat ...
... Recent concerns over the environmental impact of peat harvesting have led to restrictions on the production of peat based potting substrates. Therefore the objective of our study was to evaluate the use of compost and biogas residues without and each with 20% additives (Perlite, Styromull, Hygromull, Lecaton, Peat, Cocofiber) as a substitute for peat. Ryegrass (Lolium perenne L.), chosen as an exp ...
consumer protection; food safety; issues and policy; models; risk; risk assessment; risk management; surveys; China; Korean Peninsula
Abstract:
... Risks, including food risks, are found to be different between the perceptions of ‘experts’ and consumers, thus understanding the potential difference in the perceptions of the effective food risk management (FRM) between consumers and experts is important in developing effective FRM strategies. This information enables policy makers to integrate societal concerns and values into risk ...
... The paper analyzes the development of the value, commodity and territorial structure and competitiveness of agricultural trade of the countries of the Visegrad Group in 1993–2008. Over the years, there has been a sharp increase not only to the volume, but also to the value of the traded agricultural products. The territorial structure of both exports and imports has narrowed to a decisive ex ...
European Union; agricultural productivity; business management; Slovakia
Abstract:
... The paper deals with the place of Slovak agriculture in the European Union and with the implementation of the strategy of the competitiveness growth of Slovak agrarian producers. The paper compares the disparities in the utilisation of production factors with the selected EU countries, identifies the causes of unfavourable position of Slovakia’s agriculture and also describes some impac ...
... The article determines the transfer rate of tax burden to the buyers of agricultural products and food consumer in the most recent major change in the reduced rates of value added tax in the Czech Republic in late 2007 and 2008. At the same time, it identifies the size of the portion of the increased tax burden which agricultural producers and sellers of food carry, after the increase in the reduc ...
... Aboveground plant diversity is known to influence belowground diversity and ecosystem processes. However, there is little knowledge of soil microbial succession in legume-grass mixtures. Therefore, this study was designed to determine the effect of oat and common vetch binary mixtures at three seeding rates on soil bacterial communities. Denaturing gradient gel electrophoresis (DGGE) of 16S rDNA f ...
... Effects of oxytetracycline (OTC) on the functional diversity of soil microbial community with or without vegetation were analyzed in a 7-week greenhouse pot experiment by use of Biolog-Eco plate. Results showed that along with the increase of OTC, average well color development (AWCD) values increased with the peak at 200 ppm OTC, and the utilization of sugar and its derivatives enhanced. The Shan ...
environment; leaves; nitrogen metabolism; rice; salt stress; soil
Abstract:
... The aim of this study was to test the effects of salt stress on nitrogen metabolism and ion balance in rice plants. The contents of inorganic ions, total amino acids, and NO3– in the stressed seedlings were then measured. The expressions of some critical genes involved in nitrogen metabolism were also assayed to test their roles in the regulation of nitrogen metabo ...
Zea mays; corn; environment; evapotranspiration; grain yield; rainfed farming; soil water content; straw; summer; water use efficiency; China
Abstract:
... To develop rainfed agriculture in northern China, we conducted field experiments with three straw mulching rates (0, 6, and 12 t/ha) on two plant types (a compact type, Chaoshi1, and a flat type, Danyu86) during the summer maize-growing season in 2009 and 2010 to study soil moisture content, evapotranspiration, grain yield, and water-use efficiency (WUE). The results indicated that straw mulching ...
... The paper analyses the influence of four main weather parameters on alpha-acid contents for the main hop variety Aurora (Super Styrian Aurora) in Slovenian production for the time period 1994–2009. Through inspection of correlation coefficients, it tries to find specific times of the year when the weather conditions affect the alpha-acid content with a view to prediction in Slovenia. The mos ...
... Sodium nitroprusside (SNP), a nitric oxide (NO) donor, was added into controlled release fertilizer (CRF) or sprayed on leaves to supply NO on iron deficiency stress in peanut (Arachis hypogaea Linn) plants growing on calcareous soils. Iron deficiency reduced plant growth and chlorophyll content. NO improved plant growth and alleviated leaf interveinal chlorosis, and increased the activity of root ...
