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Turkish Journal of Veterinary & Animal Sciences

DOI

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Abstract

This study was conducted to determine the presence of Listeria spp. and the serotype distribution of L. monocytogenes in fifty frozen broiler carcass samples obtained from different producers. USDA/FSIS suggested method was used for the isolation and identification of Listeria spp. Overall, 5 different Listeria species could be isolated from 94 % of frozen broiler carcasses. L. innocua was the most prevalent species with 90 % (45/50) followed by L. monocytogenes with 30 % (15/50), L. welshimeri with % 8 (4/50), L. grayi with 2 % (1/50) and L. murrayi with % 2 (1/50) respectively. According to the analysis there were mixed contamination of L. innocua with other Listeria species. Serotyping showed that 73.3 % of isolates of the L. monocytogenes belonged to serotype 1/2a, while 6.7 % belonged to serotype 1/2b, 6.7 % belonged to serotype 1/2c, 6.7 % belonged to serotype 3c and % 6.7 belonged serotype 4b. It is concluded that the presence of L. monocytogenes on 30 % of frozen broiler carcasses sampled reemphasizes the importance of maintaining good hygienic practices in production, processing and the consumers kitchen to avoid of human infections.

Keywords

Frozen broiler carcass, Listeria monocytogenes, serotype

First Page

765

Last Page

770

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