This experiment is addicted to the hot chain coccus to the yogurt fermentative process in and the Bulgarian lactobacillus proportion and the fermentation result conducts the research.Because two kind of fungus's is different in fermentative process action mechanism,therefore two mold mushroom spawn's proportions can have the tremendous influence differently regarding the fermentation,will cause the fermentation flavor,the shelf life and so on change in varying degrees. This experimental use dull colony nota...