Weight Gain Response and Efficacy of Washing and Various Insecticide Treatments for Prevention of Flies Feeding on Shear Wounds of Summer Shorn Lambs

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Crotoxyphos + dichlorvos (Ciovap®), ronnel, and dioxathion sprays reduced by at least 90% the number of house flies, Musca domestica L., face flies, M. autumnalis De Geer, stable flies, Stomoxys calcitrans (L.), and blow flies (Phaenicia spp. and Calliphora spp.) feeding on lamb shearing wounds. Forced use of crotoxyphos dust was more variable than sprays but provided an average reduction of fly feeding of 75%. Treated lambs had an average daily gain (ADG) of 1.35 lb/lamb for 9 days posttreatment whereas untreated lambs had an ADG of 1.08 lb/lamb (significant at the 0.01 level t test). Washing lambs prior to treatment had no effect on efficacy of the insecticide.

Document Type: Research Article

Publication date: February 1, 1977

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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