Selection for polygamy and the sterile-insect technique.
D000818:Animals; D004175:Diptera; D004478:Ectoparasitic Infestations / Q000517:prevention & control / Q000662:veterinary; D005260:Female; D007300:Insect Control; D008297:Male; D008954:Models, Biological; D012726:Sexual Behavior, Animal; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control; D013245:Sterilization, Reproductive