... Fruit quality attributes were studied for two consecutive years in seven blackberry cultivars grown in a Serbian climate and on acidic soil. Physical parameters [berry weight (BW), size and shape] and chemical parameters [soluble solids content (SSC), acidity, total phenolic (TPH) and flavonoid content (TFC) and total antioxidant capacity (TAC)] were evaluated. A high variability was found in the ...
economic development; globalization; international trade; people
Abstract:
... The notion of international relationships is supplemented by other phenomena during the last time. One of them is globalisation, called on by technological, social and cultural changes, which have shortened the economic distance among countries. The improvement of transport and communication technologies has decreased transport costs of goods, people and information. Traditional governmental polic ...
... In the present study the impact of beauvericin (BEA) on the cell membrane properties and respiration of young initial leaves of maize were studied using two maize cultivars differing in their susceptibility to Fusarium sp. BEA significantly depolarized EM of leaf parenchymal cells and this depolarization showed time and dose dependency regardless on the sensitivity of maize cultivars to ...
governance; issues and policy; supply chain; supply chain management; Italy
Abstract:
... The paper considers the problem of the organizational adaptation of the supply chain in the face of the emerging inducement to integration. We focus on the policy intervention aimed at achieving a closer coordination among the chain agents and consider the relation between the policy and the spontaneous processes undertaken by the agents. A framework based on four dimensions (state of alignment, e ...
... This study aims to reveal and to compare effect of two various systems of nitrogen nutrition, namely injection and sidedress application, on the levels of NO3– and phytohormones (cytokinins, abscisic acid (ABA), indole-3-acetic acid (IAA)) in Festulolium plants. Calcium nitrate (CN) or ammonium sulphate (AS) were used as N source in the pot experiment. The yield of Festulolium above a ...
... In the current entrepreneurial environment characterised by the dynamic development and changes, organizations have to promote the development of their employees in order to achieve a competitive advantage. Therefore, the personality of a manager who is a holder of specific knowledge, abilities, skills, traits, motives, attitudes and values becomes increasingly important as it is the main source f ...
... European farmers face an increasing income uncertainty. The debate is growing on the role of the insurance schemes and on the support provided by the CAP in this field. Therefore, there is a need for the empirical analysis and the tools aimed at providing empirical evidences on this subject. This paper develops an innovative Positive Mathematical Programming model that takes into explicit consider ...
... Non-invasive determination of deoxynivalenol (DON) still presents a challenging problem. Therefore, the present study was aimed at a rapid determination of DON in whole wheat grain by means of FT-NIR spectroscopy, with a wide range of concentrations for potential applications in breeding programs and common systems of quality management using partial least square calibration (PLS) and discriminant ...
... A factorial nitrogen (N) × phosphorus (P) addition experiment was conducted to evaluate responses of leaf nutrient resorption to increased soil N and P availability in a semiarid grassland in Keerqin Sandy Lands, China. Four plant species were selected, among which Artemisia scoparia and Chenopodium acuminatum were dominant species in the control and P-added plots, and Cannabis sativa and Ph ...
agricultural industry; arable soils; land use; models; Saudi Arabia
Abstract:
... A mathematical sector model has been formulated to optimize the cropping pattern in Saudi Arabia aiming at maximizing the net annual return of the agricultural sector in Saudi Arabia and ensuring the efficient allocation of the scarce water resources and arable land among the competing crops. The results showed the potential for Saudi Arabia to optimize its cropping pattern and to generate an esti ...
... The effect of inoculation with Pseudomonas fluorescens and Bacillus subtilis on the yield of fresh and dry mass of English ryegrass (Lolium perenne L.) as well as on the number of rhizospheric microorganisms was studied. The microorganisms were introduced into the soil before sowing. The control plots were not inoculated. The number of microorganisms was determined after the third mowing. The yiel ...
... The main aim of the paper is to consider the question whether a higher specialization and a bigger economic size class of farms determine a higher technical efficiency at the same scale for the farms from the new and old countries of the EU. This study is based on the data contained in the Farm Accounting Data Network and covers the first four years following the extension of the European Union in ...
