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Epidemiological Investigation of the Prevalence of Leptospira Spp. in Pigs in Israel
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Abstract
Twenty-one pig farms, comprising about 14,400 sows and 90,000 fattening pigs, were examined relative to Leptospira serological positivity in fattening pigs. Twelve farms (57.14%) were positive with average of 41.67% positive samples. L. canicola was the predominant serovar (100%), with a few cross-reactions for other serovars. There was as strong correlation between average number of positive samples and number of sows in farm (R2 = 0.9615). Number of positive samples was significantly higher in farms not vaccinating sows (P = 0.0059); practicing natural insemination (P = 0.0280); keeping fattening pigs on a full floor (P = 0.0019); presence of dogs (P = 0.0002); farms with high proximity to each other and shared infrastructures like perimetral walls, sewage, roads, workers (P = 0.0005). In such a situation, swine breeders should vaccinate their breeders population, their dogs and implement management measures. Leptospirosis is a notifiable disease in Israel.
Keywords
Leptospira spp.; Pigs; Israel; Swine Vaccination; Dog Vaccination; Treatment.
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Affiliation of the authors at the time of publication
Universita’ di Torino, Dipartimento di Scienze Veterinarie, Torino, Italy. Istituto Zooprofilattico Sperimentale Lombardia ed Emilia Romagna, IZS-LER, Brescia, Italy. Veterinary Services, Ministry of Agriculture and Rural Development, Beit Dagan, Israel.
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The Israel Journal of Veterinary Medicine is available as an open, online journal for veterinarians worldwide.

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