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Objective: Evaluation of skin test in diagnosis of Salmonella in carrier’s calves.
Design: Field study.
Animals: One hundred and eleven calves.
Procedure: One hundred and sixteen sera and faecal samples were obtained from calves in dairy farms around Tehran. The faucal samples were cultured in enrichment and selective media and then isolated salmonella were serotyped by 0 and H antisera.The sera samples were tested for 0 and H agglutinins via Widal test. extracted Lipopolysaccharide (LPS) from isolated S. dublin were used for skin test.
Statistical analysis: Measure of agreement, cohen’s kappa coefficient.
Results: In skin test three calves showed positive reaction from 116 cases. The reaction confirmed by histopathological findings. Also serological test of these calves were positive.
Conclusion: From the results of this study it seems that skin test is suitable test for diagnosis of salmonella carrier’s calves. J. Fac. Vet Med. Univ. Tehran. 57, 1: 79-82, 2002.