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Sharp separation method for housefly larvas

A technology for the isolation of housefly larvae, applied in the direction of animal husbandry, etc., to achieve the effect of reducing manpower, reducing the cost of cultivation, and quickly separating the housefly larvae

Inactive Publication Date: 2008-12-10
GUANGDONG INST OF APPLIED BIOLOGICAL RESOURCES
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

This method can be used in large-scale production, but the larval isolation rate can only reach about 80%

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Get 1000g in the housefly larva compost that has been cultivated for 5 days, adopt the method for artificial separation to obtain 120g of housefly larvae, measure the moisture content of compost to be 65%, then the compost dry weight of 1000g housefly compost is 310g , the larva weighed 120g.

[0012] Take 1000g of the same housefly compost as in the previous step, divide it into 15 parts, and place 3 parts of the compost in a closed space without air exchange. After standing for 30 minutes, an average of 110.2g of larvae crawled out, and the larvae separation rate was 91.8%. 3 parts of composts pass into carbon dioxide with a flow rate of 10mL / min through the air diffuser, and after standing for 30 minutes, 65.2g of larvae climb out on average, and the larvae separation rate is 54.3%; 10g of red phosphorus powder is added in 3 parts of composts, static After standing for 30 minutes, an average of 72.5 g of larvae crawled out, and the larvae separation rate was 60.4%; 1...

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PUM

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Abstract

The invention relates to a quick separation method for Musca domestica larva. The method of the invention is characterized in that the Musca domestica larva is under the hypoxia environment; for example, the culture material with the Musca domestica larva is arranged in a closed space without air exchanging; alternatively, the non-oxygen air is pumped into the culture material; or the culture material is mixed with oxygen consumption chemical substance or the oxygen-consumption micro-organism is added into the culture material, so as to force the Musca domestic larva to automatically climb out of the culture material. The quick separation method of the invention has short time in separation process, the separation rate of the larva can achieve more than 96%, manpower is not required, the cultivation cost of the Musca domestica can be effectively reduced; therefore, the invention is a method which is applicable for the automation cultivation of the Musca domestica.

Description

technical field [0001] The invention relates to a method for rapidly separating housefly larvae, in particular to a method for automatically separating housefly larvae from culture materials by forming an anoxic environment. Background technique [0002] Housefly (Musca domestica) belongs to Insecta, Diptera, Annulus suborder, Muscaidae, has the advantages of strong fecundity, short life cycle, easy to intensive production, easy to raise, etc. It is an excellent animal protein feed, and is used as Internationally listed as the first new protein resources. [0003] The degree of automation of housefly breeding in my country is low, especially the separation of housefly larvae is a process that requires a lot of manpower, thus restricting the large-scale production of housefly. At present, the housefly larva compost used in China mainly contains two categories, one is poultry manure such as chicken manure and pig manure, and the other is agricultural and sideline products suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033
Inventor 韩日畴陈镜华
Owner GUANGDONG INST OF APPLIED BIOLOGICAL RESOURCES
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