Impact of Horse Flies (Diptera: Tabanidae) on Beef Cattle

Authors: Perich, M. J.; Wright, R. E.; Lusby, K. S.

Source: Journal of Economic Entomology, Volume 79, Number 1, February 1986 , pp. 128-131(4)

Publisher: Entomological Society of America

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Abstract:

Yearling Hereford heifers exposed to attacks by six species of horse flies (Tabanus abactor Philip, T. atratus F., T. equalis Hine, T. mularis Stone, T. subsimtlis Bellardi, and T. sulcifrons Macquart) with an average of 90 and 66 horse flies per animal per day for 84 days gained 0.08 and 0.10 kg per animal per day less than heifers protected from horse flies in 1982 and 1983, respectively. Average daily gain of heifers exposed to horse flies was 0.09 kg per animal per day less. These heifers were 16.9% less efficient in feed utilization than protected heifers. Greatest impact of horse flies occurred during the initial high attack rate at the end of the first 28-day period and throughout the second 28-day period when attack rate was highest. Potential total loss each year in weight gain in heifers exposed to tabanids for 84 days was >10.00 per head.

Document Type: Research Article

Publication date: February 1, 1986

More about this publication?
  • 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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