一项关于影响犊牛血清IgG水平因素的流行病学研究。
An epidemiological study of factors affecting serum IgG levels in dairy calves.
作者信息
Norheim K, Simensen E
出版信息
Nord Vet Med. 1985 May-Jun;37(3):121-35.
PMID:4034387
Abstract
Serum IgG was used to evaluate the immune status of calves up to 180 days of age in 300 Norwegian dairy herds. Several factors were found to significantly affect the levels. Among these were geographical district, season, and factors related to housing and feeding.
摘要
在300个挪威奶牛场中，使用血清IgG来评估180日龄以内犊牛的免疫状况。发现有几个因素会显著影响其水平。其中包括地理区域、季节以及与圈舍和饲养相关的因素。
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