The relationship between serum IgG levels and age, leg injuries, infections and weight gains in dairy calves.

Abstract

Serum IgG profiles for calves up to 50 days varied markedly depending on the level of passively acquired immunity. A relationship between serum IgG at 5 days of age and prevalence of leg injuries (skin lesions) was found, whereas no associations were seen regarding IgG and diarrhoea or liveweight gain.