The prevalence of antimicrobial resistant salmonella spp. and the risk factors associated with their occurrence in finisher pigs in Seberang Perai, Malaysia
Across sectional study to determine the occurrence and antimicrobial resistance pattern of Salmonella spp. in finishing pigs was carried out at 12 selected pig farms. The farm characteristics and certain management practices associated with the occurrence of Salmonella spp. were also evaluated. R...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universiti Putra Malaysia Press
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/25382/1/15%20Pg%20303-310.pdf http://psasir.upm.edu.my/id/eprint/25382/ http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2034%20(2)%20Aug.%202011/15%20Pg%20303-310.pdf |
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| Summary: | Across sectional study to determine the occurrence and antimicrobial resistance pattern of Salmonella spp. in finishing pigs was carried out at 12 selected pig farms.
The farm characteristics and certain management
practices associated with the occurrence of Salmonella spp.
were also evaluated. Rectal swabs were collected
aseptically from 210 randomly selected finishing pigs. Suspect Salmonella colonies isolated were identified using
a set of conventional biochemical tests and these
isolates were sent to the Veterinary Research Institute
(VRI) for serotyping. The antimicrobial sensitivity test was conducted on the isolates against a panel of selected
antimicrobials that are commonly used in local pig production using disc diffusion method.
In addition, a questionnaire on the management of farms, herd health programme,and common antimicrobial usage was
collected from farm representative, resulting in variables that could be analyzed to identify factors associated
with the occurrence of Salmonella.
The results showed that 32 out of 210 finishing
pigs (15.2%)tested were positive for Salmonella typhimurium
and the isolates were detected from 9 out of 12 farms sampled (75.0%).Most of the isolates showed a relatively high level of antimicrobial resistance. The occurrence of
Salmonella in pigs were significantly associated with (1) farms which were not equipped with footbath or vehicle wheels dip; (2) farms with vermins/birds in the surrounding; (3) farms with less frequent pen cleaning and (4) farms which are located adjacent to the neighbouring farms. |
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