PMID: 1200444Dec 1, 1975Paper

Immunoglobulins in cattle vaccinated with leptospiral bacterins

American Journal of Veterinary Research
D N TripathyL E Hanson

Abstract

The growth-inhibition test was used to detect specific antibodies against Leptospira interrogans serotype hardjo in isolated immunoglobulin (IgG and IgM) fractions of serums from cattle vaccinated with leptospiral bacterins. The growth-inhibiting antibodies were detected mainly in the IgG class. Agglutinated clumps also occurred with the IgM fraction. The serums collected from cattle 4 months after vaccination were negative in the microscopic agglutination test.

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