Misdiagnosis and Hypertrichosis. Rare form of hair loss often misdiagnosed: a rare form of extreme hair loss called  Atrichia with papular lesions  (APL) is often misdiagnosed as alopecia totalis.
The Dorper is a South African breed of domestic sheep developed by crossing Dorset Horn and the Blackhead Persian sheep. The breed was created through the efforts of the South African Department of Agriculture to breed a meat sheep suitable to the more arid regions of the country.his resulted in the birth of mainly black and a few white Dorper lambs. The difference in colour is therefore, merely a matter of preference for each breeder. Black-headed breeders constitute about 85% of the members of the Dorper Sheep Breeders' of Society of South Africa.
Sheep scab is an animal welfare concern due to the pain and irritation caused by the mites. Etiology Sheep scab is caused by Psoroptes ovis, a mite (arthropod) in the family Psoroptidae (Order Astigmata).Psoroptes mites have traditionally been separated into species based on their host and body site preferences, and the morphology of the male mites.heep Scab â Psoroptes ovis Last Updated: September 2009 Â© 2009 page 2 of 4 the temperature (the mites survive longer when it is cooler) and possibly with the variant/strain of the mite. All infested animals do not necessarily develop symptoms; asymptomatic sheep can spread the infestation to other animals.