Culture medium for benthic bait organisms for river crab culture and use method of culture medium
A technology for bait organisms and culture medium, applied in the application, animal feed, animal feed and other directions, can solve the problems of affecting the yield of river crabs, deterioration of the substrate, water pollution, etc. Effect
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Embodiment 1
[0023] A kind of substrate for cultured benthic bait organisms of river crabs, comprising the following raw materials in parts by weight:
[0024] 20-30 parts of manure, 10-15 parts of bran, 5-10 parts of soybean meal, 10-15 parts of zeolite powder, 10-15 parts of modified pomelo peel residue, 5-10 parts of seaweed residue, 0.5-1 part of EM bacterial agent .
[0025] The preparation method of described modified pomelo peel residue is as follows:
[0026] a. After pulverizing pomelo peel residue, carry out low-temperature ultra-high pressure treatment to obtain pretreated pomelo peel residue;
[0027] b. Extruding and puffing the pretreated pomelo peel and crushing to obtain modified pomelo peel.
Embodiment 2
[0029] A kind of substrate for cultured benthic bait organisms of river crabs, comprising the following raw materials in parts by weight:
[0030] 20 parts of chicken manure, 10 parts of bran, 5 parts of soybean meal, 10 parts of zeolite powder, 10 parts of modified pomelo peel residue, 5 parts of seaweed residue, and 0.5 parts of EM bacterial agent.
[0031] The preparation method of modified pomelo peel residue is as follows:
[0032] a. Pulverize pomelo peel residue to 200 mesh, and then treat it at 240MPa and 50°C for 40 minutes to obtain pretreated pomelo peel residue;
[0033] b. Add water and mix the pretreated pomelo peel slag evenly to obtain a material with a water content adjusted to 25%, and then add it to a twin-screw extrusion extruder at a temperature of 90°C, a screw speed of 150r / min, and a feed rate of 30kg Under the condition of extruding and puffing under the condition of / h, the obtained puffed product was crushed to 200 mesh to obtain modified pomelo pee...
Embodiment 3
[0035] A kind of substrate for cultured benthic bait organisms of river crabs, comprising the following raw materials in parts by weight:
[0036] 30 parts of pig manure, 15 parts of bran, 10 parts of soybean meal, 15 parts of zeolite powder, 15 parts of modified pomelo peel residue, 10 parts of seaweed residue, and 1 part of EM bacterial agent.
[0037] The preparation method of modified pomelo peel residue is as follows:
[0038] a. Pulverize pomelo peel residue to 400 mesh, and then treat it at 280MPa and 70°C for 20 minutes to obtain pretreated pomelo peel residue;
[0039] b. Add water and mix the pretreated pomelo peel slag evenly to obtain a material with a water content adjusted to 30%, and then add it to a twin-screw extrusion extruder at a temperature of 110°C, a screw speed of 200r / min, and a feed rate of 45kg Under the condition of extruding and puffing under the condition of 1 / h, the obtained puffed product was crushed to 400 mesh to obtain modified pomelo peel r...
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