Effect of cooling on production and physiological performance of dairy cows (Holstein-Friesian & jersey) in subtropical environment of Peshawar, Pakistan

Numan Ali , Ihsan Ulla , S. M. Suhail , Sayed Haider Abbas Raza , Muhammad Saeed , Shahid-ur-rehman. , Fawwad Ahmad. , Arian M. A. , Soomro R. N , MuhammadArif , Hafiz Muhammad Zakria. , Muhammad Adeel Hassan. , Md. Reyad-ul-ferdous