[Duration of carrier state of leptospira in pigs].
D000818:Animals; D002353:Carrier State; D006386:Hemagglutination Tests; D007922:Leptospirosis / Q000097:blood* / Q000652:urine; D013552:Swine; D013553:Swine Diseases / Q000652:urine*
Dlitel'nost' lepironostiel'stva u svineĭ.