Investigating Pathology and Subtypes (H5 and H9) of Avian Influenza Virus (AIV) Circulating in Ducks, Layers and Broilers. J Bangladesh Agric Univ [Internet]. 2025 Dec. 28 [cited 2026 Jun. 29];23(4):516-23. Available from: https://banglajol.info/index.php/JBAU/article/view/86490