The effect of lactation week and milking time on physiological and productive performance of holstein cows
By: al-Khashshab, Muna Abd al-Tawwab; Abd al-Rahman, Ali Rabi; Haydar, Amr Muhammad. Fayoum Journal of Agricultural Research and Development. Vol. 20, no. 1 (Jan. 2006), 14 p.
Subjects: Cows; Physiology; Productivity; Reproduction