MART-AZR Project Research Report 13: Incidence of Internal and External Parasites in Sheep in Kovak Valley (Kalat District) Upland Baluchistan
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K. N. H. Khan, Atiq- ur-Rehman, Chowdry M. B. (5/1/1988). MART-AZR Project Research Report 13: Incidence of Internal and External Parasites in Sheep in Kovak Valley (Kalat District) Upland Baluchistan. Punjab, Pakistan: Arid Zone Research Institute**.
Seven flocks totaling 900 animals were examined for internal and external parasites in Kovak Valley of upland Baluchistan. One hundred percent of the animals were found to be infested with internal parasites. The relative rate of incidence of different parasites was Nematodirus sp. 85.7%, Haemonchus Contortus 62.8%, Strongyloides papillosus 48.5%, Trichostrongylus sp. 42. 4%, Marshallagia marshalli 41.4%, and Farsciola hepatica 32.8%. The incidence rate for tick infestation (lxodes ricinus) was 34.5% and for sheep scab (Psoroptes ovis) 22.7%. This level of infestation is likely to be causing substantial losses in the productivity of small ruminants in Kovak Valley.