Antibody Response of Swine to Leptospira canicola and Leptospira icterohaemorrhagiae

Le résumé fourni par la source

SUMMARY Serum samples collected from swine 7 months after vaccination with Leptospira icterohaemorrhagiae and Leptospira canicola bacterin contained protective antibodies, as determined by hamster protection test. The samples had low macroscopic agglutination (ma) titers. After swine were exposed to virulent leptospires, the ma titers started to increase, reached a peak 10 to 15 days later, and then started to decrease. In contrast, high levels of protective antibodies were detected in serum samples collected 43 days after swine were challenge exposed.

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