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Method for culturing gymnocypris przewalskii 1+ year fingerling in pond

A technology of fish species and naked carp, applied in the field of ponds, to achieve great economic benefits and environmental ecological benefits, relieve pressure, and protect biodiversity

Inactive Publication Date: 2014-09-17
史建全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no artificial breeding and multiplication of naked carp age 1 in Qinghai Lake. + fingerling method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: 1, the preparation before the summer flowers are put in a suitable place to breed: the fingerling pond is generally 7 mu, and the depth of water is 1.5 meters. Disinfection of the breeding pond before stocking: (1) Disinfection of the dry pond: drain the pond water 8 days before releasing the fish, and then use 75 kg of quicklime per mu to disinfect the pond; Quicklime 200 kg.

[0023] 2. Stocking of summer flowers: The stocking time of naked carp summer flower fry in Qinghai Lake is generally in mid-July, and the stocking fry requires a healthy body and neat specifications. The stocking density varies greatly depending on its own production conditions, breeding methods, technical level and expected fish species size. Naked carp can stock 130,000 summer flower fry with a size of 4.5 cm per mu, and can also raise 3,500 bighead carp and 800 silver carp with a size of summer flower.

[0024] 3. Feeding and management: In the early stage, mix the mixture wit...

Embodiment 2

[0027] Embodiment 2: 1, the preparation before summer flower is stocked in a suitable place to breed: the general 2 mus of fingerling ponds, 2 meters of water depths. Disinfection of the breeding pond before stocking: (1) Disinfection of the dry pond: drain the pond water 18 days before releasing the fish, and then use 50 kg of quicklime per mu to disinfect the pond; Quicklime 150 kg.

[0028] 2. Stocking of summer flowers: The stocking time of naked carp summer flower fry in Qinghai Lake is generally in late July, and the stocking fry requires a strong physique and neat specifications. The stocking density varies greatly depending on its own production conditions, breeding methods, technical level and expected fish species size. Generally, 160,000 summer flower fry with a size of 3.5 cm can be stocked per mu of naked carp, and 2,500 bighead carp and 400 silver carp with a size of summer flower can also be raised.

[0029] 3. Feeding and management: In the early stage, mix t...

Embodiment 3

[0032] Embodiment 3: 1, the preparation before the summer flowers are stocked in a suitable place to breed: the fingerling pond is generally 5 mus, and the depth of water is 1.8 meters. Disinfection of the breeding ponds before stocking: (1) Disinfection of dry ponds: drain the pond water 12 days before releasing the fish, and then use 65 kilograms of quicklime per mu to carry out disinfection of the clear ponds; is 15ppm.

[0033] 2. Stocking of summer flowers: The stocking time of naked carp summer flower fry in Qinghai Lake is generally in mid-July, and the stocking fry requires a healthy body and neat specifications. The stocking density varies greatly depending on its own production conditions, breeding methods, technical level and expected fish species size. Naked carp can stock 150,000 summer flower fry with a size of 4.0 cm per mu, and can also raise 3,000 bighead carp and 600 silver carp with a summer flower size.

[0034] 3. Feeding and management: In the early sta...

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Abstract

The invention belongs to the technical field of stocking, feeding and managing gymnocypris przewalskii 1+ year fingerling in a pond, and in particular relates to a method for culturing gymnocypris przewalskii 1+ year fingerling in a pond. The technical scheme is implemented through the following steps: 1, preparing before fingerling stocking, sterilizing the culture pond before stocking; 2, stocking the fingerling; 3, feeding and managing; 4, managing over winter; and 5, culturing yearling to obtain the 1+ year fingerling with specification of 10cm. The method has the advantages of developing fresh water complete artificial breeding of the gymnocypris przewalskii, providing species-provenances for artificial raising and propagating and releasing and relieving pressure of wild resource captures, is a fundamental way and measure of protecting biological diversity, and ensures that the gymnocypris przewalskii wild resources are massively propagated; and the gymnocypris przewalskii 1+ year fingerling can also be used as seedling of commercial fish production, and has great economical benefit and environmental ecological benefit.

Description

One: technical fields: [0001] The invention belongs to Qinghai Lake naked carp 1 + The technical field of stocking, feeding and management of aged fish species in ponds, specifically relates to a kind of pond [0002] Pond cultivation of naked carp in Qinghai Lake 1 + methods for older species. Two: background technology: [0003] The naked carp in Qinghai Lake is the only aquatic animal in Qinghai Lake. It is at the core of the "fish-bird symbiosis" ecosystem in Qinghai Lake. In 1964, it was listed as an important or rare aquatic animal in my country by the Ministry of Fisheries. In 2004, it was listed as an endangered species in the "Red List of Species in China" by the China International Cooperation Committee for Environmental Development. [0004] Since the 1970s, due to the drought and warming of the climate, the inflow of rivers has dropped sharply, overfishing, and the spawning grounds have dried up, resulting in a serious decline in the resources of naked carp. S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 史建全
Owner 史建全
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