搜索结果: 61-75 共查到“畜牧学 Growth”相关记录309条 . 查询时间(0.265 秒)
Effect of breed on growth performance and carcass composition of Aberdeen Angus, Charolais,Herefordand Simmental bulls
beef cattle bulls breeds growth carcass composition
2015/6/2
Breed effects on live weight gain, slaughter characteristics and carcass composition were compared in Aberdeen Angus, Charolais, Hereford and Simmental bulls. The experiment extended over 2 years and ...
Effect of some factors on growth of lambs from crossing between the Improved Wallachian and East Friesian
lamb growth traits Improved Wallachian East Friesian
2015/6/2
The effect of some factors (genotype, sex, litter size, age of dam at lambing, month of lambing and year of birth of lamb) on the growth of lambs – crossbreds between the Improved Wallachian (IW) and ...
The effects of prestorage incubation and length of storage of broiler breeder eggs on hatchability and subsequent growth performance of progeny
broiler prestorage performance
2015/6/2
A total of 1 200 broiler breeder eggs were collected from a commercial flock at the hen age of 37 weeks and divided into storage treatments of 5 and 15 days. Prior to storage, the eggs were further di...
Effect of feeding frequency on growth and size variation in juvenile pikeperch, Sander lucioperca (L.)
Sander lucioperca feeding schedule feed ration growth size dispersion
2015/6/2
The aim of the investigation was to determine the effect of feeding frequency (one or three rations or continuous feeding with artificial feed) on the juvenile pikeperch (Sander lucioperca) growth rat...
Influence of various lysine and threonine levels in feed mixtures for lactating sows on milk quality and piglet growth
amino acids lysine threonine crude protein lactating sow milk piglet growth
2015/6/2
The quality of produced milk and piglet growth were investigated in three groups of lactating Large White sows fed three mixtures containing different levels of lysine, threonine and crude protein. Pi...
Effects of glutamine on growth performance of weanling piglets
weaning piglets glutamine growth performance biochemical parameters
2015/6/2
An experiment was conducted to investigate the effects of glutamine on growth performance of weanling piglets. Sixty piglets weaned at 21 days of age were randomly assigned to two groups (10 piglets p...
Effects of α - naphthoflavone on body growth and gonad development in chickens (Gallus domesticus)
CYP 19 inhibitor body growth testes
2015/6/1
The aim of this study was to investigate the effects of prolonged oral administration of α -naphthoflavone on somatic and germinal development in male and female chickens (Gallus domesticus). No signi...
Effects of rearing, sire and calving season on growth and milk efficiency in dairy cows
dairy cows rearing sire
2015/6/1
32 primiparous cows were used. We tested the hypotheses that live weight and milk efficiency were influenced by the system of rearing from the second week of life to weaning, by the sire, and by the s...
Single nucleotide polymorphism (SNP) in the 5?noncoding region of the bovine growth hormone receptor gene and its association with dairy production traits in Polish Black-and-White cattle
cattle GHR gene
2015/6/1
The effects of cow抯 genotype for growth hormone receptor (GHR) were determined on milk production traits of the Polish Black-and-White (BW) cattle. It was shown that GHR genotypes significantly influe...
Branched-chain Amino Acids are Beneficial to Maintain Growth Performance and Intestinal Immune-related Function in Weaned Piglets Fed Protein Restricted Diet
Weaned Pig Growth Performance Immunity Small Intestine Morphology Immunoglobulin
2016/5/19
As a novel approach for disease control and prevention, nutritional modulation of the intestinal health has been proved. However, It is still unknown whether branched-chain amino acid (BCAA) is needed...
Effects of Forage:Concentrate Ratio on Growth Performance, Ruminal Fermentation and Blood Metabolites in Housing-feeding Yaks
Concentrate Ratio Growth Performance Ruminal Fermentation Yak
2016/5/19
The objective of this study was to determine the effect of forage: concentrate ratio (F:C) on growth performance, ruminal fermentation and blood metabolites of housing-feeding yaks. Thirty-two Maiwa m...
Effect of Medicinal Plant By-products Supplementation to Total Mixed Ration on Growth Performance, Carcass Characteristics and Economic Efficacy in the Late Fattening Period of Hanwoo Steers
Medicinal Plant Byproducts Growth Performance Carcass Characteristic Hanwoo Steer
2016/5/19
This study was conducted to evaluate the effect of medicinal plant by-products (MPB) supplementation to a total mixed ration (TMR) on growth, carcass characteristics and economic efficacy in the late ...
Growth Performance of Early Finishing Gilts as Affected by Different Net Energy Concentrations in Diets
French Net Energy System Growth Performance Net Energy Concentration in Diets
2016/5/19
The objectives of the current experiment were to study the response of the growth performance of early finishing gilts to different net energy (NE) concentrations in diets, and to compare the NE value...
Efficacy of New 6-Phytase from Buttiauxella spp. on Growth Performance and Nutrient Retention in Broiler Chickens Fed Corn Soybean Meal-based Diets
Amino Acid Broiler Growth Performance Phosphorus Phytase
2016/5/19
A total of 420 day-old male Ross chicks were weighed at d 1 of life and assigned to test diets to assess the efficacy of a new Buttiauxella spp. phytase expressed in Trichoderma reesei. Diets were: po...
Novel Nucleotide Variations, Haplotypes Structure and Associations with Growth Related Traits of Goat AT Motif-Binding Factor (ATBF1) Gene
ATBF1 Gene Single Nucleotide Polymorphisms Haplotypes Growth-related Traits Association
2016/5/19
The AT motif-binding factor (ATBF1) not only interacts with protein inhibitor of activated signal transducer and activator of transcription 3 (STAT3) (PIAS3) to suppress STAT3 signaling regulating emb...