断奶应激对奶水牛犊牛血液生理生化指标和免疫功能的影响

doi:10.16431/j.cnki.1671-7236.2016.07.014

《中国畜牧兽医》---唯一指定的官方网站 ›› 2016, Vol. 43 ›› Issue (7): 1749-1754.doi: 10.16431/j.cnki.1671-7236.2016.07.014

断奶应激对奶水牛犊牛血液生理生化指标和免疫功能的影响

范超, 吴勇, 刘孝然, 樊海波, 李静, 杨利国, 李翔

华中农业大学动物科技学院, 农业动物遗传育种与繁殖教育部重点实验室, 武汉 430070

收稿日期:2015-11-03 出版日期:2016-07-20 发布日期:2016-07-22
通讯作者: 李翔 E-mail:xxianglli@mail.hzau.edu.cn
作者简介:范超(1989-),山东泰安人,男,硕士,研究方向:特种经济动物饲养,E-mail:chchaoffan@sina.com;吴勇(1987-),湖北武汉人,男,硕士,研究方向:特种经济动物饲养,E-mail:422523510@qq.com
基金资助:
"十二五"国家科技支撑计划项目：猪牛繁殖障碍控制及生殖激素制剂开发（2011BAD19B03）

Effect of Weaning Stress on Blood Physiology and Biochemistry Indexes and Immune Function in Dairy Buffalo Calves

FAN Chao, WU Yong, LIU Xiao-ran, FAN Hai-bo, LI Jing, YANG Li-guo, LI Xiang

Key Laboratory of Agricultural Animal Genetics, College of Animal Science and Technology/Breeding and Reproduction, Huazhong Agricultural University, Wuhan 430070, China

Received:2015-11-03 Online:2016-07-20 Published:2016-07-22

摘要/Abstract

摘要：

为研究断奶应激对奶水牛犊牛的影响，选用5头健康犊牛，分别于断奶前1 d、断奶后1、14和21 d进行采血，测定犊牛的血常规、血清生化指标和免疫指标。结果显示，奶水牛犊牛的白细胞数、淋巴细胞数、红细胞数、单核细胞数、红细胞压积、天冬氨酸转氨酶活性、血糖含量、皮质醇含量、免疫球蛋白G含量在断奶前后无显著变化（P > 0.05）；中性粒细胞数在断奶后21 d显著低于断奶前1 d（P < 0.05）；血清乳酸脱氢酶、丙氨酸转氨酶活性在断奶后显著高于断奶前（P < 0.05）；血清尿素氮含量在断奶后21 d显著高于断奶前1 d（P < 0.05）；血红蛋白含量在断奶21 d显著低于断奶前1 d（P < 0.05）。结果表明断奶应激不仅影响了奶水牛犊牛的生理机能，而且降低了其免疫力和抵抗力。

关键词: 奶水牛犊牛; 断奶应激; 生化生理指标; 免疫力

Abstract:

To study the effect of weaning stress on dairy buffalo calves,5 healthy calves were chosen and weaned,and the blood samples were collected at 1 day before weaning,and 1,14 and 21 days after weaning to analysis blood physiology and biochemistry indexes and immune function.The results showed that the count of white blood cell,lymphocyte,erythrocyte,monocytes and hematocrit,aspartate aminotransferase activity,blood glucose,cortisol and immunoglobulin G contents of dairy buffalo calves were no significant difference between before and after weaning treatments (P > 0.05).The count of neutrophils at 21 d after weaning were significantly lower than that of 1 d before weaning of dairy buffalo calves (P < 0.05).However,lactate dehydrogenase and alanine aminotransferase activity in weaned treatments were significantly higher than those of animals in the treatment before weaning (P < 0.05).The serum urea nitrogen of dairy buffalo calves at 21 d after weaning was significantly higher than that of 1 d before weaning (P < 0.05) and hemoglobin content at 21 d after weaning was significantly lower than that at 1 day before weaning (P < 0.05).It indicated that the physiological and immunity function of dairy buffalo calves were challenged under weaning stress.

Key words: dairy buffalo calves; weaning stress; physiological and biochemical indexes; immunity

中图分类号:

S823.8⁺3

范超, 吴勇, 刘孝然, 樊海波, 李静, 杨利国, 李翔. 断奶应激对奶水牛犊牛血液生理生化指标和免疫功能的影响[J]. 《中国畜牧兽医》---唯一指定的官方网站, 2016, 43(7): 1749-1754.

FAN Chao, WU Yong, LIU Xiao-ran, FAN Hai-bo, LI Jing, YANG Li-guo, LI Xiang. Effect of Weaning Stress on Blood Physiology and Biochemistry Indexes and Immune Function in Dairy Buffalo Calves[J]. , 2016, 43(7): 1749-1754.

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断奶应激对奶水牛犊牛血液生理生化指标和免疫功能的影响

Effect of Weaning Stress on Blood Physiology and Biochemistry Indexes and Immune Function in Dairy Buffalo Calves

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