Method for preparing antibiotic-free high-live bacterium fermented feed for livestock and poultry
A technology of fermented feed without antibiotics, which is applied in the field of preparation of fermented feed for livestock and poultry, can solve the problems of incomplete antigen removal, single strain of bacteria, and low fermentation, so as to improve the quality of livestock and poultry meat, improve feed conversion rate, The effect of reducing environmental pollution
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Embodiment 1
[0024] A fermented feed for livestock and poultry without antibiotics and high viable bacteria with a one-way air outlet valve device and a preparation method thereof.
[0025] 1) The composition of the present invention is: Fattening livestock and poultry feed: 66% corn, 18% soybean meal, 8% cottonseed meal, 6% bran, and 2% premix.
[0026] 2) The preparation method described above: pulverize the above-mentioned raw materials to 30 mesh, and mix them evenly according to the formula ratio for later use; inoculate yeast and Bacillus subtilis into a fermenter with aeration device respectively, and expand the culture in a suitable medium 18-24 hours; then inoculate Lactobacillus and Streptococcus lactis into a fermenter without aeration device respectively, and expand the culture anaerobically in a suitable medium for 44-48 hours. All to be tested reach 10 9 When the density of cfu / g is used, according to the ratio of yeast: Bacillus subtilis: Lactobacillus: Streptococcus lactis...
Embodiment 2
[0028] A fermented feed for livestock and poultry without antibiotics and high viable bacteria with a one-way air outlet valve device and a preparation method thereof.
[0029] 1) The composition of the present invention is as follows: milk feed for livestock and poultry: 66% of corn, 18% of soybean meal, 8% of cottonseed meal, 4% of bran, and 4% of premix.
[0030] 2) The described preparation method: pulverize the above-mentioned raw materials to 60 mesh, and mix them evenly according to the formula ratio for subsequent use; inoculate yeast and Bacillus subtilis into a fermenter with aeration device respectively, and expand the culture in a suitable medium. 18-24 hours; then inoculate Lactobacillus and Streptococcus lactis into a fermenter without aeration device respectively, and expand the culture anaerobically in a suitable medium for 44-48 hours. All to be tested reach 10 9 When the density of cfu / g is used, according to the ratio of yeast: Bacillus subtilis: Lactobacil...
Embodiment 3
[0032] like figure 1 As shown, the packaging bag of the one-way air outlet valve device in the above-mentioned embodiment 1 and embodiment 2, the packaging bag is selected from PE composite packaging bag, and the film used is selected from 5-layer composite film 1. like figure 2 As shown, the one-way air outlet valve device includes a valve seat 2 and a valve cover 3, the bottom of the valve seat 2 is provided with an annular bonding portion 14, and the annular bonding portion 14 is thermally bonded to the inner side of the packaging bag; The middle of the bonding portion 14 is provided with a first notch 9, and the first notch 9 is provided with a circular truncated boss 12, the valve cover 3 is buckled on the circular truncated boss 12, and the valve cover 3 is circumferentially inside The wall is provided with an annular oblique groove 13 , and the annular oblique groove 13 is matched with the circular frustum-shaped boss 12 . An internal cavity 10 is formed between the ...
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