Studies on the survival of eggs and infective larvae of Ostertagia ostertagi and Cooperia oncophora in herbage.
D004781:Environmental Exposure; D005243:Feces / Q000469:parasitology; D005260:Female; D007814:Larva; D010063:Ovum; D006109:Poaceae / Q000469:parasitology; D013548:Sweden; D014251:Trichostrongyloidea / Q000254:growth & development*; D014887:Weather