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Clarias; body weight; carcass characteristics; catfish; corn; digestibility; experimental diets; feed conversion; fingerlings; fish feeds; hulls; mortality
Abstract:
... Clarias isheriensis Sydenham fingerlings (60·42 ± 1·13g) were fed for 180 days with pelleted diets in which maize was progressively replaced with graded levels (0, 15,30,45%) of cocoa-pod husk meal (CPHM). There was a decline in growth rate with increase in dietary CPHM level, though this was not significantly different (P < 0·05). Differences in feed conversion, nutrient digestibility and carcass ...
Angus; average daily gain; body fat; body weight; carcass characteristics; corn; corn silage; diet; feed conversion; finishing; steers; urea
Abstract:
... Two growth trials were conducted to study the performance of Angus Crossbred steers supplemented with a slow-release urea product (Optigen® 1200, O) and urea (U). The base diets were composed of corn silage alone during the growth period and corn silage plus cracked corn during the finishing period. Trial 1 consisted of 40 animals [272 +/- 4 kg body weight (BW)] individually fed the base diets and ...
... This study was conducted to determine the effects of folic acid supplementation at various levels on performance, carcass characteristics and serum concentrations of homocysteine, malondialdehyde (MDA), an indicator of lipid peroxidation, folic acid, vitamin B12, and adrenocorticotropic hormone (ACTH) in broiler Japanese quails (Coturnix coturnix japanica) reared under a low ambient temperature (6 ...
... In the present study, we tested the hypothesis that feeding sunflower oil (SFO) containing about 70% linoleic acid would increase conjugated linoleic acids (CLA) content of beef and that the increased CLA levels would improve meat shelf life. Two feeding trials were conducted to determine the effect of SFO supplementation on beef production , carcass characteristics and meat quality parameters. In ...
... Two hundred seventy-nine steers were blocked by initial BW, stratified by estimated breed, and randomly assigned to pens and treatments within weight replication. Mineral treatments administered during the receiving phase consisted of Cu, Zn, Mn, and Co administered at the following levels: 1) two times the NRC (1996) recommendation from amino acid complex Availa-4® (Zinpro, Eden Prairie, MN); 2) ...
... Effects of urea concentration for receiving and finishing cattle were examined. In exp.1, 197 newly received beef steers (188 kg) were used, and treatments included 0, 0.5, or 1.0% urea [dry matter (DM) basis] in a 70 or 75% concentrate (steamflaked corn-based) diet. A quadratic response (P < 0.05) was observed for dry matter intake (DMI) of concentrate and total DMI during days 0 to 14 with DMI l ...
... A series of experiments was conducted to evaluate nutritive value of a high-oil corn (HOC) cultivar, grown under semiarid conditions, and its impact on performance and carcass characteristics of male broilers raised to market age. Conventional corn (CC) and HOC used in this research were produced under similar semiarid conditions. By using a glucose containing reference diet in Experiment 1, the A ...
... Performances of the DS synthetic breed of sheep (50% D'man and 50% Sardi genes) were compared to those of the contemporary parental breeds using records collected between 1998 and 2000. Results from reproductive traits showed that breeds differed for weight at breeding, litter size at birth and at 90 days, and litter weight at birth (P<0.01), but were similar for fertility, litter weight at 90 day ...
... 1. Total and free gossypol contents were 6.2 and 0.8, 5.4 and 0.5, and 6.1 and 0.7 g/kg in meals processed (solvent extracted) from Bollgard (BG) II, non-BG II or commercial cottonseeds, respectively. 2. Broiler chicks were given one of 7 dietary treatments (iso-nitrogenous, 220 and 195 g crude protein/kg diet at 0 to 21 and 21 to 42 d, respectively, at a metabolisable energy concentration of 12.1 ...
... 1. The aim of the study was to examine the response of male broilers of different age categories to different dietary ideal protein (IP) concentrations and to compare the effects to IP recommendations based on single lysine (Lys) requirement studies from the literature. 2. Two experiments were carried out, in which diets containing different IP concentrations (9.0 to 14.4 g apparent faecal digesti ...
... Chickens have been sexed based on feather development at hatching for many years, but the slow-feathering gene has only recently been incorporated into a commercial line of turkeys. Female turkeys of a fast- and a slow-feathering strain were compared with regard to BW, gain, and carcass composition to 29 wk of age. A total of 432 fast-feathering (FF) and 432 slow-feathering (SF) poults were reared ...
