Evidence of Onchocerca fasciata (Filarioidea: Onchocercidae) in camels (Camelus dromedarius): I-prevalence, nodular lesions appearance and parasite morphology.
Examination of 3376 imported and 200 local Egyptian camels was carried out during the period extending between September 1997 and August, 1998. These animals were carefully examined for the presence of Onchocerca fasciata nodules and subsequently for O. fasciata adult parasites. Results of this study revealed that imported camels had the higher infection rate (2.75%), while those of local origin showed no palpable or detected Onchocerca nodules. Distribution of these nodules was mainly on the two sides of abdomen, hind limbs (concentrated in thigh region) and fore limbs particularly on the shoulders and nuchal ligament. This distribution varied according to the degree of infection. Searches for microfilariae were also performed using either blood samples, or in the subcutis and fascial sheath near or around the detected nodules.
El-Massry
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Parasitology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
Derbala
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D000005:Abdomen / Q000469:parasitology; D000367:Age Factors; D000818:Animals; D002162:Camelus / Q000469:parasitology*; D004534:Egypt / Q000453:epidemiology; D005121:Extremities / Q000469:parasitology; D005205:Fascia / Q000469:parasitology / Q000473:pathology; D005260:Female; D008297:Male; D008842:Microfilariae / Q000302:isolation & purification; D009854:Onchocerca / Q000302:isolation & purification*; D009855:Onchocerciasis / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D015995:Prevalence; D012737:Sex Factors; D012998:Somalia / Q000453:epidemiology; D013397:Sudan / Q000453:epidemiology