| Literature DB >> 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.Entities:
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Year: 1985 PMID: 4034387
Source DB: PubMed Journal: Nord Vet Med ISSN: 0029-1579