Mustafa M, Islam M, Rahman M. Effect of feed on the performance of upgraded Holstein Friesian bulls during fattening at BAPARD cattle farm in Bangladesh. Asian J. Med. Biol. Res. [Internet]. 2021 Jan. 7 [cited 2024 Jul. 27];6(4):761-7. Available from: https://banglajol.info/index.php/AJMBR/article/view/51244