... Two experiments were conducted to assess effects of phase-feeding (PF) on broilers from 21 to 63 d. Experiment 1 evaluated the impact of PF on growth performance, whereas experiment 2 assessed the effects of PF on CP intake and nitrogen excretion. Diets were formulated using recommendations from NRC or linear regression equations. Two PF treatments were prepared: standard (PF) and low (PF10), in w ...
... A study was conducted to evaluate the nutritive value and inclusion level of sunflower seed (SFS) in broiler diets. SFS contained 38.7% ether extract (EE), 16.9% CP, 14.9% crude fiber (CF), 3.5% ash, 0.57% lysine, and 0.46% methionine (89.2% DM basis). The AME (kcal/kg) content of SFS in roosters was 5,225 and in broilers at 4, 18, and 35 d of age was 3,493, 5,132, and 5,162, respectively. The CP, ...
Oreochromis niloticus; tilapia (common name); freshwater fish; diploidy; triploidy; feed conversion; animal growth; mortality; body weight; body composition; carcass characteristics; fish culture; freshwater aquaculture; Thailand
Abstract:
... Growth performance, survival and feed utilization of diploid (2n) and triploid (3n) sex-reversed male and female Nile tilapia were evaluated at maintenance feeding (1% body weight (BW) day(-1)), fixed feeding (3% BW day(-1)) and apparent satiation feeding levels in a freshwater recirculation system comprised of thirty-six l-m3 concrete tanks at the Asian Institute of Technology, Bangkok, Thailand. ...
... 1. The effects of chromium picolinate and biotin supplementation alone and in combination on performance, carcase characteristics, malondialdehyde (MDA), vitamin C, vitamin E, glucose and cholesterol levels were evaluated in Japanese quail exposed to high ambient temperature. 2. Two hundred and forty quails (10 d old) were assigned randomly to 4 dietary treatments at room temperature (22 degrees C ...
weight gain; animal growth; carcass characteristics; body protein; dietary protein; water quality; feed conversion; Oreochromis niloticus; tilapia (common name); dietary energy sources; freshwater fish; animal production; body size; animal development; proximate composition; mortality; fish ponds; body fat
Abstract:
... The effects of dietary protein-energy levels on the growth rate, proximate composition and production were examined in Nile tilapia, Oreochromis niloticus, at two starting weights (22.9 and 39.8 g) reared in concrete ponds for 180 days. The highest weight gain (183.1 g) was obtained with fish fed a 30% protein and 10.5 kJ g(-1) diet for the small initial size and 180.2 g for a diet containing 25% ...
Morrow, J. L.; Mitloehner, F. M.; Johnson, A. K.; Galyean, M. L.; Dailey, J. W.; Edrington, T. S.; Anderson, R. C.; Genovese, K. J.; Poole, T. L.; Duke, S. E.; Callaway, T. R.
... Heat stress and dusty conditions are common challenges for cattle during the summer, and a typical method of alleviating these problems involves sprinkling cattle and pens with water. The effect of sprinkling water on the incidence of zoonotic pathogens has not been previously studied. Four pens of heifers (n = 41) were cooled using sprinklers, and four pens (n = 43) served as controls. Heifers we ...
... 1. Pulmonary hypertension syndrome followed by ascites is a metabolic disorder in broilers that occurs more often in fast-growing birds and at cool temperatures. 2. Knowledge of the genetic relationships among ascites-related traits and performance traits like carcase traits or feed efficiency traits is required to design breeding programmes that aim to improve the degree of resistance to ascites ...
... The effects of organic nutrition on growth performance, meat and carcass traits in either a conventional or an organic housing unit from weaning till slaughtering were evaluated in terminal crossbreeds of a paternal line and a maternal 3-way crossbreed of Seghers hybrid. All pigs were reared in a conventional way from birth till weaning (4 weeks). One week after weaning they were moved to either a ...
... The experiment was carried out to evaluate the effect of common vetch seed (CVS), used at various levels (0, 15 and 25%), as a protein source in diets replacing different proportion of barley, wheat bran and soybean meal on fattening performance, carcass and meat quality characteristics of Awassi male lambs at approximately 8 months of age. The lambs were divided into three treatment groups, T1 (c ...
