搜索结果: 1-15 共查到“畜牧学 season”相关记录43条 . 查询时间(0.164 秒)
Transport losses in finisher pigs: impact of transport distance and season of the year
Mortality Swine Transportation Ambient Temperature Welfare
2017/3/8
The death of animals during transport for slaughter is a major factor indicating the level of welfare in transported animals. The aim of this study was to assess mortality related to the commercial tr...
Proximate composition,fatty acid profile,and heme iron and cholesterol content of rabbit meat as affected by sire breed, season,parity order,and gender in an organic production system
Oryctolagus cuniculus sire breed rearing system slaughter season meat fatty acid profile meat cholesterol content
2016/11/11
The study evaluated the effects of sire breed (SB: Vienna Blue (VB) and Burgundy Fawn (BF)), parity order (P: 1 = nulliparous, 2 = primiparous, ≥3 = multiparous), slaughter season (SS: spring, summer)...
Effect of Supplemental Corn Dried Distillers Grains with Solubles Fed to Beef Steers Grazing Native Rangeland during the Forage Dormant Season
Growing Performance Blood Metabolites Digestion Characteristics Ruminal Fermentation
2016/5/20
Two experiments were conducted to evaluate the effects of the level of corn dry distillers grains with solubles (CDDGS) supplementation on growing performance, blood metabolites, digestion characteris...
The Effects of Pre-slaughter Stress and Season on the Activity of Plasma Creatine Kinase and Mutton Quality from Different Sheep Breeds Slaughtered at a Smallholder Abattoir
Abattoir Enzymes Color Meat pH Temperature Tenderness
2016/5/16
The objective of the current study was to determine the effect of pre-slaughter stress, season and breed on the activity of plasma creatine kinase (CK) and the quality of mutton. One hundred and seven...
Effects of Supplements with Different Protein Contents on Nutritional Performance of Grazing Cattle During the Rainy Season
Digestibility Energy Metabolism Nitrogen Supplementation Tropical Forages
2016/12/28
The objective of this study was to evaluate the effects of supplements with different crude protein (CP) contents on grazing cattle intake, digestibility, ruminal fermentation pattern, and nitrogen (N...
In grasslands,longer spring growing season offsets higher summer temperatures
grasslands spring growing season higher summer temperatures
2016/3/2
Grasslands across North America will face higher summer temperatures and widespread drought by the end of the century, according to a new study.But those negative effects in vegetation growth will be ...
Nutritional Performance of Cattle Grazing during Rainy Season with Nitrogen and Starch Supplementation
Beef Cattle Digestibility Intake Metabolism Nellore Steers Nitrogen Retention
2016/11/10
The objective of this work was to evaluate the effects of supplementation with nitrogen and starch on the nutritional performance of grazing cattle during the rainy season. Five rumen cannulated Nello...
Melatonin receptor (MTNR1A and MTNR2B) expression during the breeding season in the yak (Bos grunniens)
domestic yak immunofluorescence MLTR
2015/7/3
Melatonin plays key roles in a wide range of mammalian body functions, which are mediated by the melatonin-specific cell surface receptor (MTNR1A and MTNR1B). To better understand the role of MTNR in ...
Composition of major proteins in cow milk differing in mean protein concentration during the first 155 days of lactation and the influence of season as well as short-term restricted feeding in early and mid-lactation
dairy cattle casein feed restriction
2015/7/3
A variety of proteins contributes greatly to the unique nutritional and functional quality of dairy cow milk. Particularly, milk casein content and composition have substantial influence on the proces...
Effects of Aroclor 1254 on LH and 17,20β-P secretion in female Prussian carp (Carassius gibelio Bloch) in the spawning season
PCBs cyprinids gonadotropins LH, steroids reproduction
2015/6/24
The effects of Aroclor 1254 on the secretion of luteinizing hormone (LH) and 17,20β-dihydroxy-4-pregnen-3-one (17,20β-P) in female Prussian carp (Carassius gibelio Bloch) at the time of their natural ...
The effect of season and parity order on fertility of rabbit does and kit growth
rabbit doe season parity order fertility rabbit growth
2015/6/8
The effect of season and parity order on doe fertility and rabbit growth was evaluated. Two hundred and fifty Hyplus® does were divided into five groups according to kindling, each in a given sea...
Effect of the age and season of fattening period on carbon dioxide emissions from broiler housing
carbon dioxide broiler chickens heating natural gas ventilation rate
2015/6/8
The quantification of emissions of greenhouse gases from human activities is of prime importance for determining the importance of their effect on the environment. The aim of this study was to test a ...
Meat quality defined based on pH and colour depending on cattle category and slaughter season. colour and pH as determinants of meat quality dependent on cattle category and slaughter season
cattle longissimus thoracis muscle slaughter season meat pH and colour
2015/6/8
The studies were carried out on 614 animals slaughtered in winter and summer seasons. After slaughter and post-slaughter processing the carcasses were evaluated according to EUROP system. The meat pH ...
The effects of season and rearing systems on meat quality traits
broilers season rearing system meat quality
2015/6/2
With the aim to examine the effect of season and rearing system on major broiler meat quality traits appropriate experimental investigations were conducted. Trial material included a total of 800 one-...
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...