Home >> Journal of Economic Entomology, Volume 75, Number 5

Effect of Face Flies (Diptera: Muscidae) on Weight Gains and Feed Efficiency in Beef Heifers

Authors: Arends, J. J.; Wright, R. E.; Lusby, K. S.; McNew, R. W.

Source: Journal of Economic Entomology, Volume 75, Number 5, October 1982 , pp. 794-797(4)

Publisher: Entomological Society of America

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Abstract:

The release of Musca autumnalis (De Geer) on 18-month-old Hereford heifers in Saran-screened pens for 84 days in 1979 and 112 days in 1980 resulted in average infestation levels of 13 flies per face per pen and 12 flies per face per pen, respectively, for the duration of the tests. These levels of face flies had no significant effect on feed consumption (10.71 kg/day fly-free animals vs. 10.25 kg/day fly-stressed animals) feed efficiency (feed conversion ratio of 9.29 for fly-free animals vs. 9.31 for fly-stressed animals), or average daily gain (1.16 kg for fly-free animals vs. 1.13 for fly-stressed animals). Even though irritation of the eyes was evident, no clinical cases of infectious bovine keratoconjunctivitis (IBK) were observed.

Document Type: Research article

Publication date: 1982-10-01

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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