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Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens

Salmonella Stanley (S. Stanley) is gram negative rods of the Enterobacteriaceae family commonly found in ducks, a reservoir of the bacteria. The potential risk for exposure to Salmonella via contaminated food rises with growth in consumption of meat and poultry products. The objectives of this study...

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Main Authors: R., Balqis, Bejo, Mohd Hair
Format: Conference or Workshop Item
Language:English
Published: Faculty of Veterinary Medicine, Universiti Putra Malaysia 2018
Online Access:http://psasir.upm.edu.my/id/eprint/67644/1/WPSA_2018-11.pdf
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spelling oai:psasir.upm.edu.my:67644 http://psasir.upm.edu.my/id/eprint/67644/ Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens R., Balqis Bejo, Mohd Hair Salmonella Stanley (S. Stanley) is gram negative rods of the Enterobacteriaceae family commonly found in ducks, a reservoir of the bacteria. The potential risk for exposure to Salmonella via contaminated food rises with growth in consumption of meat and poultry products. The objectives of this study were to determine pathogenicity of S. Stanley isolate (UPM517) in chickens and to isolate the agent from the organs. The study showed that body weight of chickens in inoculated (A) and controlled (B) groups increased throughout the trial with no significant difference (p>0.05) between groups. No abnormal clinical signs were recorded in all groups, except on day 6 post inoculation (pi) one chick (1/8 or 12.5%) from mortality group A showed weakness and was found dead on the next day (day 7 pi). Necropsy revealed no significant findings in all groups, except splenomegaly in chicks from group A on day 4, 7 and 14 pi. Histologically the liver remained normal in all group of chickens. Salmonella was isolated from group A on day 1 pi from liver and caecal tonsils; on day 4 pi from liver, caecal tonsils and spleen; on day 7 pi from liver, spleen, caecal tonsils, cloacal swab; but on day 14 pi Salmonella was not isolated. No Salmonella was isolated from group B. Salmonella antibody titre declined in all groups throughout the trials with no significant difference (p>0.05) in the titre between groups. In conclusion, the S. Stanley isolate is pathogenic in commercial broiler chickens. Faculty of Veterinary Medicine, Universiti Putra Malaysia 2018 Conference or Workshop Item PeerReviewed text en http://psasir.upm.edu.my/id/eprint/67644/1/WPSA_2018-11.pdf R., Balqis and Bejo, Mohd Hair (2018) Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens. In: 3rd World's Poultry Science Association (Malaysia Branch) and World Veterinary Poultry Association (Malaysia Branch) Scientific Conference 2018, 18-19 Apr. 2018, Faculty of Veterinary Medicine, Universiti Putra Malaysia and Kuala Lumpur Convention Centre, Kuala Lumpur. (pp. 49-50).
institution UPM IR
collection UPM IR
language English
description Salmonella Stanley (S. Stanley) is gram negative rods of the Enterobacteriaceae family commonly found in ducks, a reservoir of the bacteria. The potential risk for exposure to Salmonella via contaminated food rises with growth in consumption of meat and poultry products. The objectives of this study were to determine pathogenicity of S. Stanley isolate (UPM517) in chickens and to isolate the agent from the organs. The study showed that body weight of chickens in inoculated (A) and controlled (B) groups increased throughout the trial with no significant difference (p>0.05) between groups. No abnormal clinical signs were recorded in all groups, except on day 6 post inoculation (pi) one chick (1/8 or 12.5%) from mortality group A showed weakness and was found dead on the next day (day 7 pi). Necropsy revealed no significant findings in all groups, except splenomegaly in chicks from group A on day 4, 7 and 14 pi. Histologically the liver remained normal in all group of chickens. Salmonella was isolated from group A on day 1 pi from liver and caecal tonsils; on day 4 pi from liver, caecal tonsils and spleen; on day 7 pi from liver, spleen, caecal tonsils, cloacal swab; but on day 14 pi Salmonella was not isolated. No Salmonella was isolated from group B. Salmonella antibody titre declined in all groups throughout the trials with no significant difference (p>0.05) in the titre between groups. In conclusion, the S. Stanley isolate is pathogenic in commercial broiler chickens.
format Conference or Workshop Item
author R., Balqis
Bejo, Mohd Hair
spellingShingle R., Balqis
Bejo, Mohd Hair
Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
author_facet R., Balqis
Bejo, Mohd Hair
author_sort R., Balqis
title Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
title_short Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
title_full Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
title_fullStr Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
title_full_unstemmed Pathogenicity of Salmonella Stanley isolate in commercial broiler chickens
title_sort pathogenicity of salmonella stanley isolate in commercial broiler chickens
publisher Faculty of Veterinary Medicine, Universiti Putra Malaysia
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/67644/1/WPSA_2018-11.pdf
_version_ 1819298616110481408
score 13.4562235

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