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Surface-mounted feed for growth promotion and color enhancing of juvenile goldfish

A technology for promoting growth and grass goldfish, applied in animal feed, animal feed, application, etc., can solve the problems that hinder the utilization of algae resources in water blooms, fish growth, development, and reproductive toxicity, etc., to improve the level of absorption and deposition, color Brilliant and beautiful effect

Inactive Publication Date: 2019-09-20
TIANJIN AGRICULTURE COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cyanobacteria, including spirulina, are rich in nutrients such as protein, sugar, lipid, pigment, and vitamins. However, in the natural environment, blooming cyanobacteria include two ecological types, namely, non-toxic cyanobacteria and toxin-producing cyanobacteria, and toxin-producing cyanobacteria. It can produce cyanotoxins mainly microcystins, which have a certain toxic effect on the growth, development and reproduction of fish, thus seriously hindering the resource utilization of water bloom cyanobacteria

Method used

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  • Surface-mounted feed for growth promotion and color enhancing of juvenile goldfish
  • Surface-mounted feed for growth promotion and color enhancing of juvenile goldfish
  • Surface-mounted feed for growth promotion and color enhancing of juvenile goldfish

Examples

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preparation example Construction

[0012] The preparation method of the fresh detoxified water-bloom cyanobacteria mud is as follows: the fresh water-bloom cyanobacteria mud that has just been salvaged ashore is detoxified by an ultrasonic cell disruptor, ultrasonically crushed at a frequency of 150-200kHz for 15-25min, and then 3000 rpm After centrifuging for 10 minutes to remove the supernatant, fresh detoxified water-bloom cyanobacteria mud with a water content of 90%-95% can be obtained, and the percentages are mass percentages.

[0013] Preferably, the patch feed includes the following components according to mass percentage: 40%-45% of fresh detoxified water bloom cyanobacteria algae mud; 10%-12% of fish meal; 10%-12% of soybean meal powder; 8%-10% of secondary powder ; Bran 6%-10%; Wheat Flour 8%-10%; Corn Flour 6%-8%; Fish Oil 1%-1.5%; Sodium Alginate 0.9%-1.2%; Calcium Chloride 0.05%-0.1%; Elements 0.05%-0.1%; vitamins 0.05%-0.1%.

[0014] The preparation method of above-mentioned juvenile grass goldf...

specific Embodiment

[0022] 1. Preparation of fresh detoxified water bloom cyanobacteria mud: 30 kg of water bloom cyanobacteria were manually salvaged from the breeding tail water circulation channel where cyanobacteria bloom broke out. Detoxification instrument, ultrasonic crushing at 200kHz frequency for 20min, and then centrifuged at 3000rpm for 10 minutes to remove the supernatant to obtain fresh detoxified water bloom cyanobacteria mud; then the detection found the cyanotoxin content of fresh detoxified water bloom cyanobacteria mud It is 0.6 ng / kg (based on common microcystin MC-LR).

[0023] 2. Low-cost patch feed formula for juvenile goldfish 1

[0024] Fresh detoxified bloom cyanobacteria algae mud 42%; fish meal 11%; soybean meal 11%; subflour 9%; bran 8.5%; wheat flour 9%; Calcium 0.1%; trace element 0.1%; vitamin 0.1%.

[0025] 3. Preparation of low-cost patch feed formula for juvenile goldfish 1

[0026] 11% fish meal, 11% soybean meal meal, 9% secondary meal, 8.5% bran, 9% wheat ...

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Abstract

The invention discloses surface-mounted feed for growth promotion and color enhancing of juvenile goldfish. The feed comprises, by mass, 40%-45% of fresh detoxified bloom-forming cyanobacteria mud in water content of 90%-95%, and the content of cyanotoxins is lower than 1.0nanogram / kg. The fresh detoxified bloom-forming cyanobacteria mud is bloom-forming cyanobacteria mud subjected to ultrasonic treatment for detoxification. The fresh detoxified bloom-forming cyanobacteria subjected to ultrasonic treatment is rich in natural pigments such as carotenoid and phycocyanobilin, vitamins and essential amino acids, and by further adoption of other basic ration nutritional components, immunity of the juvenile goldfish can be remarkably improved while fast growth of the juvenile goldfish is promoted; in addition, the carotenoid absorption and accumulation level of fish bodies can be raised, so that the goldfish can be colorful and elegant.

Description

technical field [0001] The invention relates to a fish feed, in particular to a patch feed used for growth promotion and color enhancement of juvenile goldfish. Background technique [0002] At present, there are many kinds of feeds for the large-scale cultivation of ornamental fish, grass and goldfish juveniles. Most of the feeds are added with seaweed powder, astaxanthin and astaxanthin to improve immunity and enhance color. However, due to seaweed powder, astaxanthin Such materials are expensive, resulting in less addition of the above-mentioned materials that can improve immunity and color enhancement in actual production, which eventually leads to slow growth, low immunity, dark body color, and lack of gorgeousness of grass gold carp juveniles. [0003] Spirulina is the main material to improve the immunity and body color of juvenile grass goldfish, while the commercially available spirulina powder comes from large-scale cultivation, the price is high, and a large amoun...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K10/16
CPCA23K10/16A23K50/80Y02A40/818
Inventor 毕相东戴伟郭永军董少杰
Owner TIANJIN AGRICULTURE COLLEGE