Method for breeding finless eel by nano feeds
A feed, eel technology, applied in animal feed, animal feed, application and other directions, can solve the problems of inability to kill harmful bacteria, insects, lack of effective control of fish diseases, etc., to reduce the accumulation of toxic substances, inhibit reproduction and growth, maintain The effect of ecological environment
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[0023] The preparation method of described nano sustained-release carrier is:
[0024] (1) The silicon hydroxyapatite, attapulgite, hydrotalcite, montmorillonite, titanium dioxide, calcite, kaolin according to 35-45: 10-15: 10-15: 8-10: 8-10: 7-8 : 5-7 parts by mass are mixed, added to a mixed solution of 230 parts of dimethyl sulfoxide (DMSO) and 50 parts of methanol, stirred at 65°C for 60 hours, filtered, and washed with hot ethanol at a temperature of 60°C for 3 Remove excess dimethyl sulfoxide (DMSO) once, put it into a vacuum drying oven, dry at 60°C for 24 hours, grind and sieve to obtain a primary modified compound;
[0025] (2) Mix 1 part of primary modified compound, 15 parts of potassium acetate and 25 parts of distilled water, stir at 50°C for more than 10 hours, and disperse at 30°C for 3.5 hours under the condition of ultrasonic electric power 350W, and then in Disperse for 4 hours under the condition of ultrasonic electric power 250W. Filter, wash with distill...
Embodiment 2
[0029] The preparation method is the same as in Example 1.
[0030] In the juvenile stage of growing rice field eels, pull them out and raise them separately in five pools, 300 in every pool, put in the microbial rice field eel fertilizer and common rice field eel in the embodiment of the present invention 1 respectively in the four pools according to the dosage of 200kg per mu Fertilizer (control 1, produced by Beijing Century Ames Biotechnology Co., Ltd.), the other pond does not put eel fertilizer (control 2), but puts the same amount of ordinary fish food, and the rest of the feeding amount is the same, and the cultivation environment is the same. After 2-4 months of breeding, comparing its output and the growth status of rice field eels, adding the compound microbial fertilizer of the present invention can promote the rapid growth of rice field eels, increase the EPA content, reduce the diseases of rice field eels, and reduce the number of sick and dead shrimps. Beneficia...
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