Hossain, Faruk, Md Golam Sorowar, Sharmin Akter Suma, Abdullah Al Mansur, Md Mahbubul Hoque, and Quazi M Emdadul Huque. “Variation of Semen Quality Among Three Generations (F1, F2 and F3) of Holstein Friesian Upgraded Breeding Bulls of Bangladesh”. Research in Agriculture Livestock and Fisheries 7, no. 3 (December 31, 2020): 457–463. Accessed May 5, 2024. https://banglajol.info/index.php/RALF/article/view/51365.