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当前位置: 首页 > 文章 > 过瘤胃氯化胆碱在泌乳奶牛上的应用 中国畜牧兽医 2008,35 (12) 113-116
Position: Home > Articles > The Application of Rumen Protected Choline on Dairy Cows China Animal Husbandry & Veterinary Medicine 2008,35 (12) 113-116

过瘤胃氯化胆碱在泌乳奶牛上的应用

作  者：
张继慧;杨开伦;禚梅;李戍江;朱文涛;徐天海;徐菲莉;吕蕾
单  位：
新疆医科大学附属中医医院;新疆农业大学动物科学学院;新疆天康畜牧生物技术股份有限公司
关键词：
过瘤胃氯化胆碱;产奶量;酮体;D-3-羟丁酸;酮病
摘  要：
将14头荷斯坦奶牛完全随机分为2组,每组7头。试验组从围产前期开始至产后1个月内每天每头饲喂10 g过瘤胃氯化胆碱,测定所有供试牛产后第1个泌乳月内日均产奶量;同时分别在产前1周、产后24 h、产后1、2、3、4周共6个时间点采血,测定血清中血糖、D-3-羟丁酸、血脂(甘油三酯、总胆固醇,包括高密、低密、极低密)、谷丙转氨酶、谷草转氨酶的含量。结果表明,与对照组相比,饲喂过瘤胃氯化胆碱的奶牛产后第1个月内日均产奶量比对照组提高1.7%(P>0.05);围产期及泌乳初期血糖能维持在相对稳定的水平;D-3-羟丁酸含量降低(P>0.05),血脂、谷丙转氨酶、谷草转氨酶均无显著差异(P>0.05)。因此,围产期饲喂过瘤胃氯化胆碱能缓解奶牛产后能量负平衡状态,预防酮病,帮助奶牛快速恢复健康,提前进入产奶高峰期,提高牛场经济效益。
译  名：
The Application of Rumen Protected Choline on Dairy Cows
作  者：
ZHANG Ji-hui1,YANG Kai-lun1,ZHUO Mei2,LI Shu-jiang2,ZHU Wen-tao2,XU Tian-hai2,XU Fei-li3,LV Lei3(1.College of Animal Science,Xinjiang Agricultural University,Urumqi 830052,China;2.Xinjiang Tecon Animal Husbandry Bio-technology Co.Ltd,Urumqi 830013,China;3.Chinese Medical Science Hospital Attached to Xinjiang Medicine University,Urumqi 830000,China)
关键词：
rumen protected choline(RPC);amount of lactation;ketone body;D-3-Hydroxybutyrate;ketosis
摘  要：
Fourteen Holstein cows were divided into two groups randomly and every group included seven cows.Every cow of test group was fed 10 g Rumenal-protected-choluine every day for 30 days from ante-partum.Control group was fed normally.Daily average milk production during the first month after parturition was measured in test and control groups.At the same time,we tested the contents of glucose,D-3-Hydroxybutyrate,blood fat(triglycerides,total cholesterol,total cholesterol includes HDL-C,LDL-C,VLDL-C),ALT and AST in the serum in six different time points,a week before parturition,24 hours after parturition,a week after parturition,two weeks after parturition,three weeks after parturition and four weeks after parturition.All the data were dealed by independent sample T test.The results showed that daily average milk production during the first month after parturition of test group was 1.7 percent higher th0an control group;glucose in the serum of test group was kept in the normal level,higher than control group;D-3-Hydroxybutyrate of test group fell down(P>0.05);there were no evident difference of blood fat,ALT and AST between test and control groups(P>0.05).This experiment showed RPC can release negative energy balance after parturition,prevent ketosis,help cows to recover health rapidly,and increase milk production in the first month after parturition,and improve economic benefit of cow farm.

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