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- The German Holstein cows rank among the world's best of Holstein breed. 德国的荷斯坦奶牛是世界最好的荷斯坦种群。
- Six Holstein cows were used to study the effect of premix and compound buffers on milk production and milk composition. 试验一用六头荷斯坦奶牛研究了添加预混料和复合缓冲剂对奶牛产奶量和乳脂构成的影响。
- Forty-two lactating Holstein cows were used in a randomized complete block design. 本试验选用42头荷斯坦产奶牛分为3组，每组14头。采用完全随机化区组设计进行试验。
- Genetic diversity in Xuwen and Hainan yellow cattle and Holstein cows based on protein polymorphisms was studied with starch electrophoresis in this experiment. 采用淀粉凝胶电泳技术和组织化学染色方法，研究徐闻黄牛、海南黄牛和荷斯坦牛血液蛋白的遗传多样性。
- The PCR-SSCP products of primer showed polymorphisms and could be divided into four genotypes: AA,AB,AC,CC among 70 Jersey and Holstein cows. 供试的70头娟姗牛和荷斯坦奶牛共发现4种基因型;分别为AA型、BB型、AB型和AC型;卡方检验奶牛在该位点基因频率差异极显著(P<0.;01);未达到Hardy Weinberg平衡。
- In this study, the milk components SCC,NAGase, peroxidase, catalase, lipase, and FFA were analysed and compared 434 milk samples from 30 Holstein cows. 对某牧场30头荷斯坦奶牛的434个奶样进行体细胞数、NAG酶、过氧化物酶、过氧化氢酶、脂酶、游离脂肪酸含量的测定。
- Abstract Eleven trace elements in fetal cotyledon and dam hair of female Tianzhu white yaks and Lanzhou Holstein cows were measured. 摘要 测定了天祝白托牛母牛、兰州荷斯坦母牛胎儿胎盘和被毛中的11种微量元素含量。
- The objective were to determine effects of selenized yeast on lactating Holstein cows performance and in selenium concentrations in the serum and milk. 通过日粮添加富硒酵母研究有机硒对泌乳奶牛乳硒含量和血清硒含量的影响。
- My grandfather‘s farm has become much easier to manage in recent years.His prize Holstein cows ， for example ， are now milked by automatic pumps rather than by hand. 在说明文或议论文中，事物的因果关系常被用来作为展开段落的方法。
- If you drive down Main Street, turning south towards the mountain, you enter a winding country road lined with open pastures, old New England barns, and Holstein cows. 如果你沿着小街主道开车，并向着大山的那个方向开去，你会发现一条乡间小道，小道旁边是开阔的草原，古老的新英格兰谷仓还有一些荷兰黑白花牛。
- The Contents of progesterone(P) and oestradiol(E_2) in the milk of 50 Chinese Holstein cows were measured within 23 days after delivery and 12 days during oestrus with radioactive immunity. 用放射免疫法测定了50头荷斯坦牛产后23d内及发情前后12d内乳中的孕酮(P)和雌二醇(E2)的含量。
- In this study, 30 Australian Holstein cows and 30 Chinese cows were sampled to measure about the body measurement traits, body weight and production trait under TMR breeding condition. 摘要选择年龄、胎次、泌乳期相近的澳牛与我国本地奶牛各30头，采用单因素对比试验方法，测定澳牛与本地奶牛在全混日粮(TMR)饲养条件下体尺、体重及生产性能的差异。
- Comparative analysis showed that the homologies of the nucleotide sequence and amonia acid sequence of DRB3 gene between Beijing Holstein cow and Mongolian, Human, Swedish Red and White breed, Mongolian Sheep and Spanish goat are high. 北京荷斯坦牛DRB3基因核昔酸序列以及氨基酸序列与蒙古牛、人类HLA·DRB3、瑞典红白花牛、蒙古绵羊、西班牙山羊之间的DRB3基因核昔酸序列同源性以及氨基酸序列同源性均比较高。
- The ministry said on Monday that the 23-month-old Holstein cow in Ibaraki prefecture, north of Tokyo, had an "unusual" form of the brain-wasting ailment, formally known as bovine spongiform encephalopathy (BSE). 政府部门说，这头牛为荷兰种奶牛，年龄为1岁11个月，在东京北部的茨城县被发现患有一种不同寻常的脑虚损病，即通常所称的牛海绵体病(疯牛病)。
- AUSTRALIAN SWEET SVEAR CANE SERVES CHINA'S HOLSTEIN COWS 澳大利亚甘蔗饲料为中国荷斯坦奶牛服务
- Respiratory heat loss of Holstein cows in a tropical environment 在热带环境里荷兰牛的呼吸热损失
- Seasonal Variation of Blood Antioxidant Enzymes in Holstein Cows 奶牛血液抗氧化酶活性的季节变化
- The cows were feeding on hay in the barn. 母牛正在牲口棚里吃乾草呢。
- His bull will come to serve our cows tomorrow. 明天我们用他的公牛与我们的母牛配种。
- Cows and sheep depends forage to feed. 牛和羊依靠草料喂养。
