Interference of colostral antibodies with response to a Bluetongue serotype 8 inactivated vaccine in lambs born from hyperimmune ewes.

Despite the widespread use of Bluetongue serotype 8 (BTV-8) vaccines across Europe, there remain unanswered questions on the effects of maternally derived antibodies (MDA) on vaccination. This study investigated the persistence of MDA in lambs and their interference on vaccine efficacy. Lambs born from hyperimmune ewes-i.