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J Egypt Soc Parasitol. 1997 Dec;27(3):719-37.

Studies of wound myiasis among sheep and goats in North Sinai Governorate, Egypt.

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Department of Entomology, Faculty of Agriculture, Ain Shams University, Egypt.


Myiasis of man and animals is a real welfare problem of world wide distribution particularly in animal raising countries. Studies of myiasis of sheep and goats in North Sinai resulted in the identification of 21 species of myiasis producing flies. The predominant species was Musca domestica followed by Lucilia sericata and the least abundant was M. albina. In general, sheep were more infested with wound myiasis than goats. The overall infestation rate was high in summer, followed by spring then autumn. The least rate of infestation was winter. As to the different areas examined, the high rate of infestation was in Bir Al-Abd, followed by Al Hasanah, Al Arish, Al Sheikh-Zowaid and lastly Rafah. The factors predisposing to wound myiasis in a descending order of importance in goats were open wound, shearing wound, caseous lymphadenitis, foot rot, faecal staining, ophthalmo or facial eczema, horn fracture, rumen fistula and lastly posterior paralysis. In sheep, the most important cause was caseous lymphadenitis followed by foot rot, then open wound and faecal staining, shearing wound, and ophthalmo or facial eczema otherwise more or less the same as in goats. It is concluded that myiasis among edible animals is a problem of veterinary and economic importance. The clinical features range between mild annoyance to severely disfiguring or fatal. No doubt, poor hygiene, presence of draining wounds, depressed level of farmers' consciousness and immobility presidose to different anatomic types of myiasis which may extend to man.

[Indexed for MEDLINE]

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