Igwe et al. 2017b
Sokoto Journal of Veterinary Sciences, Volume 15 (Number 2). August, 2017 Evaluation of pathological changes of natural infectious bursal disease virus infection in the lymphoid organs of Black Harco pullets AO Igwe1*, OJ Nwachukwu1, CN Chinyere2 & I Shittu2 1. Department of Veterinary Pathology, College of Veterinary Medicine,