IMMUNIZING EXPERIMENTS WITH IRRADIATED LARVAE OF SYNGAMUS TRACHEA IN CHICKENS.
D000818:Animals; D002645:Chickens; D006725:Hookworm Infections; D007114:Immunization; D007814:Larva; D011201:Poultry Diseases; D012106:Research; D014132:Trachea; D014611:Vaccination
EXPERIMENTAL LAB STUDY; HOOKWORM INFECTION; IMMUNIZATION; POULTRY DISEASES