M, T., FM, M., LY, M., & H, B. (2015). Effect of the use of single dose of prostaglandin F2α in cows after one month of calving, to determine the heat induction in the local cows of suburban area of N’Djamena, Cha. Journal of Research in Biology, 5(4), 1726-1731. Retrieved from https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/383