Volume: 40 Issue: 2
Year: 2009, Page: 9-11, Doi: https://doi.org/10.51966/jvas.2009.40.9-11
Received: Jan. 25, 2009 Accepted: Aug. 13, 2009 Published: Dec. 31, 2009
Histochemical changes of bursa and thymus of Giriraja birds from day old to 24 weeks of age was studied. Intense acid phosphatase and mild alkaline phosphatase activity was seen in lining epithelium of bursa. The follicle associated epithelium showed positive PAS and alcial blue reaction. Medullary cysts of bursa and intracellular cysts of thymus also stained positive. Lipids were seen from 14th week onwards in thymus.
Keywords: Histochemistry, thymus, bursa, involutary