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Penaeus raising method

A technology of car shrimp and seawater, which is applied in the field of shrimp breeding and nursery, can solve the problems of poor nutritional indicators of shrimp seedlings and low survival rate of breeding, and achieve the effect of uniform size, high breeding survival rate and good nutritional indicators

Inactive Publication Date: 2012-06-13
DALIAN FUGU AQUATIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many disadvantages in the traditional method of raising shrimp seedlings. The nutritional index of shrimp seedlings is not good, and the survival rate of breeding is not high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] The seedling raising method of embodiment 1 car prawn, the kind of prawns are temporarily raised and selected good prawns; the spawning period of prawns is adjusted to the water temperature to promote spawning, and the water temperature is increased to 27-28 ℃ within 5 days with the sea water temperature as the base; The eggs are washed in seawater to remove the mucus in the eggs, and then hatched; when the nauplii are metamorphosed, the pH value is controlled between 7.0. The clam worm is put in as bait when the kind of shrimp is raised temporarily. The salinity of the seawater is 28, and the transparency of the seawater is 30cm.

Embodiment 2

[0008] The seedling raising method of embodiment 2 car prawns, the prawns are temporarily raised to select good prawns; the spawning period of the prawns is adjusted to the water temperature to promote spawning, and the sea water temperature is used as the base, and the water temperature is increased to 27-28 ℃ within 10 days; The eggs are washed in seawater, the mucus in the eggs is removed, and then hatched; when the nauplii are metamorphosed, the pH value is controlled between 8.5. The clam worm is put in as bait when the kind of shrimp is raised temporarily. The salinity of the seawater is 32, and the transparency of the seawater is 40cm.

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Abstract

The invention discloses a penaeus raising method, which comprises the following steps of: temporarily raising seed penaeuses to select good seed penaeuses; adjusting water temperature during an egg laying period of the seed penaeuses to prompt egg laying, and increasing the water temperature to 27-28 DEG C within 5-10 days based on the temperature of seawater; washing eggs by utilizing the seawater, removing mucus in the eggs, and then hatching; and controlling a pH value within 7.0-8.5 when nauplii are subjected to metamorphosis. When the seed penaeuses are temporarily raised, clam worms as baits are fed. The seawater has the salinity of 28-32 and the transparency of 30-40 cm. The penaeus raising method disclosed by the invention has the benefits that: the penaeus raising method is economically feasible and is simple and convenient for operation; the raised penaeus seeds have full hypodermal fat and good nutritive index; and the penaeus seeds raised by using the method are uniform in size, rapid for production and high in breeding survival rate.

Description

technical field [0001] The invention belongs to the technical field of cultivating and raising seedlings of shrimps, in particular to a method for raising seedlings of prawns. Background technique [0002] The car prawns belong to the Crustacea of ​​the Crustacea, the Decapoda Decapoda, the Natantia of the Swimming Suborder, the Penaeidae, and the small car prawns are called shrimp money. It is mainly produced in China's Bohai Sea, Yellow Sea and the western coast of North Korea. There are many species produced in oceans all over the world. Car prawn meat has the functions of tonifying kidney and strengthening yang, promoting milk and anti-toxin, nourishing blood and solidifying essence, removing blood stasis and detoxifying, nourishing qi and nourishing yang, dredging collaterals and relieving pain, appetizing and reducing phlegm, etc. However, there are many disadvantages in the traditional method of cultivating shrimp seedlings. The nutritional index of shrimp seedlings...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 吕永军
Owner DALIAN FUGU AQUATIC PROD
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