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Prevalence of Surra among camels and horses in Jordan |
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| Authors: | Abo-Shehada M N Anshassi H Mustafa G Amr Z |
| Institution: | a Parasitology Research Laboratory, Faculty of Veterinary Medicine, Jordan University of Science and Technology (JUST), P.O. Box 3030 Irbid Jordan b Department of Veterinary Laboratories, Ministry of Agriculture Amman Jordan c The Jordanian Society for Animal Protection Amman Jordan d Department of Applied Biology, JUST Irbid Jordan |
| Abstract: | The prevalence of Trypanosoma evansi infection among camels and horses in Jordan was studied using thick blood smears and inoculation techniques with mice and rats. A total of 437 camels and 83 horses from four climatic zones were surveyed. In addition, 40 donkeys, 32 cattle and 35 goats in contact with infected camels and horses were also tested in the same way. Clinical disease was evident in 8.2% of the camels (36 out of 437) and in 9.6% of the horses (8 out of 83). Infection was limited only to the Sweama area on the Dead Sea (within the warm desert-climatic zone), with prevalence of 30.5% and 33.3%, respectively, for camels and horses. Donkeys, cattle and goats examined were all free from T. evansi. Clinically affected camels were positive by both, thick blood smear and mouse and rat inoculations. Rat and mouse inoculations revealed (X2=3.2, df=1, exact p=0.07) greater number of positive cases in horses than those revealed by thick blood smears. T. evansi-infected camels and horses showed all the clinical signs known for Surra. In addition, it was observed that 100% of infected camels stared at the sun. |
| Keywords: | Surra Trypanosoma evansi Camel Horse Jordan |
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