2) Holstein calf
黑白花奶牛犊
1.
analysis of the sequence from a Holstein calf afflicted with leukocyte adhesion deficiency (LAD), two point mutations were detected within the gene encoding bovine CD18: one mutation replaced adenine at the nucleotide 383 with guanine, and the other mutation replaced the cytosine at the nucleotide 775 with thymine.
从一患白细胞粘附缺陷症（ＬＡＤ）的黑白花奶牛犊的核苷酸顺序分析中，发现牛的抗原分子分化群１８（ＣＤ１８）的基因密码有二处发生了点突变；一处在第３８３核苷酸上，在此处原有的腺瞟吟已被鸟嘌呤取代；另一处在第７７５核苷酸上，在此处原有的胞嘧啶被胸腺嘧啶取代了。
3) Holstein
[英]['hɔlstain] [美]['holstaɪn]
黑白花奶牛
1.
Cloning and Sequence Analysis of Mature Interferon-τ Gene from Chinese Holstein and a Classification for Bovine Interferon-τ;
中国黑白花奶牛干扰素-τ成熟蛋白基因的克隆与序列分析及牛干扰素-τ的分类
2.
PCR-RFLP at growth hormone gene in yak and Holstein;
西藏牦牛和黑白花奶牛生长激素基因AluⅠ多态性的比较研究
4) dairy cow
黑白花奶牛
1.
Total RNA was extracted from mammary tissue of lactating dairy cows.
从泌乳中国黑白花奶牛的乳腺组织中提取基因组RN A,根据报道的奶牛酪蛋白αs1m R N A序列设计其上、下游引物,用RT-PCR进行cD N A扩增,获得1条434bp的片段。
5) black-white cow
黑白花奶牛
1.
Polymophism of milk proteins in black-white cow genetic distance and cluster analysis;
云南黑白花奶牛乳蛋白质遗传多态性研究——遗传距离与聚类分析
2.
5% in black-white cows in G.
通过人用血糖/血酮仪测试80头黑白花奶牛泌乳期血酮水平,分析血酮水平与胎次、泌乳月及日产奶量的关系,对贵州地区奶牛酮病作出初步调查研究。
3.
The isozymic patterns of Isocitric dehydrogenase(IDH),Lactatedehydrogenase(LDH),Malate dehydrogenase(MDH)and Esterase(EST)in normalserum of Black-white cows have been compared using gel electrophoresis method.
本文采用聚丙烯酰胺凝胶电泳技术，对黑白花奶牛正常血清中的异柠檬酸脱氢酶（ＩＤＨ）；乳酸脱氢酶（ＬＤＨ）；苹果酸脱氢酶（ＭＤＨ）和酯酶（ＥＳＴ）同工酶酶谱进行了比较。
6) Holstein dairy cow
黑白花奶牛
1.
samples of vein blood in Holstein dairy cows were analysed for blood gas using IL 1302 type of blood gas analyser.
用IL 130 2型血气分析仪对 2 1头黑白花奶牛的静脉血血样进行血气分析。
2.
Eighty Holstein dairy cows with clinical health were used to approach effect ofHCG at different dosage on non-return rate in dairy cows.
在80头临床健康的黑白花奶牛中探讨了不同剂量HCG对奶牛情期受胎率的影响。
补充资料：黑白花牛
| 黑白花牛 Black-White 体型最大3、分布最广、产奶量最高的奶牛品种。原产于荷兰的西弗里斯兰和北荷兰省。因毛色呈黑白花片，故名。分乳用和乳肉兼用两型。头狭长，额有白三角星或白鼻梁，角细短，体型略呈楔形，腹下、四肢、关节和尾帚均为白色。乳用型牛体格高大，乳房特别发达，静脉明显。年平均产奶量6500～7500千克。兼用型牛体型略小，身躯低矮宽深，乳房匀称，附着良好。年平均产奶量4500～6000千克。肥育后的屠宰率可达55％～60％，肉质细嫩多汁。中国引进种公牛与当地母黄牛杂交选育，偏乳用型。
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参考词条