Natural populations of helminths in Wisconsin dairy cows.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D005243:Feces / Q000382:microbiology; D005260:Female; D006373:Helminthiasis / Q000382:microbiology; D006374:Helminthiasis, Animal; D010270:Parasite Egg Count / Q000379:methods; D012621:Seasons; D014922:Wisconsin