Animal Diseases, Poultry Farming, Technical Articles Chronic respiratory disease in poultry: Case report by Dr. Laishram Kipjen Singh, Dr. Keisam Merina Devi May 1, 2020 1 Chronic respiratory disease (CRD) is an economically important disease of poultry. A case of CRD was recorded from a village. Post mortem examination was conduc... Read more.