S. B. R, D. N. M, Y. H. M, A. K. M. C, and C. M. V, “Age related effect on pregnancy rate and pregnancy wastage in thoroughbred mares bred during different heat cycles postpartum under subtropical conditions”, Indian J of Anim Sci, vol. 93, no. 04, pp. 349–352, May 2023, doi: 10.56093/ijans.v93i04.124643.