The effectiveness of immunization to Newcastle disease, avian infectious bronchitis and avian infectious coryza with inactivated combined vaccines.
D000818:Animals; D001428:Bacterial Vaccines; D001991:Bronchitis / Q000517:prevention & control / Q000662:veterinary*; D002645:Chickens; D006192:Haemophilus Infections / Q000517:prevention & control / Q000662:veterinary*; D009521:Newcastle Disease / Q000517:prevention & control*; D011201:Poultry Diseases / Q000517:prevention & control*; D012141:Respiratory Tract Infections / Q000517:prevention & control / Q000662:veterinary*; D014611:Vaccination / Q000662:veterinary*; D014613:Vaccines, Attenuated; D014765:Viral Vaccines; D014777:Virus Diseases / Q000517:prevention & control / Q000662:veterinary*
D001428:Bacterial Vaccines; D014613:Vaccines, Attenuated; D014765:Viral Vaccines