Lizhou Tang, Long Yu , Jiangang Chen , Junjie Wang , Mei Ma , Weidong Lu, and Tongzuo Zhang. 2019. “Sequences Polymorphism and Variation of Major Histocompatibility Complex DRB Exon 2 of Black Dahe Pig”. African Journal of Pig Farming 7 (1):1-6. https://elixirpublishers.in/index.php/ajpf/article/view/770.