Microorganism additive agent for improving phylactic power of pets and accelerating growth
A microbial additive, growth-promoting technology, applied in the directions of non-active ingredients of polymer compounds, drug combinations, and medical preparations containing active ingredients, etc. The effect of natural immunity, reducing diarrhea of livestock and poultry, and reducing the viscosity of chyme
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[0039] Step 1: Breeding of Fermentation Strains
[0040] a. Strain subculture: Bacillus subtilis strains, Lactobacillus plantarum and Bifidobacterium provided by the Culture Conservation Center of the Ministry of Agriculture are used to subculture through nutrient agar medium to select and breed strains with fast growth and obvious colony characteristics. Preserve strains at ℃ temperature;
[0041] b. Compound induction of strains: the preserved Bacillus subtilis was diluted to 10 with 0.9% normal saline -5 -10 -7 , treat the bacterial suspension with low heat in a microwave oven for 30S, count by hemocytometer, spread the treated bacterial suspension on a starch medium plate, and culture it upside down at 38°C for 48 hours, and select the cultured one. Colonies with a ratio of the diameter of the transparent circle to the diameter of the colony (HC value) greater than 0.6 are inoculated into nutrient agar test tubes for preservation; the preserved strains are made into a ba...
Embodiment 2
[0061] Step 1: Breeding of Fermentation Strains
[0062] (1) strain passage: with embodiment 1;
[0063] (2) Composite induction of strains: the preserved Bacillus subtilis was diluted to 10 with 0.9% normal saline -5 -10 -7 , treat the bacterial suspension in a microwave oven with low heat for 50 seconds, count by hemocytometer, spread the treated bacterial suspension on a starch medium plate, and invert it for 48 hours at a temperature of 35°C, and select the cultured one. Colonies with a ratio of the diameter of the transparent circle to the diameter of the colony (HC value) greater than 0.6 are inoculated into nutrient agar test tubes for preservation; the preserved strains are made into a bacterial suspension and diluted to 10 -6 , treated with a UV lamp (wavelength: 260nm) with a power of 15W at 30cm for 15s, and the treated bacterial suspension was cultured upside down on a nutrient agar plate at 35°C for 48h, and the colony with a fast growth rate was selected for a ...
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