The spleen is the largest secondary lymphoid organ in birds and plays a fundamental role in immune functioning. Comparative information on the post-hatch development of the spleen is crucial for understanding differences in immunocompetence between indigenous and commercial chick...
Open access
Research Article10.9734/air/2026/v27i51734
Background: The thymus is a primary lymphoid organ involved in avian T-lymphocyte development. Comparative information on thymic development in Haringhata Black and commercial broiler chickens is limited. Aim: The study aims to compare the gross morphology, morphometry, histology...
Open access
Research Article10.9734/arrb/2026/v41i82432
Aims: The present study was conducted to examine the morphological and histological organisation of the proventriculus and gizzard of the budgerigar (Melopsittacus undulatus). Study Design: The investigation was conducted on 6 adult budgerigar birds, comprising 3 birds of each se...
Open access
Research Article10.9734/arrb/2026/v41i102467