Horn fly (Diptera: Muscidae) control on beef cows with permethrin-impregnated ear tags and effect on subsequent calf weight gains
Autor: | S. S. Quisenberry, D. R. Strohbehn |
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Rok vydání: | 1984 |
Předmět: | |
Zdroj: | Journal of economic entomology. 77(2) |
ISSN: | 0022-0493 |
Popis: | Permethrin-impregnated ear tags effectively reduced horn flies during the 1981 and 1982 fly seasons by 96 and 99%, respectively. Calves nursing treated cows compared with calves nursing untreated control cows gained 6.7 kg ( P < 0.05) more in 1981 and 4.4 kg ( P |
Databáze: | OpenAIRE |
Externí odkaz: |
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