Feedstuff additive prepared by mixed fermentation of plant feedstuff protein and chitin processing-waste and processing method thereof
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A feed additive and plant feed technology, applied in the field of fermentation engineering, can solve the problem of not recycling astaxanthin and the like, and achieve the effects of low cost, large utilization capacity and low cost
Inactive Publication Date: 2009-05-06
GUANGDONG OCEAN UNIVERSITY
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Embodiment 1
[0030] 1,000 kg of crushed soybean meal is moistened with 1,000 L of mixed neutralized waste liquid, and the moistening time is 1 to 2 hours. Then add 5 kg of Bacillus subtilis, 3 kg of feed yeast, and 5 kg of Lactobacillus delbrueckii, stir, mix evenly, start fermentation, aerate once every 3 hours, each aeration time is 30s to 120s, no longer aerate after 30 hours and ensure Airtight and anaerobic conditions, continue to ferment for 60 hours, after the end of fermentation, then dry→crushing→inspection→packaging→finished product.
Embodiment 2
[0032] 1,000 kg of crushed soybean meal is moistened with 1,000 L of mixed neutralized waste liquid, and the moistening time is 1 to 2 hours. Then add 8 kg of Bacillus natto, 5 kg of feed yeast, and 8 kg of Streptococcus thermophilus, stir, mix evenly, start fermentation, aerate once every 6 hours, each aeration time is 30s to 120s, and stop aeration after 40 hours. Ensure airtight and anaerobic conditions, continue to ferment for 48 hours, and then dry → pulverize → inspect → pack → finished product.
Embodiment 3
[0034] 1000 kg of crushed peanut meal is moistened with 800 L of mixed neutralization waste liquid, and the moistening time is 1 to 2 hours. Then add 10 kg of Bacillus subtilis, 5 kg of Candida tropicalis, and 8 kg of Lactobacillus delbrueckii, stir, mix evenly, start fermentation, aerate once every 3 hours, each aeration time is 30s to 120s, and no longer aerate after 33 hours And ensure the airtight and anaerobic conditions, continue to ferment for 56 hours, after the fermentation is over, then dry → smash → inspect → pack → finished product.
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Abstract
The invention relates to a feed additive prepared through mixed fermentation of plant feed protein and the processing waste liquid of chitin and a processing method, which pertains to the field of fermentation engineering. The feed additive takes the plant feed protein and the processing waste liquid of chitin as raw materials, is prepared through adding strains and solid fermentation, and is rich in a plurality of functional components such as astaxanthin, small peptide and probiotics. The feed additive and the processing method can improve the utilization ratio of protein, growth effect of animals as well as survival rate and significantly decrease feed cost; simultaneously, the feed additive and the processing method can also greatly reduce the cost of treating the processing waste liquid of chitin, are conducive to the environmental protection, energy conservation and efficiency increase and have significant social and economical benefits.
Description
technical field [0001] The invention relates to a feed additive and a processing method for mixed fermentation of plant feed protein and chitin production waste liquid, belonging to the field of fermentation engineering. Background technique [0002] Every year, millions of tons of shrimp shells are used as raw materials for chitin production in the world. After the industrial preparation of chitin by acid-base alternation method, a large amount of acid-base wastewater containing astaxanthin and protein will be produced, which will pollute the environment. At present, the conventional treatment methods of chitin production wastewater are biological treatment methods such as oxidation ponds and anaerobic ponds. These methods have the disadvantages of high operating costs, high energy consumption, and incomplete treatment; in addition, the crude protein, Beneficial ingredients such as astaxanthin have not been applied. Usually, astaxanthin is added to aquatic animal feed to s...
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