ABSTRACT

Sheep Keds, Melophagus ovinus (Linnaeus) ................................................... 254 Surveillance/Diagnosis ................................................................................ 254 Control .......................................................................................................... 255

Lice .................................................................................................................... 256 Surveillance/Diagnosis ................................................................................ 256 Control .......................................................................................................... 256

Sheep Bot Fly, Oestrus ovis (Linnaeus) ........................................................... 256 Surveillance/Diagnosis ................................................................................ 256 Control .......................................................................................................... 257

Wool Maggots ................................................................................................... 257 Surveillance/Diagnosis ................................................................................ 257 Control .......................................................................................................... 257

Nuisance Flies, Mosquitoes, Black Flies, Biting Midges, Tabanids ................ 258 Surveillance/Diagnosis ................................................................................ 259

According to the U.S. Department of Agriculture (USDA), there are over 70,500 sheep producers in the United States with a total inventory of over 6 million sheep and lambs. The annual U.S. value of production (sheep and wool) based on 2008 statistics was over $4 billion. There are also over 108,000 goat producers in the United States with over 3 million goats, including Angora, milk, and other goats.