Marek’s disease is a highly contagious disease of poultry mainly affecting young birds caused by Herpes virus and characterized by thickening of nerves and malignant lymphoma in gonads and other visceral organs. ....
Marek’s disease is a highly contagious disease of poultry mainly affecting young birds caused by Herpes virus and characterized by thickening of nerves and malignant lymphoma in gonads and other visceral organs. ....