Slow-release devices for livestock insect control: cattle body surfaces contacted by five types of devices.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004478:Ectoparasitic Infestations / Q000517:prevention & control / Q000662:veterinary*; D005260:Female; D007300:Insect Control / Q000295:instrumentation*; D007306:Insecticides / Q000008:administration & dosage*
D007306:Insecticides