颈部皮肤的犊牛皮革和山羊内政。
繁殖牛场每年生产和售出大批犊牛。
The breeding herds annually produce and sell a crop of calves.
喂养犊牛，促进成长及饲料效率。
的粗蛋白和矿物质含量也不适合犊牛。
They may also contain inappropriate amount of protein and minerals.
对31头新生荷斯坦犊牛胃进行了观测。
Stomachs morphology of 31 heads of Holstein newborn calves were observed.
所有的犊牛料都必须满足犊牛的营养需要。
All starters must meet the nutrient requirements of the calf.
犊牛表现明显拉稀症状。
犊牛表现为典型的急性病毒性腹泻症状和病变。
The results indicated that typical symptoms were seen and serial pathological lesions same as acute bovine viral diarrhea appeared in calf.
对新生荷斯坦犊牛心脏右心室结构进行了观测。
The structure of ventriculus dexter was observed in Holstan newborn calf.
犊牛表现为典型的急性病毒性腹泻症状和病变。
The symptom and pathologic changes were the same as acute bovine viral diarrhea.
泌乳期饲料中的粗蛋白和矿物质含量也不适合犊牛。
They may also contain inappropriate amount of protein and minerals.
犊牛细菌性腹泻在犊牛疾病中占据首位，给养牛业带来很大危害。
Calf bacterial diarrhea takes the first position among the diseases of calf, and it brings great harm to the cattle husbandry.
犊牛腹泻是由致病性大肠杆菌感染犊牛引起的一种常见临床疾病。
The calf diarrhea is a normal clinical disease mainly caused by pathogenic E. coli.
采用非配对试验设计，对荷斯坦犊牛进行了新型饲养模式的研究。
The research on the new type of feeding pattern of Holstein calves by means of unequal paired feeding trial was studied.
整个实验表明通过注射GRF基因质粒可以提高犊牛的生产性能。
The whole trials results showed injection of GRF gene plasmid could improve growth performance of calves.
观测甘露寡糖不同添加水平对犊牛粪便菌群变化和健康状况的影响。
The experiment was conducted to investigate the effect of supplementation with BIO-MOS on the faecal bacterium populations and health of calves.
试验证明，甘露寡糖促进犊牛生长，提高经济效益，增强犊牛抗病能力。
The experiment proved that MOS could facilitate the growing of calves, increase the economic benefit and enhance their disease-resistant capability.
采用临床对比观察的方法，试验安泰粉针剂对83头犊牛腹泻的治疗效果。
The clinical efficacy of apramycin sulfate and tylosin tartrate injection on diarrhea in calves was (observed) in 83 calves.
结果表明：试验组和对照组犊牛干物质采食量差异不显著（P>0.05）；
The results showed that there was no significant difference on dry matter intake between control group and trial group(P>0.05).
上周五，中国宣布将开始从加拿大进口30月龄以下犊牛肉和工业用牛油脂。
In response to the announcement Friday that China would begin to accept Canadian beef from cattle younger than 30 months of age and beef tallow for industrial use, U.
许多生产商品犊牛料的公司已经采取了特殊的加工工艺，以提高饲料的适口性。
Many commercial feed companies have developed unique manufacturing technologies designed to improve starter palatability .
研究添加的纳豆芽孢杆菌对断奶前犊牛生长状况、生产性能、断奶日龄等的影响。
The effects of bacillus subtilis natto on the growth, performance and weaning age of sucking calves were investigated.
本文就代乳料中用植物性蛋白源替代乳蛋白源在犊牛培育中的应用效果作一综述。
The article described the application result of Plant protein replacing milk protein in calves breeding.
本试验旨在研究赖氨酸、蛋氨酸和苏氨酸对犊牛生长性能和血清生化指标的影响。
This study was conducted to investigate the effects of lysine (Lys), methionine (Met) and threonine (Thr) supplementation on growth performance and serum biochemical parameters of calves.
结果表明，用含有2%犊牛血清、0.2%葡萄糖的改良马丁肉汤培养基较为合适；
The results showed that GMTB containing 2% serum and 0.2% glucose was the most optimum medium.
该病对牛的危害尤为严重，主要造成孕畜流产、死胎以及新生犊牛的运动神经系统疾病。
It is primarily causative agent of abortion, stillbirth and the motor nervous system disease of nascent calf in cattle.
结果表明，益生素有助于初生犊牛小肠绒毛的发育，可以维持其正常形态、结构和功。
The results of experiment groups and control showed that the probiotics had effects on maintaining and strengthening the shape structure and function of small intestinal villi.
结果表明，试验组犊牛血清中的抗体浓度均比对照组高7.5—8个滴度，呈现免疫有效。
The result shows that concentration of antibody in blood serum of calves was 7.5-8 more than that of calves in the control group, presenting effective immunity.
具体分以下两个部分：试验一开食料中粗蛋白质水平对犊牛生长、消化及瘤胃发育的影响。
Experiment 1 was designed to study the effect of protein levels in starter feeds on growth performance, digestive physiology and rumen development in weaned calves.
新生犊牛通过初乳获得被动免疫，但是关于热应激对新生犊牛被动免疫的影响程度尚不清楚。
The passive immunization of newboth calves was obtained by colostrums, but the influencing degree of the effect the heat stress on passive immunization of newboth calves is dimness.
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