| 摘要 |
The invention is a novel method for the control of flies breeding in manure, comprising orally administering certain pyrethroids to warm-blooded animals to provide pesticidally effective amounts of these pyrethroids in the feces of the animals. The invention includes animal feed compositions, comprising a mixture of a nutritionally balanced feed and a pyrethroid, incorporated in the feed to provide pesticidally effective amounts of the pyrethroid in the feces of the animals. |