... The fuzzy approach to the project network analysis of the project planning and control is commonly oriented on the fuzzy critical path setting and the project duration monitoring. In the article, this approach is improved by the addition of the project costs perspective to the standard time aspect. The relations for the fuzzy quantity of the total project costs and for its membership function are ...
... Rhizosphere microbial communities play a major role in multiple soil functions. The aim of this study is to assess the relation of bacteria and organic acids in rhizosphere soil and community function induced by soybean genotypes, BX10 [aluminum (Al)-tolerant soybean] and BD2 (Al-sensitive soybean). Organic acid analysis in the rhizosphere soil indicates that BX10 increased the concentration of ci ...
ammonification; autumn; base saturation; environment; forests; grasslands; landscapes; national parks; pH; spring; winter; Czech Republic
Abstract:
... Road salting is used as a dominant way to keep road safety in winter, even in the protected natural areas. In our study, possible effects of winter road salting on soil microorganisms in close road vicinity were investigated. Soil chemical and microbial properties were monitored at a forest site in the Krkonoše Mountains national park and at a grassland site in the Kokořínsko protect ...
... The effect of drought stress and abscisic acid (ABA) applied at tillering stage (55 days after sowing) was compared in 2 wheat cultivars differing in drought tolerance. The activities of superoxide dismutase (SOD) and peroxidase (POD) and contents of endogenous ABA in plants were measured at 3 days of drought stress in cv. Chakwal-97 (drought tolerant) and cv. Punjab-96 (drought susceptible). ABA ...
animal manures; composts; environment; field experimentation; mineral fertilizers; particle size; sewage sludge; soil; sulfates; sulfur; water solubility
Abstract:
... A field experiment established in 1962 was chosen to investigate the effect of long-term application of farmyard manure (FYM), compost (COM) and sewage sludge (SS), respectively, in two increments as compared to mineral fertilizer on inorganic and organic S fractions in particle-size separates (< 0.002 mm, 0.002–0.02 mm, 0.02–2 mm). Independent of the particle-size the application o ...
... The paper deals with the analysis of technical efficiency and the total factor productivity (TFP) in Czech agriculture. The aim is to identify the key factors determining the efficiency of input use and the TFP development. The Fixed Management model is used for the estimation of technical efficiency and the construction of TFP for the total agriculture and its individual branches. The results sho ...
... The risk rate of sugar beet growing was analyzed by using the algorithm for modelling and generating the random numbers based on the conditions determined in advance and the statistical distribution of sugar beets yield, the total costs, earnings and gross profit. On the bases of results of the analysis of economic risks of sugar beet production in years 1995–2009, it follows that the sugar ...
... The paper aims at improving our knowledge about the response of farmers to a major instrument of the rural development policy in Poland. Close cooperation with the managing Agency was established in order to collect and analyze the data included in the application forms. They served as a basis for calculating linear correlations and descriptive statistics, which in turn, wherever possible, were co ...
apples; bitter pit; calcium; calcium nitrate; environment; firmness; fruit quality; fruits; horticulture; leaves; liquids; rain; rootstocks; soil; vegetation; weight loss
Abstract:
... The effects of calcium fertilizers on cv. Ligol apples were studied in the experiment conducted at the Lithuanian Institute of Horticulture in 2007–2009. Fertilizers were applied four or eight times from June to September on the 8th–9th leaf of apple trees on P 22 rootstock. Calcium nitrate or liquid calcium fertilizers were used. The results differed over the yea ...
... The Norway spruce dieback which occurred in the Western Carpathians is of interest to scientists in many fields. The goal of this research was to determine its effect on spring water chemistry. Due to environmental factors such as: high precipitation – up to 1,400 mm·year–1 while the average for Poland is 600 mm·year–1; kind of bedrock (the are ...
