5Hosoyama H, Obata A, Tsuji H, et al. Studies on the reduction of soybean allergenicity:Part I[M]. Nippon Nogeikagaku Kaishi, 1994: 343.
6Bersanetti P A, Ho-Yong Park, et al. Characterization of arazyme, an exocellular metalloprotease isolated from Serratia proteamacu- lans culture medium[J].Enzyme and Microbial Technology, 2005, (37): 574-581.
7Ghazi S, Rooke T A, Galbraith H, et al.The potential for improv- ing soy-bean meal in diets for chickens:treatment with different proteolytic enzyme[J].British Poultry Science, 1997(37):554-555.
8Zenella 1, Sakomura N K, Silversides F G, et al. Effect of en- zyme supplementation of broiler diets on corn and soybeans[J]. Poultry Science, 1999(78):561-568.