EVALUATION OF PROTECTIVE ANTIBODY LEVELS IN LAYING HENS FOLLOWING VACCINATION AGAINST AVIAN INFLUENZA, INFECTIOUS BRONCHITIS, AND NEWCASTLE DISEASE. bulvet [Internet]. 2026 May 17 [cited 2026 Sep. 21];18(2):347-63. Available from: https://ejournal3.unud.ac.id/index.php/buletinvet/article/view/2132