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Schizothorax taliensis breeding and culturing method

A breeding method and technology for schizothorax, which are applied in the field of agricultural breeding, can solve the problems of easy disease and death of seedlings, high mortality of broodstock, low survival rate of fish eggs, etc., so as to shorten the growth time, optimize the egg retrieval time, and improve the spawning rate. rate effect

Inactive Publication Date: 2018-01-19
张荣富
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of oxytocic agents solves the problem of fish artificial reproduction to a large extent. It can make fish spawn and fertilize normally, and obtain normal offspring. However, the survival rate of fish eggs obtained by this method is low, and the mortality of broodstock is low. High, seedlings are prone to disease and death after emergence in the later stage, and there is also the problem of seedling anorexia

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for breeding and cultivating Schizothorax, comprising the following:

[0023] 1) The collected wild Schizothorax was artificially domesticated for 3 years. During the domestication process, a torrent environment was created 3 times at intervals of 3 days, with an interval of 1 hour between two adjacent times, and each duration was 20 minutes. The velocity of the torrent was 1m / s. The stocking density is 1 tail per square meter of water surface, and the weight ratio of parent fish bait to fish is 0.5:100; the parent fish bait includes the following components by weight: 40 parts of fish meal, 10 parts of wheat bran, 4 parts of palm leaf powder , 15 parts of bone meal, 5 parts of high-gluten flour, 1 part of Anemarrhena powder, 2 parts of fish oil, 2 parts of soybean oil, 2 parts of soybean lecithin, 10 parts of Houttuynia cordata powder, 1 part of calcium dihydrogen phosphate, 0.01 part of table salt, chlorinated 0.5 part of choline, 1 part of multivitamin table...

Embodiment 2

[0028] A method for breeding and cultivating Schizothorax, comprising the following:

[0029] 1) The collected wild alpine Schizothorax was artificially domesticated for 4 years. During the domestication process, the torrent environment was created 4 times at intervals of 3 days. The interval between two adjacent times was 2 hours. Each time lasted 30 minutes. The velocity of the torrent was 1m / s. The stocking density is 2 tails per square meter of water surface, and the weight ratio of parent fish bait to fish is 1:100; the parent fish bait includes the following components by weight: 45 parts of fish meal, 15 parts of wheat bran, and 8 parts of palm leaf powder , 18 parts of bone meal, 7 parts of high-gluten flour, 3 parts of Anemarrhena powder, 5 parts of fish oil, 5 parts of soybean oil, 4 parts of soybean lecithin, 12 parts of Houttuynia cordata powder, 2 parts of calcium dihydrogen phosphate, 0.03 parts of table salt, chlorinated 0.5 parts of choline, 2 parts of multivit...

Embodiment 3

[0034] A method for breeding and cultivating Schizothorax, comprising the following:

[0035] 1) The collected wild alpine Schizothorax was artificially domesticated for 4 years. During the domestication process, the torrent environment was created 5 times at intervals of 2 days, with an interval of 2 hours between two adjacent times, and each duration was 40 minutes. The stocking density is 2 tails per square meter of water surface, and the parent fish bait and fish weight ratio of feeding is 1.5:100; the parent fish bait includes the following components by weight: 50 parts of fish meal, 20 parts of wheat bran, 10 parts of palm leaf powder 20 parts of bone meal, 10 parts of high-gluten flour, 4 parts of Anemarrhena powder, 6 parts of fish oil, 6 parts of soybean oil, 5 parts of soybean lecithin, 15 parts of Houttuynia cordata powder, 2 parts of calcium dihydrogen phosphate, 0.05 parts of table salt, chlorine 1 part of choline, 3 parts of multivitamin tablets, 0.05 part of he...

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Abstract

The invention relates to a schizothorax taliensis breeding and culturing method, which comprises the following steps of (1) artificially domesticating collected wild high mountain schizothorax taliensis for 3 to 4 years; (2) from the middle of January to the late March of each year, selecting mature female fishes and male fishes in the step (1), mixing eggs extruded from the female fishes and seminal fluid taken out from the male fishes, placing in clean water, keeping for 10 to 20min in a dark place, and thus obtaining germ cells; (3) placing the germ cells into flowing clean water, incubating for germinating, and starting to feed baits for fish larvae after germinating for 7 to 9 days. The method provided by the invention is scientific and reasonable, and high in fish egg survival rate,the fish egg fertility rate reaches up to 95 percent or more, the fish egg hatching rate reaches up to 85 percent or more, and the fish larvae survival rate reaches up to 90 percent or more.

Description

technical field [0001] The invention belongs to the field of agricultural breeding, and in particular relates to a method for breeding and breeding Schizothorax. Background technique [0002] In recent years, due to the destruction of the habitat and the frequent use of various unreasonable fishing methods, the existing resources of Schizothorax have been greatly reduced, making the market price increasingly expensive. Existing technologies such as those disclosed in CN201510863420.7 need to inject high-efficiency fish oxytocic agents to induce fish to lay eggs and produce sperm. The use of oxytocic agents solves the problem of fish artificial reproduction to a large extent. It can make fish spawn and fertilize normally, and obtain normal offspring. However, the survival rate of fish eggs obtained by this method is low, and the mortality of broodstock is low. High, seedlings are prone to disease and death after emergence in the later stage, and there is also the problem of ...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/17A23K50/80A23K10/30A23K10/37A23K10/22A23K10/26A23K20/158A23K20/26A23K20/22A23K20/10A23K20/174A23K10/00A23K10/20A23K10/18A23K20/163
CPCY02A40/81Y02A40/818Y02P60/87
Inventor 张荣富
Owner 张荣富
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