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Preparation method of palatability-type insect powder feed for fish

A technology for fish feed and insect meal, which is applied in the molding or processing of animal feed, animal feed, animal feed, etc., can solve the problems of easy oxidative rancidity, poor palatability, and high protein content, shortening nutrient transformation time, and enhancing resistance. effect on regulating lipid metabolism

Inactive Publication Date: 2018-05-18
郦璋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is aimed at the problem that the current common insect meal fish feed has bad taste, high protein content and easy oxidative rancidity in the process of eating spoiled food, which leads to poor palatability. defect, a preparation method of palatable insect meal fish feed is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0025] Collect discarded kitchen waste, mix lactic acid bacteria powder and discarded kitchen waste at a mass ratio of 1:20 to obtain a mixture, stack the mixture in the breeding room, control the temperature in the breeding room to 35°C, and the relative humidity of the air to be 60%, left to stand for 3 days and fermented for 3 days to obtain a fermentation heap; put the black soldier fly larvae into the above-mentioned fermentation heap according to the amount of 20 / kg, reduce the temperature in the breeding room to 26 ° C, let it stand for 9 days, and breed After the end, capture and collect the black soldier flies after breeding; kill the collected black soldier flies at a high temperature of 120°C, then put the killed black soldier flies into a tissue grinder and grind them for 1 hour to obtain crushed objects, and grind the crushed objects Rinse 3 times with normal hexane and deionized water respectively to obtain the pretreated pulverized product; mix the pretreated pul...

example 2

[0027] Collect discarded kitchen waste, mix lactic acid bacteria powder and discarded kitchen waste at a mass ratio of 1:20 to obtain a mixture, stack the mixture in the breeding room, control the temperature in the breeding room to 37°C, and the relative air humidity to be 65%, leave it to stand for 4 days and ferment for 4 days to obtain a fermentation heap; put the black soldier fly larvae into the above-mentioned fermentation heap according to the amount of 35 / kg, reduce the temperature in the breeding room to 27°C, let it stand for 11 days, and breed After the end, capture and collect the black soldier flies after breeding; kill the collected black soldier flies at a high temperature of 120°C, then put the killed black soldier flies into a tissue grinder and grind them for 1 hour to obtain crushed objects, and grind the crushed objects Rinse 4 times with normal hexane and deionized water respectively to obtain the pretreated pulverized product; mix the pretreated pulverize...

example 3

[0029]Collect discarded kitchen waste, mix lactic acid bacteria powder and discarded kitchen waste at a mass ratio of 1:20 to obtain a mixture, stack the mixture in the breeding room, control the temperature in the breeding room to 38°C, and the relative air humidity to be 70%, leave it to stand for 5 days and ferment for 5 days to obtain a fermentation heap; put the black soldier fly larvae into the above-mentioned fermentation heap according to the amount of 50 / kg, reduce the temperature in the breeding room to 28°C, let it stand for 12 days, and breed After the end, capture and collect the black soldier flies after breeding; kill the collected black soldier flies at a high temperature of 120°C, and then put the killed black soldier flies into a tissue grinder for 2 hours to obtain crushed matter, and crush the crushed matter Rinse 5 times with normal hexane and deionized water respectively to obtain the pretreated pulverized product; mix the pretreated pulverized product and...

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Abstract

The present invention relates to the technical field of aquaculture and particularly relates to a preparation method of a palatability-type insect powder feed for fish. Firstly, protein and various nutrient-enriched kitchen wastes are used as culture materials, the culture materials and lactic acid bacteria are mixed, the mixture is subjected to stack fermentation, and stacking is conducted at anoptimum temperature of the lactic acid bacteria, so that the lactic acid bacteria compete with other indigenous bacteria species in the kitchen wastes, the lactic acid bacteria become an advantage population in the kitchen wastes, smell-unpleasant substances produced by fermentation of the indigenous bacteria species are reduced, and thus a problem of poor self-smell of hermetia illucens caused bytaking the kitchen wastes with the smell-unpleasant substances is fundamentally avoided. In addition, the lactic acid bacteria are as a probiotic, can promote digestion of the hermetia illucens, shorten time of nutrient conversion, and improve production efficiency of the feed. In addition, an addition of the lactic acid bacteria can produce lactic acid and the production of the lactic acid can improve feed palatability.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for preparing palatable insect meal fish feed. Background technique [0002] With the increasing degree of intensification, the aquaculture industry has an increasing demand for high-quality protein sources, while traditional protein sources (such as fishmeal) have a shortage of resources, and the contradiction has become increasingly prominent. Therefore, in recent years, research on alternative fishmeal protein sources has been continuously focused at home and abroad to ensure the sustainable development of the aquaculture industry. In view of the amount of resources and availability, most of the protein used to replace fish meal comes from non-animal protein sources such as legumes, oilseeds, and grain proteins. However, there are many limiting factors in plant protein sources, such as poor palatability, amino acid Imbalance, presence of anti-nutritional factors,...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K40/10A23K10/20A23K10/30A23K10/12A23K50/90A23K10/26A23K10/37
CPCA23K10/12A23K10/20A23K10/26A23K10/30A23K10/37A23K40/10A23K50/80A23K50/90Y02P60/87
Inventor 陈龙林茂兰
Owner 郦璋
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