The Biology and Control of Cattle Lice

abdomen adult female Babcock and Cushing barn Bishopp Black Leaf 155 Bovicola bovis cattle lice cattle louse control celite control all species control cattle lice control of cattle cows Craufurd-Benson 1941 cube dairy cattle derris dorsal dusting sulfur eattle effective Ferris Figure gallons water Haematopinus eurysternus Haematopinus tuberculatus hair coat hatching heavy infestations heifers Hellebore herd host animals incubation period infested animals insecticides instar instar nymph Ithaca kill Lamson lateral margins lethane 60 Linognathus vituli linseed oil louse infestation louse populations male nicotine noted nymphs oviposition pasture puff duster pyrethrum reared relative humidity rotenone Sabadilla on wettable sát savol sclerotic segment setae skin temperature sodium fluoride Solenopotes capillatus soli soll species of cattle spray base oil Stimtox sucking lice Thanite Velsicol vino wettable sulfur winter yam bean