Psoroptes ovis

Mites Chorioptes bovis, Psoroptes ovis var bovis, Sarcoptes scabiei var bovis... 

Psoroptes ovis. None of the pour-on products provides protection against the range of ectoparasites that is achieved by plunge dipping. 

Sheep mite Psoroptes ovis Scab, ovine psoroptic mange... 

The OP dips (and sprays) have long been used for the treatment and attempted eradication of sheep scab. This disease has major animal welfare implications for the sheep and major economic implications for the farmer. The disease can result in loss of the fleece and severe lesions on the animal that are then open to secondary infection by bacteria and parasites. The disease is caused by the sheep scab mite Psoroptes ovis. Organophosphorus-based dips have long been used for the treatment and attempted eradication of the disease. In this process, animals are submerged in the dip bath fluid so that the entire body surface, including the head, is submerged. They then exit the bath and in... 

P. Bates, Sheep scab (Psoroptes ovis), in Diseases of Sheep, ed. I. D. Aitken. Blackwell Publishing, Oxford, 4th edn, 2007, pp. 321 325. 

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