ALEX, RANI, SUSHIL KUMAR, UMESH SINGH, RAJIB DEB, RAFEEQUE R ALYETHODI, B PRAKASH, and GURUDEV SINGH. 2017. “Evaluation of Non-Genetic Factors Affecting Lactation Traits of Frieswal Cows in Northern Zone of India”. The Indian Journal of Animal Sciences 87 (4): 520–522. https://doi.org/10.56093/ijans.v87i4.69616.