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Diarrhea in Neonatal Piglets Caused by K99 + ST + Enterotoxigenic Escherichia coli
Author(s) -
Shimizu Mikio,
Sakano Tetsuya,
Yamamoto Junya,
Sakurai KenIchiro
Publication year - 1984
Publication title -
microbiology and immunology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.664
H-Index - 70
eISSN - 1348-0421
pISSN - 0385-5600
DOI - 10.1111/j.1348-0421.1984.tb00718.x
Subject(s) - enterotoxigenic escherichia coli , enterotoxin , microbiology and biotechnology , diarrhea , pilus , biology , colostrum , escherichia coli , heat stable enterotoxin , antigen , virology , antibody , immunology , medicine , biochemistry , gene
Enterotoxigenic Escherichia coli strains were isolated from the feces of 34.4% of 64 diarrheaic neonatal piglets on seven farms. Of a total of 518 isolates, 86 (16.6%) were enterotoxigenic and grouped into four phenotypes: K99 + ST + (K99 pilus antigen and heat‐stable enterotoxin producing, 36 strains), ST + (37 strains), K88 + LT + (K88 pilus antigen and heat‐labile enterotoxin producing, 11 strains), and K88 + ST + (2 strains). K99 + ST + and ST + isolates showed multiple drug resistance and most of those (58.3% and 56.8%, respectively) belonged to O serogroup 101. A K99 + ST + isolate proved to be capable of inducing diarrhea and death in hysterectomy‐produced colostrum‐deprived piglets when orally inoculated.