قوت مدافعت اور اس کی اہمیت ، جسم بیماریوں کے خلاف کیسے کام کرتا ہے؟

Dr. Jassar Aftab is a qualified Veterinarian having expertise in veterinary communication. He is a renowned veterinary Journalist of Pakistan. He is veterinary columnist, veterinary writer and veterinary analyst. He is the author of three books. He has written a number of articles and columns on different topics related to livestock, dairy, poultry, wildlife, fisheries, food security and different aspects of animal sciences and veterinary education.