| [incidence and serotypes of salmonella in apparently healthy swine at slaughterhouses in japan: 1975-1989]. | to find healthy salmonella carriers among swine, isolation of salmonella from fresh cecum samples was attempted at slaughterhouses in tokyo, saitama, and tochigi during a period of 11 years. of a total 3,058 samples, 1,341 were collected between 1975 and 1979, and the other 1,717 between 1984 and 1989. the overall isolation rate of salmonella was 13.3% (408 pigs). the rate was 23.1% between 1975 and 1979 and 5.7% between 1984 and 1989. a total of 1,037 isolates were identified as salmonella and ... | 1995 | 7623420 |