... The potential effect of intensive traffic on detrimental element contents in soil and vegetation was investigated in the vicinity of a selected section (1 km) of a highly frequented highway as affected by the distance from the roadway (1 m, 35 m, and 70 m). Aqua regia and 0.11 mol/L acetic acid soluble contents of As, Cd, Cr, Cu, Mo, Ni, Pb, and Zn in soils and total contents of these elements in ...
Chernozems; Zea mays; corn; environment; field experimentation; nitrogen; nitrogen fertilizers; nutrient use efficiency; sewage; sewage sludge; silage
Abstract:
... A field experiment was conducted on a chernozem soil to estimate fertiliser N efficiency of silage maize (Zea mays L.) by the difference method as influenced by the type of N fertiliser (mineral-MF vs. sewage sludge-SS), and N rate. Eight N treatments were included (0, 60, 120, 180, and 240 kg N/ha prior to maize sowing, 60 kg N/ha at planting in MF; 120, and 240 kg N/ha in SS. The average dry mat ...
... The effects of irrigation regimes (full irrigation and water-withholding at anthesis) and post-anthesis nitrogen supplies (LN: 0, MN: 20 and HN: 40 kg N/ha) on grain yield and its components in winter wheat were studied, with attention to biomass gain by assimilation and its loss by respiration. Fully-irrigated wheat responded to N fertilization with increased grain number (GN) and decreased grain ...
questionnaires; rural development; rural population; social class; surveys; Czech Republic
Abstract:
... The social inclusion of different rural population groups is one of the objectives of the Rural Development Programme of the Czech Republic for the period of 2007–2013. The fourth axis of this programme is devoted to the LEADER method and, as such, it establishes and supports an inclusive and participative bottom-up approach. This article is concerned especially with a specific social group ...
... When looking for economic policy instruments in the times of economic crisis, even tax instruments are considered, particularly the changes (increases) of the value added tax rates. Most of the EU member states have two VAT rates, while foodstuffs and non-alcoholic beverages are included under a reduced rate. If increasing the reduced VAT rate, the significance of the foodstuff or non-alcoholic be ...
... The establishment of plants with high damage tolerance may provide a means for soil protection on sites exposed to strong disturbance. In a pot experiment, we investigated the tolerance to mechanical strain of ten grassland plant species representing three growth form groups (cespitose: Festuca arundinacea, Lolium perenne, Taraxacum officinale; rhizomatous: Achillea millefolium, Elymus repens, Poa ...
... A field experiment was conducted in order to estimate the influence of different arrangement patterns of maize plants (Zea mays L.) in combination with low rates of herbicides on weed infestation and on production parameters of the crop. The maize was sown at 70-, 50-, and 35-cm row space with the same crop density. The weed biomass declined with smaller row spaces and was, on average, the lowest ...
... The research was aimed to estimate above- and below-ground carbon stock in Tankawati natural hill forest of Bangladesh. A systematic sampling method was used to identify each sampling point through Global Positioning System (GPS). Loss on ignition and wet oxidation method were used to estimate biomass and soil carbon stock, respectively. Results revealed that the total carbon stock of the forest w ...
... The objective of the study was to determine the frequency of alleles which produce coat colours in Hucul horse population in Poland. The breed is included in the Global Strategy for Management of Farm Animal Genetic Resources, hence its gene pool should remain in unaltered state. Huculs are bay, black, blue dun, yellow dun, tobiano, and chestnut. Grey and chestnut Huculs have always been undesirab ...
D. Mota-Rojas; J. Martinez-Burnes; D. Villanueva-Garcia; P. Roldan-Santiago; ME Trujillo-Ortega; H. Orozco-Gregorio; H. Bonilla-Jaime; A. Lopez-Mayagoitia
... The objective of this review is to integrate clinical findings and laboratory analyses in such a way to improve the welfare of newborn piglets and achieve better prognoses of neonatal viability. Deaths during the intrapartum period account for a significant proportion of pre-weaning mortality in farms worldwide. Piglets which die during parturition generally have normal size and typically lack gro ...
abnormal development; barium sulfate; calves; case studies; colon; defecation; necropsy; radiography; rectum; small intestine
Abstract:
... A three day-old Japanese black calf was admitted with a history of abdominal distension and absence of defecation. Dilated loops of the small intestine and hypoplasia of the colon and rectum was observed upon a contrast radiographic examination in the standing position. At necropsy atresia coli with undeveloped rectum and patent anal opening was found. We conclude that a contrast radiograph in the ...
