6、ctswithmicrobial fermentationtechnologyisa hot researchat home and abroad currently.The foreign industrialproductshavebeenformed. However,the domestic industryisstillin the early stagesinthisarea. Inthisstudy,soybeanmealwasfermented withAspergillusniger
7、,Bacillussubtilis,Yeast,andLactobacillus.Use protease activityand acid soluble proteincontent ofsoybeanmealasindicators,studythe effectofsingle and mixed microbe fermentationonnutritive value ofsoybeanmeal.The bestfermentationconditionisfound bysingle a
8、nd mixed microbe fermentationsoybeanmeal.Onthisbasis,the multistrain bionic fermented soybean mealonproductionperformanceoflactating sows.Experiment 1: Growthcurve ofdifferentexperimentalmicrobe and determine the inoculationtime.