author(s)
D Mahanta, M Mrigesh, S Sathapathy, Tamilselvan S, Pandit K and Nath S

abstract
The present study was carried out on the six day old chicks of Kadaknath fowl procured from the Instructional Poultry Farm (IPF), Nagla, GBPUA&T, Pantnagar, Uttarakhand. The thymus was reddish-black in colour and consisted of two long chains of lobes located on either side of neck, which were embedded in the subdermal connective tissue. The spleen was globular in shape and bright red in colour. It was located on the right side of the junction between the proventriculus and gizzard. The bursa of Fabricius originated from the proctodeal wall of the cloaca and was placed dorsal to the rectum. It was oval in shape and whitish with blackish tinge in colour. The biometrical data revealed variable results that were specific for this breed.