... Bacteriocin-producing lactic acid bacteria (LAB) were isolated and screened from the gastrointestinal tract (GIT) of Thai indigenous chickens. The bacteriocinogenic activities and the primary probiotic properties were determined. The bacteriocins produced by 14 strains of selected LAB displayed inhibitory activity against indicator strains after the supernatants were neutralized with NaOH in the f ...
... Leucaena leucocephala (LEU) and three under-utilized tanniferous legumes, Styzolobium aterrimum L. (STA), Styzolobium deeringianum (STD), and Mimosa caesalpiniaefolia Benth (MIC) were chemically characterized and the biological activity of tannins was evaluated using in vitro simulated ruminal fermentation through tannin-binding polyethylene glycol (PEG) and compared with a non-tanniferous tropica ...
amyloid; animal science; apolipoprotein E; blood serum; haptoglobins; immune system; immunoglobulins; lactation; liquid chromatography; prealbumin; protein content; proteomics; tandem mass spectrometry; two-dimensional gel electrophoresis
Abstract:
... The transition period is the most critical time of the cow’s lactation cycle that is associated with the onset of mastitis. In this study, changes of plasma proteins in cows (n = 12) with or without subclinical mastitis after calving were determined by two-dimensional electrophoresis (2-DE), which detected 18 spots with variations in protein spots abundance. These spots were identified by li ...
... Driven by a combination of pedagogical, ethical and economic factors, the use of simulation technology and other alternatives to traditional training methods has become increasingly common in veterinary education as a means to teach basic and advanced concepts along with technical skills. When paired with well-structured and supervised clinical training on animal patients, these modern methodologi ...
aluminum; base saturation; calcium; exchangeable calcium; exchangeable magnesium; forests; humus; magnesium; mineral soils; pH; total nitrogen; Czech Republic
Abstract:
... The article focuses on changes in soil chemistry observed on plots limed in 2000 in the western Ore Mts.(Krušné hory) on the basis of chemical analyses done before liming and repeated in 2002, 2005 and 2010. In the deeper mineral soil (down to 30 cm), only the increase in pH and exchangeable magnesium was significant. The increase in exchangeable calcium in upper soil layers was sign ...
Picea abies; crops; disasters; forests; journals; methodology; models; mountains; trees
Abstract:
... This paper presents findings of a twenty-year investigation of silviculture-production in a 40-year-old afforested spruce pole-stage stand located in a mountain region. The stand was established by four different spacing models: (i) 1.5 × 1.0 m, (ii) 2.5 × 1.0 m, (iii) 2.5 × 1.5 m, and (iv) 2.5 × 2.5 m. Three alternatives were studied for each of these spacing models. ...
White Shorthaired (goat breed); amino acid composition; ewe milk; ewes; goat milk; goats; lactation; milk; protein content; whey; whey protein
Abstract:
... This study was conducted to evaluate changes in composition of whey proteins of Czech White Short-haired goat and East Friesian ewe milk and their comparison throughout lactation. Some differences in composition between ewe and goat milk were found. The results showed that the mean total protein (%), whey protein (g/100 g), and β-lactoglobulin (β-Lg, g/100 g) contents of goat milk were 2 ...
... The process of active paternal chromatin demethylation after fertilization in the pig is not fully understood and very inconsistent data have been published by different research groups. We have applied the interspecies intracytoplasmic sperm injection (iICSI) to evaluate remodeling capabilities of porcine oocytes in more details. We injected mouse frozen-thawed sperm heads into porcine in vitro m ...
