Prevalence of Trypanosoma evansi in horses in Israel evaluated by serology and reverse dot blot

Research in Veterinary Science
Dalia BerlinGad Baneth

Abstract

Trypanosoma evansi is the cause of surra in horses, camels and other domestic animals. Following the first outbreak of surra in horses and camels in Israel in 2006, a survey of the prevalence of the parasite in the Israeli horse population was conducted using serology, PCR followed by the reverse dot blot (RDB) technique and blood smear microscopy. In total, 614 horses from 7 regions were sampled. The CATT/T. evansi kit was used for serology for all the horses. Horses from the Arava and Dead Sea region, where the first outbreak occurred, were sampled again one year later and both samples were subjected to serology and the RDB technique. The country wide seroprevalence was 4.6% (28/614). The seroprevalence in the Arava and Dead Sea region was 6.5% (9/139) in the first sampling compared with 4.1% (5/122) in the second, whereas the prevalence of RDB-positivity was 18.7% (26/139) in the first sampling and only 0.8% (1/122) in the second. All horses were asymptomatic except for one horse from the Arava and Dead Sea region that demonstrated clinical signs of surra combined with positive serology and RDB. The results of this study indicated that surra is prevalent in most regions of the country and thus should be considered an importa...Continue Reading

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Citations

Mar 12, 2016·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Aleksandro Schafer Da SilvaMarcelo Bahia Labruna
Sep 12, 2018·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Abdullah D AlanaziHajri R Al-Shehri
Jan 15, 2020·Parasites & Vectors·Suheir EreqatZiad Abdeen
Jul 24, 2021·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·A G S ChanduP Roy

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