This study researched and analyzed the production
process of lysine and methionine that had been
prepared by Bacillus natto and Leuconostoc mesenteroides
fermentation, this process has a high feasible,
CP was 56.8%, methionine content was 43.56 mg • g-1,
and lysine content was 74.872 mg • g-1. In this study,
there was relationship between cow's milk yield and