OBSERVATIONS ON THE INCIDENCE OF CHORIOPTIC  ACARIASIS OF SHEEP IN THE UNITED STATES.
D000818:Animals; D004813:Epidemiology; D015994:Incidence; D008924:Mite Infestations; D008925:Mites; D012756:Sheep; D012757:Sheep Diseases; D034561:Sheep, Domestic; D014481:United States
EPIDEMIOLOGY; MITE INFESTATIONS; MITES; SHEEP DISEASES; UNITED STATES