Method for domesticating wild Leptobotia elongata under artificial cultivation conditions until gonadal maturation of Leptobotia elongata

A mature and thin loach technology, applied in fish farming, climate change adaptation, application, etc., can solve the problem of large-scale artificial cultivation of gonads of long thin loach, high mortality rate of artificial domestication of wild long thin loach, and mature gonads The technology has not yet broken through and other problems, to achieve the effects of improving the survival rate of domestication, fast growth of broodstock, and good palatability

Inactive Publication Date: 2018-11-06
武汉中科瑞华生态科技股份有限公司
View PDF9 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the artificial domestication mortality rate of the wild long thin loach is extremely high, and the wild parents almost all have different degrees of gonad degeneration under artificial domestication conditions
It makes it difficult for the collected wild long thin loach parents to reach the maturity of gonads under artificial breeding conditions
At present, although there are reports on the artificial breeding technology of long thin loach, they are basically isolated cases, and the technology of large-scale artificial breeding of long thin loach to mature gonads has not yet been broken through
This has become a technical bottleneck restricting the protective artificial breeding of the wild parents of the long thin loach
[0004] Comparative document 1: The application number is "CN201310590593.7", and the name is "a method for cultivating long thin loach seedlings". Through the careful cultivation of long thin loach seedlings, the seedlings with a size of 3 to 4 cm are cultivated, and the The seedlings with strong individuals and uniform specifications have improved the seedling survival rate of long thin loach and provided guarantee for the breeding benefits of long thin loach. However, this method aims to improve the survival rate of long thin loach seedlings and cultivate The demand for the supply of seedlings with strong individuals and uniform specifications cannot be obtained from the wild gonad-maturing gonads. At present, there is no large-scale artificial cultivation of gonad-maturing technology for gonads.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for domesticating wild Leptobotia elongata under artificial cultivation conditions until gonadal maturation of Leptobotia elongata
  • Method for domesticating wild Leptobotia elongata under artificial cultivation conditions until gonadal maturation of Leptobotia elongata

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The method for domestication to gonad development maturity under a kind of wild long thin loach artificial breeding condition that this example provides specifically comprises the following steps:

[0024] Step 1. Establishing an ecological imitation pond: In 2016, the above-ground cement pond with a length, width, and depth of 4×13×1.5m in the Guanyinyan Fish Breeding Station was used to carry out an ecological imitation pond transformation, and the bottom of the pond was paved with a particle size of 5 to 20cm. 150 PVC pipes with a diameter of 110 mm and a length of 50 cm are placed on different pebbles at the same time. A small amount of hornwort algae are planted in the pool. The water flow rate is adjustable, and the control pool water flow rate is above 0.8m / s. The breeding water needs to be sterilized and disinfected at the bottom, and the daily exchange frequency of the water body is 3 times. The water temperature is controlled by plastic film and sunshade net, ...

Embodiment 2

[0034] The method for domestication to gonad development maturity under a kind of wild long thin loach artificial breeding condition that this example provides specifically comprises the following steps:

[0035] Step 1. Establishing an ecological imitation pond: In 2016, the above-ground cement pond with a length, width, and depth of 4×13×1.5m in the Guanyinyan Fish Breeding Station was used to carry out an ecological imitation pond transformation, and the bottom of the pond was paved with a particle size of 5 to 20cm. 150 PVC pipes with a diameter of 110 mm and a length of 50 cm are placed on different pebbles at the same time. A small amount of hornwort algae are planted in the pool. The water flow rate is adjustable, and the control pool water flow rate is above 0.8m / s. The breeding water needs to be sterilized and disinfected at the bottom, and the daily exchange frequency of the water body is 3 times. The water temperature is controlled by plastic film and sunshade net, ...

Embodiment 3

[0045] The method for domestication to gonad development maturity under a kind of wild long thin loach artificial breeding condition that this example provides specifically comprises the following steps:

[0046] Step 1. Establishing an ecological imitation pond: In 2016, the above-ground cement pond with a length, width, and depth of 4×13×1.5m in the Guanyinyan Fish Breeding Station was used to carry out an ecological imitation pond transformation, and the bottom of the pond was paved with a particle size of 5 to 20cm. 150 PVC pipes with a diameter of 110 mm and a length of 50 cm are placed on different pebbles at the same time. A small amount of hornwort algae are planted in the pool. The water flow rate is adjustable, and the control pool water flow rate is above 0.8m / s. The breeding water needs to be sterilized and disinfected at the bottom, and the daily exchange frequency of the water body is 3 times. The water temperature is controlled by plastic film and sunshade net, ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a method for d domesticating wild Leptobotia elongata under artificial cultivation conditions until the gonadal maturation of the Leptobotia elongata. The method includes: building an ecology-simulated pond to simulate the habitat of the wild Leptobotia elongata; subjecting the collected Leptobotia elongata to soaking and sterilizing, and performing isolated temporary cultivation; domesticating the Leptobotia elongata after the temporary cultivation in the ecology-simulated pond; feeding the Leptobotia elongata with prepared parent Leptobotia elongata feed; strengtheningbefore reproduction, to be more specific, three months before the reproduction of the Leptobotia elongata, injecting carp hypophysis cerebri grinding liquid once each month; two months before the reproduction, increasing the flow speed of the ecology-simulated pond, and increasing the water temperature to 25-26 DEG C to stimulate the gonadal maturation of the parent Leptobotia elongata. The method has the advantages that the habitat, water flow and food of the wild Leptobotia elongata are simulated, the nutrition proportion of the parent Leptobotia elongata feed is regulated, the strengthening before reproduction is performed, gonadal maturation rate can reach above 50%, and spawning induction rate during large-scale artificial reproduction is increased.

Description

technical field [0001] The invention relates to the field of gonad development of fish, in particular to a method for domesticating wild echinacea to gonad development maturity under artificial culture conditions. Background technique [0002] Long thin loach (Leptobotia elongata) belongs to Cyprinidae, Loachidae, Loach subfamily, and Leptobot genus. It is a unique fish in the middle and upper reaches of the Yangtze River in my country. The resources of the long-bodied loach have declined sharply. Currently, the long-bodied loach is listed as Vulnerable (VU) in the "Red List of Species in China" and "Red Data Book of Endangered Animals and Fishes in China". It is imminent to carry out protective artificial breeding on wild long thin loach. [0003] However, the artificial domestication mortality rate of the wild long thin loach is extremely high, and the wild parents almost all have different degrees of gonadal regression under the artificial domestication condition. It mak...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 张运海黄学潇顾正选余泽文舒敏
Owner 武汉中科瑞华生态科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap