Composite and premixed forage for shrimps
A technology for compounding premix and raw materials, applied in animal feed, animal feed, climate change adaptation and other directions, can solve the problems of not being able to make up for losses, increase costs, increase the amount of vitamins added, etc., to improve the utilization rate of bait, The effect of improving water quality and increasing growth rate
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preparation example Construction
[0034] The preparation method of described shrimp compound premix, it may further comprise the steps:
[0035] 1) material preparation: prepare various raw materials by the material composition and the proportioning of the shrimp compound premix described in claim 1, will select the material with poor water absorption, good fluidity, need not dry.
[0036] 2) Pre-treatment of raw materials: raw materials should be dehydrated, dried and pulverized, including the pulverization of carriers and major elements and micro-crushing of trace elements; some micro-materials with strong water absorption need to be dried after being stored for a period of time, and then pulverized. The crushing particle size is 100-300 mesh, and the particle size of the carrier is 100 mesh.
[0037] 3) Ingredients and mixing: vitamins and minerals are weighed and fed in proportion, and mixed in the mixer. When mixing, the carrier is first put in, and then various corresponding ingredients are added. Large...
experiment example 1
[0039] Experimental Example 1: Jinnan District Aquatic Technology Extension Station, Tianjin, raised Penaeus vannamei with the premix of the present invention, and simultaneously compared with feed without masking agent, put 50,000 seedlings per mu, through 120 days of cultivation, mu Produce 800 jins, control group yields 710 jins per mu, increase production 90 jins (increasing yield rate 11%).
experiment example 2
[0040]Experimental Example 2: Tianjin Jixian Aquatic Technology Extension Station, raised Penaeus vannamei with the premix of the present invention, and simultaneously compared with the feed without masking agent, put 40,000 seedlings per mu, and through 120 days of cultivation, the yield per mu 695 jin, the yield per mu of the control group was 620 jin, an increase of 70 jin (10.8% yield increase).
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