... The effect of a mixture of herbal extracts on piglet performance was estimated on 178 piglets allocated to 3 groups comprising 6 litters each. Group I (control) was fed with the standard barley-wheat-soybean mixture. Group II received the same mixture supplemented with a blend of formic and propionic acids. Group III received the basal diet supplemented with a mixture of water extracts from sage, ...
diesel fuel; energy use and consumption; rapeseed methyl ester; research; torque; tractors
Abstract:
... This paper describes the effect of a mixture of rapeseed methyl ester and diesel oil on fuel consumption and power parameters of tractor engine. The hydraulic dynamometer was used to load the engine of Zetor Forterra 8641 tractor over rear power take-off. The measured tractor is almost new with less than 100 h worked. The measurements were realized for several ratios of diesel oil and rapeseed met ...
Large White; landraces; litter size; sires; variance
Abstract:
... The proportion of variance for service sire effect was estimated for three litter size traits (numbers of piglets born, born alive, and weaned) in Czech Large White (89 231 litters) and Czech Landrace (28 320 litters) pigs. Each trait in the first parity was considered as one trait and that trait in the second and subsequent parities was treated as a repeated trait. Consequently, three two-trait a ...
... Penetration of rat organisms by risk elements (As, Cd, Pb) originated from differently contaminated soils as well as interactions between the risk elements and selected essential macro- and microelements were investigated. Rat diet contained 10% of individual soils (based on dry weight) which were: (i) Fluvisol heavily polluted by As, Cd, Zn, and Pb, (ii) Luvisol contaminated by As, Cd, and ...
... The therapeutic effect of Chitosan-oligosaccharide (COS) on calf diarrhoea was investigated in Korean native (Hanwoo) calves (n = 86). The calves were divided into two groups; the untreated/control (n = 40) having routine diet only and the treated group (n = 46) receiving COS (50 ml/day) in addition to the routine diet for five days. Blood samples from each animal were collected before and ...
... A 2 × 2 factorial design experiment examined the effect of dietary non-phytate phosphorus (NPP) (1.3 and 4.0 g/kg) and 3-phytase (F) (0 and 150 FTU/kg) on the performance indicators of hens, physical parameters of eggs, phosphorus (P) content of the eggshells, and the pH of the digestive tract of laying hens. Two hundred and forty hens (ISA Brown) were housed in enriched cages and fed a whea ...
... Relationships between sensory variables, species, feeding systems, and panelists were examined by Procrustes Analysis. Six meat groups considering species and feeding type combinations were evaluated by ten panelists for five sensory characteristics (colour, texture, odour, taste, and acceptability). These characteristics were assessed using a nine-point hedonic scale (9 = extremely enjoy, 1 = ext ...
... The developmental toxicity of two anaesthetics, 2-phenoxyethanol and clove oil, used in aquaculture was evaluated using the Frog Embryo Teratogenesis Assay: Xenopus (FETAX) and the results were compared to outcomes in fish. Xenopus laevis embryos were exposed to 50, 100, 300, 500, 700 and 1000 mg/l of 2-phenoxyethanol or 1, 5, 10, 20, 30 and 40 mg/l of clove oil. Values of 96 h LC50, 96 h EC50 (ma ...
cinnamon; excision; histology; placebos; reference standards; Sri Lanka
Abstract:
... The present study was conducted to verify the effect of Ceylon cinnamon on experimentally induced excision wounds in rats. Thirty-two rats were divided into four groups of eight rats each. Group A received a placebo containing 1.5% of cinnamon and Group B a placebo containing 3%. Group C, as the control group, didn’t receive any treatment and finally Group D received a blank placebo as ...
... The present factorial experiment tested the thawed rumen fluid from frozen rumen contents against fresh rumen fluid from the same slaughtered cattle to estimate in vitro degradation of rapeseed meal (RSM) and grass nuts (GN) as two contrasting feeds at various times. Fresh rumen fluid showed higher (P < 0.05) in vitro dry matter (DMD) and crude protein (CPD) degradation than the thawed rumen fl ...
Holstein; body condition; body conformation; genetic correlation; hock; ligaments; longevity; milk production; udders
Abstract:
... Genetic correlations between longevity and conformation traits were estimated using data on Czech Holstein cows first calved in the years 1993–2008. Longevity traits considered were length of productive life and number of lactations initiated and their functional equivalents (i.e. the longevity traits corrected for milk production). Conformation traits were twenty one linear descriptive type ...
