Substrate for hatching Whitmania pigra Whitman spawns

A technology of egg cocoons and leeches, which is applied in the field of substrates for artificial incubation of leech egg cocoons, can solve the problems affecting the production of leeches, increase the time for adapting to the environment and feeding, increase the yield per mu, and facilitate factory management

Inactive Publication Date: 2010-10-06
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Therefore, the length of hatching time is related to the time when leech seedlings enter the commercial pool, which determines the growth time of leeches, which will eventually affect the output of leeches

Method used

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  • Substrate for hatching Whitmania pigra Whitman spawns
  • Substrate for hatching Whitmania pigra Whitman spawns

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] 1. Materials

[0009] 1.1 Experimental materials: egg cocoons (provided by the leech base of the Institute of Traditional Chinese Medicine of Nanjing Agricultural University, whose mother body was identified as the mature body of Whitmania pigra Whitman by Professor Guo Qiaosheng), fine soil, expanded perlite, and medical gauze.

[0010] 1.2 Experimental equipment: artificial climate incubator (Zhejiang Top Instrument), balance (Shanghai Jingke Balance), and ring knife, 20*15*30cm fresh-keeping box;

[0011] 2 methods

[0012] 2.1 Determination of maximum water holding capacity

[0013] Maximum water holding capacity: 100cm 3 The ring knife will take the required soil and perlite and put them into the basin respectively, and soak for about 24 hours. The water surface should be 2-4mm lower than the upper mouth of the ring knife. Do not allow water to enter the upper mouth of the ring knife. At the same time, take the same soil (perlite), air-dry it and pass it through...

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Abstract

The invention provides a high-efficiency substrate for artificially hatching Whitmania pigra Whitman spawns and aims to provide a substrate for hatching Whitmania pigra Whitman with shorter incubation time, higher hatching rate and more concentrated seedling emergence compared with the conventional hatching technique. By using the substrate with the best moisture holding capacity, the hatching time can be shortened by 7 days compared with the conventional hatching time, the hatching rate is increased by 22.7 percent, and the seedling emergence is concentrated. The substrate not only is beneficial to factory management for hatching the Whitmania pigra Whitman, but also prolongs the feeding time of Whitmania pigra Whitman seedlings, the adaptive capacity of the Whitmania pigra Whitman to the environment and the survival rate are improved through ingestion, growth and energy storage of the Whitmania pigra Whitman seedlings as soon as possible, the per mu yield of the Whitmania pigra Whitman is increased indirectly, and the economic benefit of culturing the Whitmania pigra Whitman is increased. By using the substrate, the per mu yield of the Whitmania pigra Whitman can be increased by about 15kg indirectly; and based on 600 RMB/kg of the current market price, the economic benefit of the Whitmania pigra Whitman per mu is increased by 6,000 to 9,000 RMB.

Description

1. Technical field [0001] The invention relates to a substrate for artificial hatching of leech egg cocoons. 2. Background technology [0002] The leech mentioned in this article refers to the leech Whitmania pigra Whitman, also known as the wide-body golden leech, which is one of the main bases of the medicinal material leech included in the 2010 edition of "Chinese Pharmacopoeia". Shuxuetong, Naoxuekang and many other Chinese patent medicines for treating cardiovascular and cerebrovascular diseases are the main raw materials. Due to the large growth rate of leech individuals, in recent years, with the in-depth research on its physiological characteristics and other aspects, its artificial breeding has achieved initial success, which has slowed down the contradiction between market demand and leech medicinal material supply. [0003] Judging from the current artificial propagation technology of leeches, the hatching time of leeches is about one month, and the hatched seedl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033
Inventor 郭巧生史红专
Owner NANJING AGRICULTURAL UNIVERSITY
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