Bacteriological study of broiler flocks (Salmonella contamination) in Amol city

Editorial

Author

Member of Scientific Council, Iran Encyclopedia Compiling Foundation

Abstract

This survey of Salmonella and specifically Salmonella enteritidis contamination in broiler flocks carried out in Amol as one of the most important poultry breeding centers, used as manure, yolk sac, papers and visceral organs from dead birds. Standard cultural methods were used for Salmonella isolation. Slide agglutination or tube agglutination tests were erformed using Salmonella somatic O poly A-S antisera and different somatic O monovalent and flagellar H monovalent antisera. Total of 1435 samples (226 pooled samples) collected from 26 farms and 39 houses. Sixty two Salmonella were isolated from all sources that 50 isolates (80.64%) was belonged to group D, 11 isolates (17.74%) group C and 1 isolate (1.61%) unknown. There was occurrence rate 53.84% in 26 farms. Salmonella enteritidis (41 isolates) had an isolation rate of 82% of group D and 66.12% of total Salmonella isolates. This could be shown Salmonella enteritidis is still serious serotype in broilers and causes losses as subacute diseases in poultry and also public health difficulties consequence gastroenteritis in humans by poultry meets cross contamination. Because of vertical transmission of Salmonella enteritidis there is need to create hygiene awareness among broiler breeder’s farms for producing one day chicks without paratyphoid Salmonella.

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