FACTORS AFFECTING REPRODUCTIVE AND PRODUCTIVE EFFICIENCY OF NILI RAVI BUFFALOES (Bubablus Bubalis) IN PUNJAB, PAKISTAN - M. A. Yasir1; A. Sattar; M. Z. Tahir; M. Akhtar; M. Binyameen1and Hammad-ur-Rehman (Journal of Animal and Plant Sciences, 2020)