Effect of soybean meal and soluble starch on biogenic amine production and microbial diversity using in vitro rumen fermentation Chang-Dae Jeong, Lovelia L. Mamuad, Seon-Ho Kim, Yeon Jae Choi, Alvin P. Soriano, Kwang Keun Cho, Che-Ok Jeon, Sung Sil Lee, Sang-Suk Lee, Asian-Australasian Journal of Animal Sciences (AJAS) 2015; 28(1)