The effects of feeding untreated and formic acid-treated colostrum ad libitum on intake and immunoglobulin levels in dairy calves

被引：5
|
作者：
Collings, L. K. M. [1 ]
Proudfoot, K. L. [1 ]
Veira, D. M. [2 ]
机构：
[1] Univ British Columbia, Fac Land & Food Syst, Anim Welf Program, Vancouver, BC V6T 1Z4, Canada
[2] Agr & Agri Food Canada, Agassiz, BC V0M 1A0, Canada
来源：
CANADIAN JOURNAL OF ANIMAL SCIENCE | 2011年 / 91卷 / 01期
关键词：
Colostrum; dairy calves; formic acid; immunoglobulin; bacteria; BOVINE COLOSTRUM; MILK; PERFORMANCE; STORAGE;
D O I：
10.4141/CJAS10043
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
Collings; L. K. M., Proudfoot, K. L. and Veira, D. M. 2011. The effects of feeding untreated and formic acid-treated colostrum ad libitum on intake and immunoglobulin levels in dairy calves. Can. J. Anim. Sci. 91: 55-59. Newborn dairy bull calves were fed 4 L of colostrum by esophageal feeder or offered untreated or formic acid-treated colostrum ad libitum for 24 h; effects on intake, serum immunoglobulin G (IgG) levels and behavior were measured. The untreated ad libitum group consumed more colostrum (6 vs. 4 L) but had comparable serum IgG levels to the control (27.8 vs. 28.1 mg mL(-1)). Adding formic acid to colostrum successfully reduced total bacteria and conform counts; however, it reduced 24 h ad libitum consumption. Formic acid is not a practical preservation agent for colostrum offered ad libitum to newborn calves.
引用
收藏
页码：55 / 59
页数：5
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