Shrestha, Niraj, et al. “Comparing the Effectiveness of 7-Day Vs 9-Day CIDR Placement for the Treatment of Postpartum Anestrus in Crossbred Dairy Cows”. Journal of Agriculture and Forestry University, vol. 6, no. 1, May 2025, pp. 141-8, doi:10.3126/jafu.v6i1.78164.