to elucidate the possible factors influencing the igm concentration in swine colostrum , the following 12 items were surveyed in the present study : season , district , breed , age , udder section ( mamma ) from which colostral samples were collected , kind of feed , 4 vaccinations ( 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