... In the paper, selected quantitative characteristics of 57-year-old oak pole stage stand were analysed on plots with different thinning regimes at its establishment. Six thinning treatments were performed in an interval of 8, 14 and/or 5 years. We applied the method of target (crop) trees on three partial plots and method of promising trees on one plot with different intensity of releasing the tree ...
endometrium; estrus; human chorionic gonadotropin; intravenous injection; ovarian follicles; ovulation
Abstract:
... The purpose of the trial was evaluation of follicular growth and endometrial folding in mares after human chorionic gonadotropin (hCG) treatment in comparison with untreated mares during oestrus. In addition, the influence of follicle size at the time of hCG treatment on these parameters was evaluated. HCG (3000 IU) was administered intravenously in 17 mares bearing dominant follicles 35–40 ...
... The effects of sex and slaughter age on growth, feed intake, carcass composition and meat quality attributes of musculus longissimus lumborum were investigated in Charolais × Simmental bulls (n = 12) and heifers (n = 12) reared and finished under identical management conditions. The animals entered the experiment at similar age (251 days) and were slaughtered at 14 or 18 months of age. Bulls ...
... In dogs and men, hemangiopericytoma is a well-recognised neoplasm, thought to originate from vascular pericytes. In cats, however, hemangiopericytoma is an extremely rare finding. The present report describes the pathological features of a 7-cm-diameter, dense, white, multilobulated tumour-like growth on the thigh of a ten-year-old Persian cat. Histologically, the mass consisted of polygonal neopl ...
... The objective of this investigation was to study the histological and histochemical structure of the Harderian gland in native chickens. Samples were obtained from 10 male and 10 female adult healthy native chickens. Tissue sections were stained with haematoxylin eosin, Verhoeff’s, Masson’s trichrome, alcian blue (pH 2.5), periodic acid-Schiff and Gomori’s method for ...
... A trial was conducted to investigate the effects of a dietary organic acid blend for a period of 35 days on the growth performance, intestinal histomorphology and microflora of male broiler chicks with delayed access to feed. One hundred and ninety two one day old broiler chicks (ROSS 308) were randomly distributed into 4 groups housed in four replicate pens with 12 birds in each. A 2 & ...
Mucuna flagellipes; compression strength; research; water content
Abstract:
... The effects of moisture content and loading orientation on some strength properties of Mucuna flagellipes nut namely, bioyield, yield and rupture points; bioyield, compressive and rupture strengths; and moduli of elasticity, resilience, toughness and stiffness were determined at lateral and longitudinal axial loading, using a Testometric Universal Testing Machine (UTM). In the moisture range of 3. ...
... This influence of various rootstocks on the yield and grape composition of Sauvignon Blanc was examined. The yield on rootstock 41B/72 was 1 kg/vine or more higher than on rootstocks SO4 cl. 31, Riparia cl. 1 and Kober 5BB. The vines grafted on the Börner rootstock gave the highest weight of 100 berries (241 g). The highest seed weight of 100 berries (6.9 g) was found on rootstock 196/17 ...
... Lactation curves for daily milk yield, fat, and protein content in three dairy sheep breeds were estimated by the repeatability animal model using test-day records. A total of 38 983 records from 3068 ewes of Bovec, Improved Bovec, and Istrian Pramenka breeds, collected between the years 1994 and 2002, were analysed. The three-trait repeatability animal model included breed and lambing season as f ...
combine harvesters; energy; linseed; profitability; research
Abstract:
... The operating and economical parameters of agricultural products harvesting are important aspects from production costs point of view. Profitability of the crops depends on quantity and quality of end products and efficiency of growing and harvesting operations. In case of linseeds harvesting by combine harvester statistically important impact of cutting mechanisms state on energy, exploitation an ...
