to determine factors influencing the iga concentration in swine colostrum , the following items were analyzed in the present study : season , district , breed , number of parturitions , udder section from which samples were collected , kind of feed , vaccinations of swine ( erysipelas live-organism vaccine , hog cholera live-virus vaccine , japanese encephalitis live-virus vaccine , and transmissible gastroenteritis live-virus vaccine ) , type of farming , and number of sows raised on a farm .
C0029235
organism
C0042776
virus