Mycoplasmosis: experimental mastitis. Demonstration of antibody in milk

According to several authors specific antibodies can be demonstrated in serum of cows with mycoplasma mastitis. For practical reasons, and for pathogenetic studies, it would be of interest if presence of antibody in milk could be established. To elucidate this and to examine the pathogenicity of the type strain, PG 11, of M. bovigenitalium, the experiment described below was conducted.