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Effects of Trace Mineral Source and Growth Implants on Trace Mineral Status of Growing and Finishing Feedlot Steers
Steers Trace Minerals Mineral Status Growth Implants
2016/5/5
Three hundred and seventy-three steers (approximately 7 mo of age and 24719.4 kg) were utilized to determine the effects of trace mineral (TM) source and growth implants on trace mineral statu...
Energy Expenditure in Crossbred Cattle Fed Paddy Straw of Different Form
Paddy Straw Chopping Intake Energy Expenditure Cattle
2016/4/22
Studies were carried out at the National Institute of Animal Nutrition and Physiology, India to determine the effect of feeding chopped paddy straw (Oryza sativa) on the energy expenditure in crossbre...
Composition of cultivable enteric bacteria from the intestine of Antarctic fish (family Nototheniidae)
trace elements zeolite parturition dairy cattle
2016/3/24
Selenium (Se), copper (Cu), and zinc (Zn) play important antioxidant role during the transition period of dairy cattle. However, there is limited information about their blood fluctuations during the ...
旨在揭示牦牛在不同程度低氧下颈动脉体的结构特征。本研究采用组织学、免疫组织化学方法和透射电子显微镜技术,对青海省不同海拔的成年健康牦牛颈动脉体的形态结构进行观察,并运用显微体视学方法比较Ⅰ型细胞(明细胞、暗细胞)、Ⅱ型细胞和血管的体密度(Vv)、面密度(Sv)、面数密度(NA)、比表面(δ)。结果表明,牦牛颈动脉体中明细胞数量多、暗细胞较少,胞质含大量线粒体和特有的电子致密核心囊泡,随着海拔升高,...
本试验旨在研究奶牛舍环境参数的季节性变化及参数间的相关性。选择河北省寒区4种建筑形式的奶牛舍,对温湿度、粉尘浓度和气载细菌总数分别采用连续记录法、定点定时测定法以及培养计数法进行4个季节的检测与分析。结果表明,4个季节牛舍温度均表现出中午高、早晚低的规律性变化,而相对湿度则表现为相反的规律,夏季所有牛舍温湿指数均超过72,寒区奶牛舍的夏季防暑需重视。牛舍内粉尘PM10 和PM2.5浓度分别达28....
The Nutritive Values in Different Varieties of Corn Planted in One Location Fed to Growing Pigs over Three Consecutive Years
Corn Digestible Energy Variety Pigs Planting Year
2016/12/28
This experiment was conducted to determine the effect of variety and planting year on the nutritive values of corn fed to growing pigs. Four corn varieties examined in this experiment were planted in ...
Dietary Niacin Supplementation Suppressed Hepatic Lipid Accumulation in Rabbits
Niacin Liver Lipid Metabolism Rabbits
2016/12/28
An experiment was conducted to investigate the effect of niacin supplementation on hepatic lipid metabolism in rabbits. Rex Rabbits (90 d, n = 32) were allocated to two equal treatment groups: Fed bas...
转基因抗草甘膦除草剂大豆GTS 40-3-2作为目前在最多国家和地区批准种植的转基因大豆,除榨取大豆油外,剩余的豆粕等副产品被用作动物饲料。通过对山西省太谷周边11个动物养殖户的饲料进行转基因标识情况专项调查,采用定性和定量PCR技术对转基因抗草甘膦除草剂大豆GTS 40-3-2含有的CaMV35-S启动子、NOS终止子、Cp4-EPSPS及大豆内标Lectin基因进行检测。结果表明:11份...
本试验旨在通过概略养分或可消化养分建立肉用绵羊配合饲料代谢能预测模型。选取66只18月龄体重为(49.6±1.3) kg的杜泊×小尾寒羊F1代杂交去势肉羊,采用完全随机试验设计。共11个处理,包括1个基础饲粮组和10个试验饲粮组。分别测定10种试验饲粮的概略养分和可消化养分;代谢试验测定10种试验饲粮的消化能(DE)和代谢能(ME);线性回归方法建立代谢能与概略养分和可消化养分的预测模型。结果表明...
Performance of Broiler Chickens Fed Low Protein, Limiting Amino Acid Supplemented Diets Formulated Either on Total or Standardized Ileal Digestible Amino Acid Basis
Broiler Chicken De-oiled Rice Bran Growth Performance Limiting Amino Acids
2016/11/10
The aim of present experiment was to investigate the effect of protein reduction in commercial broiler chicken rations with incorporation of de-oiled rice bran (DORB) and supplementation of limiting a...
Maternal immunity induced by inactivated S. Typhimurium vaccine is less protective to S. Derby challenge than to S. Typhimurium challenge in suckling piglets
vaccination crossprotectivity antibody
2016/1/29
Salmonella enterica serovar Typhimurium and Salmonella enterica serovar Derby are the most common serovars of Salmonella enterica ssp. enterica found in pigs in Europe. We previously observed that suc...