Preparation method of fermented feed easy to absorb by animals
A fermented feed and animal technology, applied in animal feed, animal feed, application, etc., can solve the problems that hinder the absorption and utilization of nutrients by animals, and achieve the effect of promoting animal absorption, reducing the ratio, and promoting absorption and utilization
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Embodiment 1
[0012] Soybean meal and bran were mixed at a ratio of 8:3 to make a soybean meal fermentation substrate, and the sterilized Bacillus natto starter was added to the soybean meal fermentation substrate with an inoculation amount of 5%, and fermented at 30°C for 48 hours to obtain a fermented feed.
[0013] The bacillus natto starter is prepared by culturing the bacillus natto at 37°C for 10 hours on a broth slant medium.
[0014] The water content of the soybean meal fermentation substrate is 35%.
[0015] The broth slant medium is made of beef extract, peptone and NaCl in a ratio of 1:2:1.
[0016] The soybean meal and bran are ground and passed through a 40-mesh sieve.
Embodiment 2
[0018] Mix soybean meal and bran at a ratio of 8:3 to make a soybean meal fermentation substrate, add 10% inoculum of the sterilized Bacillus natto starter into the soybean meal fermentation substrate, and ferment at 25°C for 48 hours to obtain a fermented feed.
[0019] The bacillus natto starter is prepared by culturing the bacillus natto at 37°C for 10 hours on a broth slant medium.
[0020] The water content of the soybean meal fermentation substrate is 40%.
[0021] The broth slant medium is made of beef extract, peptone and NaCl in a ratio of 1:2:1.
[0022] The soybean meal and bran are ground and passed through a 40-mesh sieve.
Embodiment 3
[0024] Mix soybean meal and bran at a ratio of 8:3 to make a soybean meal fermentation substrate, add 10% inoculum of the sterilized Bacillus natto starter into the soybean meal fermentation substrate, and ferment at 25°C for 48 hours to obtain a fermented feed.
[0025] The bacillus natto starter is prepared by culturing the bacillus natto at 37°C for 10 hours on a broth slant medium.
[0026] The water content of the soybean meal fermentation substrate is 35%.
[0027] The broth slant medium is made of beef extract, peptone and NaCl in a ratio of 1:2:1.
[0028] The soybean meal and bran are ground and passed through a 40-mesh sieve.
[0029] The degrees of hydrolysis of proteins in the three groups of experiments were 18.57%, 20.53%, and 20.74%, respectively, and the reduction ratios of anti-nutritional factors were 88.37%, 92.85%, and 94.26%, respectively.
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