... The porcine corticotropin-releasing hormone(CRH) gene is a functional-positional candidate for quantitative tract loci on porcine chromosome 4 with major effects on growth and carcass composition. In addition, the central role of CRH in the neuroendocrine response to stress implicates the CRH gene as a functional candidate for meat quality. Association of a single nucleotide polymorphism (SNP) in ...
... The effects of diets with different levels of calcium soaps of tallow (CST), given as rumen-protected lipids, were examined on growth performance and carcass characteristics by Pelibuey lambs. Twenty intact male Pelibuey lambs weighing 19.0 ± 2.1 kg were allocated in individual pens for a 60-day feeding trial, and were assigned randomly into four treatment diets (five lambs per diet): diets contai ...
... Use of poultry fat in the finishing diets of steers has not been studied as a potential source of added energy. Therefore, 60 Angus crossbred steers were fed 1 of 3 dietary treatments consisting of 1) a corn-soybean meal control diet devoid of added fat; 2) the control diet formulated with 4% tallow; or 3) the control diet formulated with 4% poultry fat. Addition of fat did not (P = 0.17) affect A ...
... Five experiments were conducted to test the effects of various dietary humic substances (HS; HS1, 2, 3, and 4, each with different fulvic and humic acid contents) on pig growth, carcass characteristics, and ammonia emission from manure. In Exp. 1, 120 pigs were allotted to 3 dietary treatments without HS (control) or with HS1 at 0.5 and 1.0% (8 pens/treatment and 5 pigs/pen) and fed diets, based o ...
Sciaenidae; body composition; feed intake; feed conversion; animal growth; body weight; fish feeding; fish culture; feeds; dietary protein; digestible protein; digestible energy; carcass characteristics
Abstract:
... An 8-week experiment was conducted in net pens to assess the effects of dietary protein and energy levels on growth, feed utilization and body composition of cuneate drum. Cuneate drum (initial body weight 19 g fish-1) were fed 9 feeds formulated to contain 3 levels of digestible protein (DP 36%, 38% and 40%) and 3 levels of digestible energy (DE 14, 16 and 18 MJ kg-1). Groups of fish were fed raw ...
... Effects of feeding browses on growth and meat quality of Korean Black Goats were investigated. Twenty-eight bucks were divided in equal numbers into four treatment groups and fed fibrous diets of oak browse, pine browse, fermented pine browse or rice straw each with concentrate supplement. Metabolic profile, growth rate, feed intake, carcass yield, meat quality and serum were investigated. Average ...
... Three experiments were conducted to determine the effects of whole cottonseed or cottonseed products on performance and carcass characteristics of beef cattle. In Exp. 1, 120 beef steers (initial BW = 381 ± 31.7 kg) were fed steam-flaked corn-based finishing diets with 10% (DM basis) basal roughage, and whole cottonseed or individual cottonseed components (cottonseed hulls, meal, and oil). Over th ...
... As cattle mature, the dietary protein requirement, as a percentage of the diet, decreases. Thus, decreasing the dietary CP concentration during the latter part of the finishing period might decrease feed costs and N losses to the environment. Three hundred eighteen medium-framed crossbred steers (315 ± 5 kg) fed 90% (DM basis) concentrate, steam-flaked, corn-based diets were used to evaluate the e ...
... An experiment was conducted to determine the relationship between feeding ractopamine and different amounts of MP on growth and carcass characteristics of feedlot heifers. Seventy-two crossbred heifers (475 kg of initial BW) were fed individually a diet based on steam-flaked corn for ad libitum intake for 29 d. Heifers were implanted with 140 mg of trenbolone acetate and 14 mg of estradiol-17β 60 ...
... The effectiveness of dietary sunflower seeds (SFS) in finishing diets composed of different components for beef cattle on increasing conjugated linoleic acid (CLA) isomers in beef was evaluated in a completely randomized design experiment with non-implanted, crossbred steers. Steers were individually fed six finishing diets (n = 12 per diet), to determine the effects of SFS inclusion, at 15% of di ...
