ECOLOGY AND BIOLOGICAL PLASTICITY OF SHEEP NEMATODES. 3. STUDIES ON OSTERTAGIA CIRCUMCINCTA (STADELMANN 1894).
D000818:Animals; D004463:Ecology; D004739:England; D009348:Nematoda; D010028:Ostertagia; D010063:Ovum; D012098:Reproduction; D012106:Research; D012756:Sheep; D034561:Sheep, Domestic; D013696:Temperature; D014481:United States
ECOLOGY; ENGLAND; EXPERIMENTAL LAB STUDY; NEMATODA; OVUM; REPRODUCTION; SHEEP; TEMPERATURE; UNITED STATES