Field Survey on Unqualified Colostrum in Horses by Latex Agglutination Test

概要

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To clarify the background factors for the occurrence of failure of passive transfer (FPT) in foals, IgG content of colostrum at postpartum in dams and serum IgG content in foals were determined by the latex agglutination test. A total of 573 out of 1741 colostrum (32.9%) were found to have unqualified IgG content of colostrum at postpartum. Unqualified colostrum also appeared to depend considerably on prelactation in dams when hearing data on lactation at postpartum were obtained from breeders. Serum IgG content in the foals fed unqualified colostrum was significantly less (P<0.05) and the morbidity rate of foals, affected by infectious disease following birth, was relatively higher than those of foals fed qualified colostrum. It would thus appear that unqualified colostrum should be detected as quickly as possible to prevent FPT and infection in foals.
日本ウマ科学会の論文