Salmonella infection in market swine, Trinidad and Tobago

Salmonella organisms were isolated from samples of mesenteric lymph nodes taken from healthy market swine at an abattoir in Port-of-Spain, Trinidad and Tobago, on 36 different visits over a 12-month period. Of the 869 samples examined, 160, or 18,4%, were positive for Salmonella. A total of 19 serotypes were isolated of which S. agona was the most prevalent. The findings are compared with observations by other workers.