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Bulletin No. 19 - Fall 2004
Parasitology- No Category
CARGILL C, SANDEMAN M, GARCIA R, HOMER D
Three mange eradication programs based on breeding herd treatment only validated by slaughter check and elisa assay
Proceedings of International Pig Veterinary Society 18th Congress, June 27-July 1, 2004, Hamburg, Germany, Volume 2, Page 572, Abstract No. 380
Although previous reports have described Sarcoptic Mange eradication programs based on whole herd treatment, few reports of treating only the breeding herd have been recorded. In this study, successful eradication based on breeding herd treatment alone was achieved and validated using mite counts, slaughtering monitoring and serology. In herds A and C, all sows and boars were injected S/C with IVOMEC. (1 mL/33 kg) twice 14 days apart. In herds B and D all dry sows and boars were medicated with IVOMEC. Premix (0.6% w/w) for two 7-day periods separated by an interval of one week. Lactating sows received the same treatment as herds A and C. In herds E and F, the daily rations of all sows in each sow batch, along with the herd boars, were top dressed for two 7-day periods with IVOMEC. Premix (0.6% w/w) diluted with lactating sow diet to provide a final dose of 100 mcg/kg BW/day. Sows were medicated for 7 days prior to transfer to the farrowing house and again for 7 days prior to weaning. Based on the negative live mite counts, and the absence of mite eggs in material scraped from the ears of sows and their progeny six and 12 months following treatment, as well as the negative ELISA results, the eradication of Sarcoptes scabiei mites from all herds was successful. This was irrespective of the method of treatment or the type of management system used on the farm.
