Bacillus natto feed additive
A technology of Bacillus natto and feed additives, applied in the field of feed additives, can solve the problems of no direct utilization of nutritional value of farmed animals, unsatisfactory compatibility and application, affecting the survival of bacteria, etc. The effect of enhancing nutritional function
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Embodiment 1
[0054] Preparation of seabuckthorn freeze-dried powder, prickly pear freeze-dried powder, Physalis freeze-dried powder, blackcurrant freeze-dried powder, cactus freeze-dried powder:
[0055] Take fresh and mature seabuckthorn, prickly pear, physalis, black currant, cactus, remove impurities such as fruit stems and rotten fruits, rinse with 40°C aqueous solution containing 0.1% citric acid by weight, and rinse for 15 minutes under constant stirring. Rinse in pure water for 3 times, remove and dry the water; put seabuckthorn, prickly pear, physalis, blackcurrant, and cactus into plates and put them into the freezer, and quickly cool down to below -45°C; freeze the frozen seabuckthorn and prickly pear respectively , physalis, blackcurrant, and cactus are moved into the sublimation dryer, the sublimation temperature is controlled at -22--32°C, and the vacuum degree is 120-150Pa, so that the material is dried to moisture 100 mesh to obtain freeze-dried seabuckthorn powder, freeze-dr...
Embodiment 2
[0057] Use the corresponding optimized medium, use liquid culture fermentation equipment to separately culture Candida utilis, Candida tropicalis, brewer's yeast, brewer's yeast and feed yeast, and then use a high-speed centrifuge to separate the bacteria in the fermentation broth, Dry the sludge by vacuum freeze-drying to obtain Candida utilis dry powder with a live bacteria content of 20 billion / g, Candida tropicalis dry powder with a live bacteria content of 20 billion / g, and a live bacteria content of 200 Brewer's yeast dry powder with a live bacteria content of 20 billion / gram, brewer's yeast dry powder with a live bacteria content of 20 billion / gram, and feed yeast dry powder with a live bacteria content of 20 billion / gram.
Embodiment 3
[0059] Preparation of fermented eggshell powder:
[0060] Clean egg shells or one or more mixed egg shells of duck egg shells, goose egg shells, and quail egg shells, dry the water, put them in a far-infrared dryer, and dry them with hot air at 300°C for 1 hour, then take them out Let it cool, and crush it into 45-mesh powder; weigh 80 kg of eggshell powder, add an appropriate amount of pure water to make the water content of the material 50% (W), then add 20 kg of brewer’s yeast dry powder obtained in Example 2, and mix well Then put it into a plate, put it into a fermentation room, and ferment for 70 hours at a temperature of 32°C. After the fermentation is over, adjust the fermentation material to a temperature of 90°C and a temperature of 90%, and carry out carbonyl ammonia reaction for 26 days, and then The material is dried in an electric oven at no more than 100°C until the moisture content is less than 5% (W), crushed with a universal grinder, and passed through 100 si...
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