Bean pulp rainbow trout parr compound feed and preparation method thereof
A compound feed and soybean meal-based technology, applied in the field of rainbow trout feed, can solve problems such as unsatisfactory production performance of rainbow trout, lower economic benefits of breeding, phosphorus pollution in breeding water, etc., to solve the problem of amino acid balance, improve the survival rate of breeding, and biological The effect of high utilization
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Embodiment 1
[0012] Weigh high-quality steamed fish meal 13kg, full-fat puffed soybean 50kg, corn gluten powder 15kg, soybean protein isolate 4kg, brewer's yeast 3kg, squid paste 0.5kg, betaine 0.5kg, flour 5.8kg, soybean lecithin 1.5kg, fish oil 2.5kg, 2.5kg of soybean oil, 0.3kg of methionine, 0.1kg of lysine, 0.3kg of choline chloride, 0.5kg of multivitamins, and 0.5kg of compound mineral salts. After the solid feed material is crushed through a 60-mesh sieve, the full-fat puffed soybean and corn gluten powder are pretreated with phytase, then fully mixed, and then mixed with liquid raw materials (fish oil, soybean oil and water) evenly, extruded Pellet to produce pellet feed with a particle size of 2-3mm.
[0013] In this embodiment, the full-fat puffed soybean and corn gluten meal in the compound feed are pretreated with phytase and basically follow the method of Cain and Garling (1995) (The Progressive Fish-Culturist 57:114-119.), but the concentration of phytase Slightly changed to...
Embodiment 2
[0015] The preparation method of this embodiment is the same as that of Example 1, except that every 100 kg of soybean meal-type rainbow trout juvenile compound feed consists of 14 kg of steamed fish meal, 48 kg of full-fat puffed soybeans, 13 kg of corn gluten powder, 3.5 kg of soybean protein isolate, 5 kg of brewer's yeast, and 0.5 kg of squid paste. kg, betaine 0.5kg, flour 5.3kg, soybean lecithin 2kg, fish oil 2.8kg, soybean oil 2.8kg, methionine 0.4kg, lysine 0.2kg, choline chloride 0.4kg, multivitamin 0.8kg, compound mineral salt 0.8kg and water.
Embodiment 3
[0017] The preparation method of this embodiment is the same as that of Example 1, except that every 100 kg of soybean meal-type rainbow trout juvenile compound feed consists of 10 kg of steamed fish meal, 55 kg of full-fat puffed soybeans, 10 kg of corn gluten powder, 5 kg of soybean protein isolate, 5 kg of brewer's yeast, and 1.0 kg of squid paste. , betaine 1.0kg, flour 3.2kg, soybean lecithin 2.5kg, fish oil 2kg, soybean oil 2kg, methionine 0.5kg, lysine 0.3kg, choline chloride 0.5kg, multivitamin 1.0kg, compound mineral salt 1.0kg and water production.
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