Gastrointestinal parasites in beef cows.
D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000469:parasitology*; D002590:Cestode Infections / Q000469:parasitology / Q000662:veterinary*; D003048:Coccidiosis / Q000469:parasitology / Q000662:veterinary*; D004539:Eimeria / Q000302:isolation & purification; D005243:Feces / Q000469:parasitology; D005260:Female; D005767:Gastrointestinal Diseases / Q000469:parasitology / Q000662:veterinary*; D009349:Nematode Infections / Q000469:parasitology / Q000662:veterinary*; D010270:Parasite Egg Count; D012621:Seasons