A study was conducted in fourty randomly selected herds in a peri-urban area in the Central Kenyan highlands to obtain prevalence estimates of sarcoptic mange in pigs kept by smallholder farmers. A total of 476 pigs of various age-group categories were enrolled in the study. Diagnosis was based on physical examination for clinical signs indicative of mange infestation and on direct detection of Sarcoptes scabiei mites. Ninety per cent of the herds had clinical signs suggestive of sarcoptic mange andin 70% of the herds Sarcoptes scabiei var suis was positively identified The results also indicated that 273 (57.3%) of the 476 pigs had clinical signs indicative of sarcoptic rnange and 90 (18.9%) of the 476 pigs were positive for Sarcoptes scabiei varsuis. The hypersensitive form of mange was more common than the chronic form. The direct examination technique to detect Sarcoptes scabiei var suis was more effective in weaners than in the other age categories of pigs. The results indicate that sarcoptic mange is a common problem in smallholder pig herds tn Kikuyu Division of Kiambu District, Kenya.
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