Age resistance of cattle to nematodes of the gastrointestinal tract.
D000375:Aging / Q000502:physiology*; D000818:Animals; D002417:Cattle / Q000469:parasitology; D041981:Gastrointestinal Tract / Q000469:parasitology*; D009348:Nematoda
AGING/physiology; CATTLE/parasitology; GASTROINTESTINAL SYSTEM/parasitology; NEMATODA