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Serological and molecular identification of Leptospira spp. in swine and stray dogs from Malaysia


Citation

Benacer, D. and Thong, K. L. and Ooi, P. T. and Souris, M. and Lewis, J. W. and Ahmed, A. A. and Mohd Zain, S. N. (2017) Serological and molecular identification of Leptospira spp. in swine and stray dogs from Malaysia. Tropical Biomedicine, 34 (1). pp. 89-97. ISSN 0127-5720

Abstract

Leptospirosis is endemic in Malaysia with Leptospira species extensively isolated from domestic and wild animals. Rats were found to be the principal maintenance hosts followed by cattle, pigs, and dogs. The objectives of this study were to isolate and identify Leptospira serovars circulating among swine from three different farms and also from stray dogs and cats from Klang valley, Selangor, Malaysia. Urine and kidney samples collected from 150 stray dogs, 50 cats and 81 swine were inoculated into semi-solid Ellinghausen McCullough Johnson and Harris (EMJH) media supplemented with additional 5-Fluorouracil. Dark field microscopy revealed only one positive culture of Leptospira from dog and swine samples, but all cat samples were negative. The PCR technique using published primers detected 11 positives in urine samples of dogs and 5 positives from swine. The microscopic agglutination test (MAT) confirmed the presence of two serovars in both dog and swine populations namely, L. interrogans serovar Canicola and L. interrogans serovar Pomona (MAT > 100), with Not I-PFGE analyses separating these two serovars into distinct profiles. Despite the low prevalence in stray dogs, the latter may play an important role in the contamination of the environment. Swine can also pose a potential risk of infection to humans and other domestic animals, especially those living close to swine farms. Thus improving hygiene and eradication of rodents in swine farms are likely to reduce the risk of infection.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Veterinary Medicine
Publisher: Malaysian Society of Parasitology and Tropical Medicine
Keywords: Leptospirosis; Leptospira serovars; Swine; Stray dogs; Malaysia
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 20 Aug 2018 06:31
Last Modified: 20 Aug 2018 06:31
URI: http://psasir.upm.edu.my/id/eprint/63199
Statistic Details: View Download Statistic

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