Reproductive effects of fenoxycarb on sheep
Texas Veterinary Medical Diagnostic Lab, College Station 77841, USA. Fenoxycarb (ethyl [2-(4-phenoxyphenoxy)-ethyl] carbamate) is an insect growth regulator used for long-term fire ant control. Because of its effects on insect reproduction and its potential use on pasturage consumed by food animals,...
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Veröffentlicht in: | Journal of veterinary diagnostic investigation 1997-10, Vol.9 (4), p.401-406 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Texas Veterinary Medical Diagnostic Lab, College Station 77841, USA.
Fenoxycarb (ethyl [2-(4-phenoxyphenoxy)-ethyl] carbamate) is an insect growth regulator used for long-term fire ant control. Because of its effects on insect reproduction and its potential use on pasturage consumed by food animals, a reproductive study was conducted using Rambouillet sheep. The sheep were dosed daily with a placebo or with fenoxycarb at 0.69 or 1.38 mg/kg/day, representing ten (10x) and 20 times (20x) the maximum amounts of fenoxycarb in forage or hay treated at recommended levels for fire ant control. Parameters that were measured included rates of weight gain of adults, serum clinical chemistry profiles of adults, spermatozoal morphology and motility, estrus cycling, pregnancy rates, maintenance of pregnancies to term, numbers of live births, and rates of weight gain of lambs to 28 days. There were no statistically significant (P |
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ISSN: | 1040-6387 1943-4936 |
DOI: | 10.1177/104063879700900410 |