Raw adult fish expanded feed special for ovulatory period and preparation method thereof
A technology of extruded feed and raw fish, which is applied in the direction of animal feed, animal feed, molding or processing of animal feed, etc., to achieve the effect of improving immunity
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[0031] A method for preparing silkworm chrysalis antimicrobial peptide protoplasm, comprising the following steps: firstly, all the silkworm chrysalis used are induced by injecting 40 μL of 103 Nocardia bacteria, so that the silkworm chrysalis can produce specific antibacterial peptide; Soak in 1% salt water for 1-2 hours, filter with a mesh sieve, drain the salt water and impurities, use the prepared 0°C ice-water mixture, according to the ratio of silkworm chrysalis: ice-water mixture = 1:1, pass through a colloid mill and a pulverizer The silkworm chrysalis is beaten into pulp; finally, the silkworm chrysalis antimicrobial peptide puree preparation mixture is obtained after mixing the silkworm chrysalis puree and soybean meal at a ratio of 1:1.
[0032] A method for preparing an immune-enhancing Chinese herbal medicine preparation, the preparation method comprising the following steps: first, respectively weighing mulberry leaves, hawthorn, andrographis paniculata, Eucommia tw...
Embodiment 1
[0036] Among the extruded feed for raw fish and adult fish specially used for the ovulation period, in terms of air-dried matter: 26.5 parts of Peruvian super fish meal, 7 parts of chicken bone meal, 10 parts of fermented soybean meal, 6 parts of pork powder, 5 parts of spray-dried blood globulin powder, squid 3 parts of offal powder, 4 parts of intestinal membrane protein powder, 6 parts of soybean protein concentrate, 19 parts of high-gluten flour, 4.5 parts of refined fish oil, 2 parts of raw fish vitamin premix, 4 parts of raw fish mineral and other functional premix , 1 part of silkworm chrysalis antimicrobial peptide puree preparation mixture, and 2 parts of immune-enhancing Chinese herbal medicine preparation mixture. The specific ratio is shown in the table.
[0037] After the above raw materials are pulverized, they are mixed according to the above proportions, and after ultrafine pulverization, they are extruded and granulated by an extruder at low temperature. The ...
Embodiment 2
[0044] The special-purpose raw fish adult fish puffed feed of the present invention is carried out the large pond verification test of the farm, and the result shows that Wu Boss, Jiujiang Town, Nanhai District, Foshan City used 2 ponds for the test. The test group was fed with extruded raw fish feed specially for ovulation period, and the control group was fed with ordinary raw fish extruded feed.
[0045] In the test group, the water surface of the breeding farm is 3 mu, and 30,000 fish are released, with an average of 1.5 catties / tail, and 175 packs of materials are used. From February 20, 2019 to March 20, 2019, the breeding cycle is 30 days, and the cumulative weight gain is 5880 Jin commercial fish, the feed coefficient is 1.19, the breeding process is smooth, and the survival rate is about 98.1%.
[0046] The water surface of the breeding farm in the control group is 3 mu, and there are 30,000 raw fish in Dingtang, with an average of 1.5 catties / tail, and 162 packs of ma...
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