... Caseous lymphadenitis caused by Corynebacterium pseudotuberculosis is mainly a disease of sheep and goats and is of zoonotic importance. The disease has rarely been recorded in cattle and mostly in its superficial form. The present communication deals with an extremely rare case of corynebacterium-induced mesenteric pseudotuberculosis in a cow calf. The gross, cytologic, histopathologic and ...
Picea abies; Pinus sylvestris; biomass; case studies; conservation areas; forest dynamics; forestry development; forests; models; species diversity; Sweden
Abstract:
... This paper presents a modelling study on the forest dynamics in Helgedomen Nature Reserve (HNR) in Sweden. The main components of the forest transitions that occurred between 1930 and 2010 were described. The gradual conversion of Scots pine (Pinus sylvestris L.) dominated stands into stands with a high proportion of Norway spruce (Picea abies [L.] Karst.) was observed. Next, the capabilities of t ...
Bayesian theory; Fagus; databases; forests; prediction; probability distribution; tree and stand measurements; trees; Slovakia
Abstract:
... The purpose of this paper is to present a new growth and yield function (denoted as KM-function), which was empirically derived from the cumulative density function of the Kumaraswamy probability distribution. KM-function is theoretically well disposed for the prediction of future growth; however, the function also has other theoretical features that make it useful also for retrospective estimatio ...
forest management; forests; issues and policy; landscapes; raw materials; society; wood; Czech Republic
Abstract:
... The basic principle from which the Czech National Forestry Programme proceeds is the management of forests in a permanently sustainable manner whilst limiting the administrative interference of the state to the unavoidable minimum under the circumstances of the motivating operation of state forestry policy for the support of public interests and whilst increasing the responsibility of forest owner ...
... The study was conducted to evaluate the potential cryoprotective effect of butylated hydroxytoluene (BHT) through post-thaw evaluation of canine semen and its optimal inclusion level. Ejaculated canine semen was extended in TRIS-glucose egg yolk extender containing various concentrations of BHT (0.5, 1.0, 1.5, 2.0, and 2.5mM). Semen was frozen at −196°C using 200 × 106 s ...
... Organic nitrogen is an important but yet not very well explored component of nitrogen deposition. In this study concentrations and fluxes of organic and inorganic nitrogen in bulk precipitation in an open field (BOF) and in throughfall (THR) were evaluated at the Bílý Kříž experimental site (Moravian-Silesian Beskydy Mts., Czech Republic, 908 m a.s.l.) with a young Norway spru ...
... In recent years more attention has been paid to the issue of pain in animals, particularly in association with increasing awareness of animal welfare. It is therefore necessary for veterinarians to be able recognise unambiguously whether an animal suffers from pain. Adult humans suffering from pain can more or less characterise their painful experiences, including the site and intensity of t ...
... The causative agents of respiratory diseases of turkeys represent, primarily in fattening farms, a substantial risk of economic and breeding problems. The purpose of this communication is to provide information on the prevalence of respiratory agents of turkeys and chickens in several fattening and production farms in Southern Moravia. This study was focused on pathogens causing bacterial diseases ...
... A bacteriocin-like substance (BLS) producing Enterococcus faecium CE5-1 was isolated from the gastrointestinal tract (GIT) of Thai indigenous chickens. Investigations of its probiotic potential were carried out. The competition between the BLS probiotic strain and antibiotic-resistant enterococci was also studied. Ent. faecium CE5-1 exhibited a good tolerance to pH 3.0 after 2 h and in 7% fresh ch ...
Large White; Meishan; Sus scrofa; carcass weight; chromosomes; genetic variation; meat quality; microsatellite repeats; muscles; peroxisome proliferator-activated receptors
Abstract:
... Significant QTL for carcass and meat quality traits on Sus scrofa chromosome 7 (SSC7) were detected in various Meishan derived resource populations, especially on q1.1-q1.4 region. In order to confirm and narrow the QTL in this region, seven single-nucleotide polymorphisms (SNPs) and one insertion or deletion located in eight genes (BTNL1, SLC39A7, COL21A1, PPARD, GLP1R, MDFI, GNMT, and PLA2G7) we ...