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- Alfalfa hay have more RDP and less RUP, DDGS have more RUP and less RDP, ideal ratio of RDP to RUP in diet of high producing dairy cow can be attained when using alfalfa with DDGS. 苜蓿干草属于高RDP 饲料,DDGS 属于高RUP 饲料,用一定比例的苜蓿干草和DDGS 配合可以使高产奶牛日粮的RDP-RUP比例达到日粮设计的理想要求。
- Lower reproductive performance of high producing dairy cows is associated with negative energy balance(NEB). 高产奶牛繁殖性能下降与能量负平衡(NEB)有关。
- The species and features of rumen bypass fat, application effects of rumen bypass fat in feeding high producing dairy cows and important points for practical addition were mainly described. 主要论述了过瘤胃脂肪的种类及特点、过瘤胃脂肪在高产奶牛饲养中的应用效果以及在实际添加时的注意要点。
- Adding rumen bypass fat into the diets for high producing dairy cows is an important, economic and feasible way to resolve the problem of energy negative balance of high producing dairy cows. 摘要在奶牛日粮中添加过瘤胃脂肪是解决高产奶牛能量负平衡问题重要而经济可行的途径。
- Study on the Optimal Amount of Alfalfa Hay Addition in the Diet of High Producing Dairy Cow 苜蓿干草在高产奶牛日粮中适宜添加量的研究
- high producing dairy cow 高产奶牛
- Advance in the Understanding of Negative Energy Balance on Reproduction in High Producing Dairy Cows 能量负平衡对高产奶牛繁殖性能影响的研究进展
- They raise dairy cows, hogs and chickens, too. 他们还饲养奶牛、猪和鸡。
- Function、use、effect、and problem of bovine somatotrop(BST) on lactation of dairy cow were elucidated in the article. 本文对牛生长激素（BST）对奶牛泌乳的作用机制、应用方法、效果及带来的问题等方面进行了论述。
- XIE Xian-Sheng. The effect of arginine on dairy cow sex. Animal Husbandry &Veterinary Medicine, 2003, 35(12): 19?20. 谢献胜.;精氨酸对奶牛后代性别控制的试验
- The result indicated that use of BST on nutritional metabolism and milk production of dairy cow could be raised. 说明了BST的应用确实可以调整奶牛体内营养物质的代谢水平和大幅度提高产奶量。
- The objective of this study was to explore new means of dairy cow mastitis treatment. 摘要[目的]寻找治疗奶牛乳房炎的新途径。
- The dairy farm keeps many dairy cows. 乳牛场饲养了很多乳牛。
- So it is feasible to use mice for assaying potency of the inactivated vaccine against dairy cow chlamydiosis,thus replacing target animal dairy cow. 结果表明，用小鼠做牛衣原体灭活疫苗的效检动物模型是可行的。
- Bretzlaff K.Rationale for Treatment of Endometritis in the Dairy Cow[J].Vet Clin North Am Food Anim Pract,1987,(3):5932. 吴金海;李德生;汪志;等.;复合溶菌酶剂治疗奶牛子宫内膜炎的试验效果[J]
- Objective To increase the fermentation yield, a high producing strain of ribostamycin was selected. 目的选育核糖霉素高产菌株,提高其生产发酵水平。
- The resistance-heated furnace has a high produc tion efficiency .saves manhour and energy,and may ensure the quality of pro ducts. 这种电阻炉生产效率高,能节约工时和能耗,并保证产品质量。
- Japanese health authorities have reported the country's 10th case of mad cow disease, after a suspected dairy cow was confirmed to have the disease after a series of tests. 日本卫生部报告出现了第10例疯牛病,一只可疑的乳牛在一系列的测试之後被确诊患有疯牛病。
- OTTAWA, February 26, 2008 - The Canadian Food Inspection Agency (CFIA) has confirmed bovine spongiform encephalopathy (BSE) in a six-year-old dairy cow from Alberta. 渥太华2008年2月26日电加拿大食品检疫局（CFIA）已经证实在艾伯塔省发现一头六岁大的奶牛患有疯牛病（BSE）。
- A strain of chitosanase high producing bacterium was screened by circle clear zone from soil samples of the Changbai Mountain. 采用透明圈法从长白山天池边的土样中筛选到一株高产壳聚糖酶的菌株。
