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A method of choosing a high -temperature earthworm

A high-temperature, worm-resistant technology, applied in animal husbandry and other directions, can solve problems such as long composting cycle, and achieve the effects of enhanced adaptability, simplified vermicomposting steps, and simple equipment.

Inactive Publication Date: 2015-11-04
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

resulting in longer composting cycles

Method used

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Examples

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Embodiment Construction

[0015] The invention will be further illustrated by the following examples, but is not limited to any one of these examples or similar examples.

[0016] (1) Put 2000-3000 cocoons of wild earthworms and artificially raised earthworms into a 60×40×30cm earthworm incubator. The temperature of the base material in the incubator is 35°C, hatch for 16 days, and select the hatching rate Varieties higher than 50% are used as high-temperature-resistant candidate parents; the larvae of the high-temperature-resistant candidate parents with high vigor are selected, placed in an incubator, and the culture temperature is set to 40°C, and cultivated for 4 days; For tall earthworms, choose earthworms with high vitality and good growth as high-temperature-resistant parents, and place them in an incubator with a base material temperature of 30°C for 3-4 months until a ring appears; choose a large, strong one Earthworms were mixed in pairs and placed in earthworm culture bottles with a base mat...

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PUM

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Abstract

The invention discloses a method for selectively breeding high-temperature-tolerant earthworms. The method includes screening high-temperature-tolerant candidate parents, performing high-temperature stress on the high-temperature-tolerant candidate parents to obtain high-temperature-tolerant parents, breeding strong high-temperature-tolerant parents, hybridizing the high-temperature-tolerant parents, screening high-temperature-tolerant hybridization offspring and the like to obtain high-temperature-tolerant hybridization earthworms; carrying out the steps at least twice to ultimately obtain new varieties of the high-temperature-tolerant earthworms. The method has the advantages that the new varieties of the earthworms selectively bred by the aid of the method are tolerant of high temperatures as compared with common earthworms, and the method is favorable for cultivating earthworms; the method can be directly applied to compost treatment, compost materials do not need to preliminarily ferment, accordingly, an earthworm compost technology is high in practicality, and the method can be conveniently applied to production on a large scale.

Description

technical field [0001] The invention belongs to the technical field of earthworm breeding, and in particular relates to a method for breeding high-temperature-resistant earthworm varieties. Background technique [0002] Earthworms are common terrestrial annelids that live in the soil and come out at night. They feed on livestock and poultry manure and organic waste, swallowing them together with soil, and also eating plant stems and leaves. Earthworms can loosen the soil, improve the soil, increase fertility, and increase agricultural production; they can decompose organic waste produced by humans and turn them into inorganic substances for plants to use; they can also be used as feed, food, and medicinal materials, which are of great benefit to humans. Big. Therefore, many countries in the world, including China, are vigorously developing the utilization and breeding of earthworms. [0003] Earthworms are temperature-changing animals, and their body temperature changes wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/033
Inventor 杨华郭纯胡超
Owner HUNAN AGRICULTURAL UNIV