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Industrial method of cultivating clean fly maggot

A factory-like, clean technology, applied in animal husbandry, etc., can solve the problems of heavy metal content control, inability to be used as medical materials and food, and product quality guarantee, and achieve the effect of strong vitality, low heavy metal content and high purity

Inactive Publication Date: 2004-04-14
NANKAI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

②Industrialized production: At present, industrialized production is only to transplant the life cycle of flies in the natural world into the factory building, mainly to feed them, without using biological and chemical methods to strictly control the content of bacteria and heavy metals (Lei Chaoliang et al. Fly maggot factory production basic technology and its product development, Chinese Entomological Society 50th Anniversary Symposium), the produced fly maggots can only be used as general industrial raw materials or feed, and cannot be used as medical materials and food
Artificial breeding, the conditions are easy to control, but the traditional breeding method does not control the content of heavy metals, and the product quality is not guaranteed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Factory farming is carried out in the Tuanpowa housefly breeding pilot base, using the cage method. The original species of housefly were taken from the Genetic Engineering Laboratory of Nankai University, and the original species and original species were bred in the breeding room. After the original stock emerged into adult flies, they were anesthetized with ether cotton balls and selected one by one under a magnifying glass according to the characteristics of the house flies. A total of 2500 flies were selected and raised in cages after resuscitation. During the spawning period, egg masses were collected every 1 hour during the day, and after mixing, they continued to breed as stock. The remaining egg masses are used as the original species and enter the breeding cycle of the original species. After the larvae pupate, the individuals are small, and the individuals with poor pupal state and pupal color are selected. A total of about 11,000 pupae (estimated by weight m...

example 2

[0016] Example 2: Same as Example 1, the difference is that the pupae were sterilized with 2% sodium hypochlorite for 20 minutes before eclosion, no colony appeared in bacterial culture, the eclosion rate was 95%, and no polymorpha was seen.

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PUM

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Abstract

The industrial method of cultivating clean fly maggot includes three enlarging breeding of seed fly and disinfection of chrysalides, and the feed for fly maggot has a heavy metal content less than 2 ppm and Cd and As content less than 0.2 ppm. The present invention can produce excellent fly maggot product with no pathogenic bacteria and low heavy metal content.

Description

technical field [0001] The present invention relates to housefly breeding technology. Background technique [0002] There are currently two distinct levels of housefly rearing. ①Farmers raise them individually and use animal manure or agricultural waste as feed, and the fly maggots produced can only be used as feed (Liu Shuqi's Research on Artificial Raising Maggots as Feed, Hunan Agricultural Science, 1983, No. 6, pp. 35-37). ②Factory production: At this stage, factory production is only to transplant the life cycle of flies in nature into the workshop, mainly to feed them, without strict control of bacteria and heavy metal content by biological and chemical methods (Lei Chaoliang et al. The research and development of the basic technology and products of the industrial production of fly maggots, the 50th Anniversary Symposium of the Chinese Entomological Society), the fly maggots produced can only be used as general industrial raw materials or feed, and cannot be used as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 杜荣骞李德森渠荣遴纪明耀
Owner NANKAI UNIV