Preparation method of fish feed containing probiotics

• Main Author: YANG XIUPING
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2017
• Subjects: FODDER; FOODS OR FOODSTUFFS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HUMAN NECESSITIES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention discloses a preparation method of fish feed containing probiotics. The preparation method mainly comprises steps as follows: (1) an MRS liquid medium is inoculated with activated bacillus subtilis for fermentation, and fermentation liquor is obtained after fermentation lasts for 24 h; (2) sodium alginate and chitosan are added to water respectively in the mass ratio being 1:100, and the two solutions are stirred uniformly respectively and mixed for standby use; (3) the fermentation liquid is added to the solution obtained in step (2) under an aseptic condition, the mixture is sufficiently and uniformly mixed by a magnetic stirrer at the speed of 100 r/min, and a homogeneous solution is formed; (4) spray drying is performed, and a powdery product is obtained; (5) powder in the step (5) is mixed with bean cakes, fish meal, bran, rice bran and fish oil, the mixture is pelletized, and pellet feed is obtained. The compound feed can reach a yield increasing effect, can also improve the water quality a