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Indoor cement pond high-density breeding method of oxygymnocypris stewarti and indoor cement pond high-density breeding system of oxygymnocypris stewarti

A culture method and cement pond technology, which are applied in chemical instruments and methods, water/sludge/sewage treatment, fish farming, etc., to achieve the effects of convenient feeding amount and feeding rate, high output and high breeding density

Inactive Publication Date: 2020-09-11
西藏自治区农牧科学院水产科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the blank problem of artificial cultivation of the naked carp, the present invention proposes a high-density cultivation method in indoor cement ponds suitable for the naked carp. This method has the characteristics of high density, high yield and easy capture, and is suitable for the naked carp. large-scale artificial farming

Method used

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  • Indoor cement pond high-density breeding method of oxygymnocypris stewarti and indoor cement pond high-density breeding system of oxygymnocypris stewarti

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Experimental program
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Effect test

Embodiment 1

[0031] A kind of indoor cement pond high-density culture method of pointed naked carp, comprises the following steps:

[0032] A. Fry selection

[0033] The fry are derived from self-propagating offspring fry, and the fry longer than 3cm are selected for breeding;

[0034] B. Fry stocking

[0035] Before stocking the fish fry, use potassium permanganate to soak the cement breeding pond for 24 hours to disinfect, after the disinfection is completed, enter the water; stock 500 fish fry per cubic water body, and soak the fish fry in 1% salt water for 3 minutes before stocking;

[0036] C. Breeding management

[0037] The micro-flow water culture in the cement culture pond, the flow rate is 0.14m / s, the water temperature is 8-18℃, the dissolved oxygen is 5mg / L, and the food is fed twice a day. The feed is frozen chironomus larvae. 3-5% of the total weight. Before feeding, the frozen chironomus larvae were sterilized by immersing them in 1% saline.

[0038] During the breeding...

Embodiment 2

[0040] A kind of indoor cement pond high-density culture method of pointed naked carp, comprises the following steps:

[0041] A. Fry selection

[0042] The fry are derived from self-propagating offspring fry, and the fry longer than 3cm are selected for breeding;

[0043] B. Fry stocking

[0044] Before stocking the fish fry, use potassium permanganate to soak the cement breeding pond for 24 hours to disinfect, after the disinfection is completed, enter the water; stock 1000 fish fry per cubic water body, and soak the fish fry in 1% salt water for 5 minutes before stocking;

[0045] C. Breeding management

[0046] The micro-flow water culture in the cement culture pond, the flow rate is 0.18m / s, the water temperature is 8-18℃, the dissolved oxygen is 6mg / L, and the food is fed twice a day. The feed is frozen chironomus larvae. 5% of the total weight. Before feeding, the frozen chironomus larvae were sterilized by immersing them in 1% saline.

[0047] During the breeding ...

Embodiment 3

[0049] A kind of indoor cement pond high-density culture method of pointed naked carp, comprises the following steps:

[0050] A. Fry selection

[0051] The fry are derived from self-propagating offspring fry, and the fry longer than 3cm are selected for breeding;

[0052] B. Fry stocking

[0053] Before the fish fry are stocked, the cement breeding pond is disinfected by soaking with potassium permanganate for 24 hours. After the disinfection is completed, water is added; 800 fish fry are stocked per cubic water body, and the fish fry are soaked and disinfected with 1% salt water for 4 minutes before stocking.

[0054] C. Breeding management

[0055] The micro-flow water culture in the cement culture pond, the flow rate is 0.16m / s, the water temperature is 8-18°C, the dissolved oxygen is 8mg / L, and the food is fed twice a day. The feed is frozen chironomus larvae. 3-5% of the total weight. Before feeding, the frozen chironomus larvae were sterilized by immersing them in 1...

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Abstract

The invention provides an indoor cement pond high-density breeding method of oxygymnocypris stewarti. The indoor cement pond high-density breeding method of the oxygymnocypris stewarti comprises the following steps: selecting fish fries longer than 3 cm for breeding; before stocking of the fish fries, soaking a cement pond in potassium permanganate for disinfection for 24 h, and after disinfectionis completed, supplying water; stocking 500-1000 fish fries per square meter of a water body, and soaking the fish fries in 1% saline water for disinfection for 3-5 minutes before stocking; and controlling the water temperature of the cement pond to be 8-18 DEG C and a concentration of dissolved oxygen to be 5 mg / L or above, and conducting feeding two times every day, wherein feed is frozen chironomidae larvae, and the put volume of the feed is 3-5% of the total weight of daily fish bodies. The method has the characters that the density is high, a yield is high, and catching is easy, and is suitable for large-scale artificial breeding of the oxygymnocypris stewarti.

Description

technical field [0001] The invention relates to the technical field of fish reproduction, in particular to an indoor cement pond high-density breeding method for carps. Background technique [0002] Naked carp, belonging to Cyprinidae, Schizothorax subfamily, and genus Naked carp, is one of the important indigenous economic fish in Tibet. The naked carp belongs to the highly specialized grade among the three grades of Schizothorax, and it is only distributed in the main and tributary areas of the middle reaches of the Yarlung Zangbo River above an altitude of 3,600 meters. Due to the high altitude and low annual average water temperature, a special ecological environment is formed. The naked carp adapts to the environment with clear water flow and precipitation and alpine snow water as the source, and mainly feeds on other fish and aquatic insects. In recent years, affected by the ecological environment and human activities, the habitat and living environment of the naked c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A01K61/80A01K63/00A01K63/04C02F9/08
CPCA01K63/003A01K63/04A01K63/042A01K61/10A01K61/80C02F1/32C02F7/00C02F2303/04Y02A40/81
Inventor 王金林曾本和王万良王且鲁潘瑛子周建设旺久
Owner 西藏自治区农牧科学院水产科学研究所
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