TY - GEN AU - Herlich,H AU - Ryan,B M TI - Trichostrongylus axei (Cobbold, 1879) and T. colubriformis (Giles, 1892) Ransom 1911: relationship of larval infectivity to time of patent infections in sheep SN - 0022-3395 PY - 1972///0317 KW - Animals KW - Feces KW - Guinea Pigs KW - Larva KW - pathogenicity KW - Parasite Egg Count KW - Rabbits KW - Sheep KW - Time Factors KW - Trichostrongyloidea N1 - Publication Type: Journal Article ER -