... The impact of using 2 β-adrenergic agonists in feedlot cattle fed finishing diets was evaluated using 54 steers (45 crossbred Charolais and 9 Brangus) initially weighing 424 ± 26.6 kg in a randomized complete block design with 3 treatments and 6 blocks (i.e., 18 pens with 3 steers per pen). Response variables were feedlot performance, carcass characteristics, and meat quality. Treatments were 1) c ...
pork; carcass characteristics; swine feeding; thickness; feed rations; liveweight gain; distillers grains; body fat; body weight; feed conversion; water content; amino acid composition; feed intake; backfat; swine; animal growth; iodine value; sensory properties; meat quality; pH; color
Abstract:
... A growth performance and carcass evaluation study was conducted to determine the maximal inclusion rate of corn distillers dried grain with solubles (DDGS) in grower-finisher pig diets when formulated on a total AA basis. A total of 240 (28.4 ± 0.8 kg of BW) crossbred pigs [(Yorkshire x Landrace) x Duroc] were allotted randomly within sex and weight outcome groups to 1 of 24 pens. Pens were assign ...
... An experiment was conducted to determine growth performance, carcass characteristics, and fat quality of growing-finishing pigs fed diets based on short-season corn hybrids. Twenty-four individually housed, Cotswold, growing pigs with an initial BW of 41.4 (SD = 1.4) kg were blocked by BW and sex and randomly allotted from within block to 1 of 3 diets to give 8 replicate pigs per diet. Experimenta ...
... Two experiments were conducted to determine the influence of chemical and physical corn kernel traits on digestibility and feedlot cattle performance. Seven commercially available corn hybrids representing a range in kernel traits were evaluated for a variety of chemical and physical traits that included test weight, 1,000-grain weight, kernel size, starch, CP, amylose, Stenvert Hardness tests (ke ...
... The influence of dietary levels of L-threonine (Thr) on growth and immune response was investigated in growing (0-5 weeks of age) Japanese quails (n = 288). Three dietary treatments were formulated using three levels of Thr [9.6, 10.2 and 11.2 kg-1 diet dry matter (DM)] at a fixed protein level of 233 g kg-1 and an energy level of 12.15 MJ (2900 kcal) metabolizable energy (ME) kg-1 feed dry matter ...
... 1. An experiment was conducted to study the possibility of replacing soybean meal (SBM) with sunflower seed meal (SFM) in broiler chick diets. The SBM in broiler starter (317.9 g/kg) and finisher (275.4 g/kg) diets was replaced with SFM at 33, 67 and 100% on an iso-caloric and iso-nitrogenous basis using sunflower oil to balance the energy content of the diets. The metabolisable energy levels used ...
... The effects of three dietary protein levels on growth, meat, and carcass traits were studied in organic pigs fed a three-phase diet. Assuming lysine was the first limiting amino acid, feeds were formulated to ileal digestible (ID) lysine content, with the ID lysine:crude protein ratio set at a constant of 4%. Feeds were also formulated to an isocaloric rate (net energy: 9.4 MJ/kg during the first ...
... The objectives of this study were to evaluate the accuracy of the Decision Evaluator for the Cattle Industry (DECI) and the Cornell Value Discovery System (CVDS) in predicting individual DMI and to assess the feasibility of using predicted DMI data in genetic evaluations of cattle. Observed individual animal data on the average daily DMI (OFI), ADG, and carcass measurements were obtained from post ...
... 1. Four experiments were conducted to evaluate valine (Val) requirements in Ross 508 broilers from 3 to 6 weeks of age. Common diets were fed to broilers until 3 weeks of age. 2. Growth and carcass measurements were taken in all experiments. Immune responsiveness measurements were taken in Experiments 1 and 2. 3. Birds given 7.2 g Val/kg of diet in Experiment 1 had more abdominal fat than birds gi ...
... Two 42-d floor pen studies were conducted to compare broiler (Ross x Ross 308) performance and carcass measurements when broilers were fed diets containing grain from either second-generation lepidopteran insect-protected corn (MON 89034; study 1) or second-generation lepidopteran combined with second-generation corn rootworm-protected and glyphosate-tolerant corn (MON 89034 x MON 88017; study 2) ...
... A 42-d floor pen study was conducted to compare broiler (Ross x Ross 308) performance and carcass measurements when fed diets containing lepidopteran-protected corn combined with glyphosate-tolerant corn (MON 89034 x NK603) with those of broilers fed diets containing corn grain from the conventional control (similar genetic background to the test corn) and 6 conventional corn hybrids. It has been ...