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Intensive artificial propagation method for Myxocyprinus asiaticus

A technology of artificial breeding and mullet fish, which is applied in the field of freshwater fish farming, can solve the problems of low seedling breeding rate, artificial ecological breeding and artificial release scale, and achieve the effect of improving survival rate and reducing diseases

Inactive Publication Date: 2011-04-13
杨述奇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the degradation of mullet germplasm resources and the low breeding rate of seedlings, it has caused a great impact on the scale of artificial ecological breeding and artificial release.

Method used

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  • Intensive artificial propagation method for Myxocyprinus asiaticus
  • Intensive artificial propagation method for Myxocyprinus asiaticus
  • Intensive artificial propagation method for Myxocyprinus asiaticus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: the large-scale artificial propagation method of mullet is:

[0021] (1) Broodstock selection: select mature broodstock with complete scales and a body weight of no less than 8 kg, and the ratio (quantity ratio) of female broodstock to male broodstock is 1:1;

[0022] The mature broodstock is: the male broodstock lightly presses the abdomen, milky white semen flows out, and it will disperse when it enters the water; the female broodstock has a swollen abdomen, and the outline of the ovary can be seen when the fish belly is turned upward. more than 2mm;

[0023] (2) induced labor:

[0024] a. Oxygenation drugs: chorionic gonadotropin (HCG), luteinizing hormone-releasing hormone analog (LRH-A), dioconone maleate (DOM), carp, crucian carp pituitary gland (PG) four drugs mixture ;

[0025] b. The total dosage of oxytocin drugs per kilogram of female broodstock body weight:

[0026]

[0027] The amount of oxytocin drug per kilogram of male broodstock bod...

Embodiment 2

[0038] Embodiment 2: in the large-scale artificial breeding method of mullet, the total consumption of oxytocin drugs per kilogram of female broodstock body weight:

[0039]

[0040] The amount of oxytocin drug per kilogram of male broodstock body weight is half of the above amount;

[0041] All the other processes are the same as in Example 1.

Embodiment 3

[0042] Embodiment 3: in the large-scale artificial breeding method of mullet, the total consumption of oxytocin drugs per kilogram of female broodstock body weight:

[0043]

[0044] The dosage of the oxytocin drug per kilogram of male broodstock body weight is half of the above dosage; all the other processes are the same as in Example 1.

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Abstract

An intensive artificial propagation method for Myxocyprinus asiaticus comprises the steps of parent fish selection, induced spawning and hatching. Wherein the induced spawning comprises preparing oxytocic in different doses, administering the oxytocic timely, and designing an oviposition-nest and an oviposition pool, and the hatching comprises designing a hatching pool and determining the special hatching condition. The method of the present invention allows the fry of Myxocyprinus asiaticus to be bred in a large number, the original germplasm to be ensured, the incidence of disease to be reduced, and the survival rate of Myxocyprinus asiaticus to be improved.

Description

technical field [0001] The invention relates to a method for cultivating freshwater fish, and further refers to a method for large-scale artificial propagation of mullet. Background technique [0002] The mullet belongs to the order Cyprinidae, the submouth fish family, and the genus mullet. Commonly known as fire bream, yellow row, wood leaf plate, red fish, blood row, powder row, etc., mainly distributed in the Yangtze River, Jinsha River and other places. The bait swims back into Dongting Lake for fattening, and lives in lakes and rivers. Juveniles and adults have different shapes, habitats and biological learning. Juveniles like to gather and inhabit among gravels with slow water flow, and they mostly move in the upper layer of water bodies. Adults like to live in open water areas of rivers. They are omnivorous and mainly eat invertebrates. And insect larvae, also feed on organic matter at the bottom of the water, suck attached diatoms and plant debris. Due to changes...

Claims

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Application Information

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IPC IPC(8): A01K61/00A61K38/24A61P15/08A61K35/30A61K31/4184
CPCY02A40/81
Inventor 王国平廖伏初曾南华高四新周曙光陈满王浩
Owner 杨述奇
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