CN210869399U

CN210869399U - Double-deck canopy cultivation system of big specification seed of red chela shrimp

Info

Publication number: CN210869399U
Application number: CN201921844756.9U
Authority: CN
Inventors: 彭刚; 付龙龙; 郝忱; 徐宇; 严维辉; 郑友; 黄鸿兵; 殷悦; 王静; 张燕
Original assignee: Freshwater Fisheries Research Institute of Jiangsu Province
Current assignee: Freshwater Fisheries Research Institute of Jiangsu Province
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-30
Anticipated expiration: 2029-10-30

Abstract

A large-size fry double-layer shed cultivation system for red crayfish is characterized by comprising an outer-layer shed (1), inner-layer sheds (2) and a cultivation pond (3), wherein the inner-layer sheds (2) are wrapped in the outer-layer shed (1), a strip-shaped cultivation pond (3) is arranged in each inner-layer shed (2), the cultivation pond (3) is divided into a strip-shaped water hyacinth planting area (4) and a block-shaped waterweed planting area (5), and the strip-shaped water hyacinth planting area (4) and the block-shaped waterweed planting area (5) are used for enabling the young crayfish to avoid mutual killing; a plant sun lamp (6) is arranged on the inner layer small shed (2) to promote the growth of aquatic weeds; a heating device (7) is arranged in or outside the outer layer greenhouse (1). The utility model discloses a survival rate improves more than 20% than indoor cultivation mode.

Description

Double-deck canopy cultivation system of big specification seed of red chela shrimp

Technical Field

The utility model relates to an aquaculture technique, especially a red chela fry rearing technique, specifically speaking are double-deck canopy cultivation system of big specification fry of red chela fry.

Background

The red crayfish is also called Australia freshwater lobster, four-ridge bare-shell crayfish, red crayfish, academic name four-ridge bare-shell procambarus clarkia: (Cheraxquadricarinatus) Belonging to the genera of arthropoda, Crustacea, decapod, quasi-crayfish and light shell shrimp, the lobster meat has larger individuals and the appearance is close to that of the lobsters in the sea, but belongs to the shrimp species living and breeding in fresh water, the meat quality is compact, smooth and crisp, the taste is delicious and delicious, and the lobster species has higher economic value in the world.

The original producing area of the red chelonian is northern Australia, China is introduced into the red chelonian by the aquatic product research institute in Hubei in 1992, the suitable temperature range is wide and is 5-35 ℃, under the conditions of suitable water temperature and feeding environment, the red chelonian can mature sexually in the same year, the red chelonian can mate and lay eggs for many times in one year, and the laying period is in late spring and early summer under natural conditions. The original latitude of the red chelonian is greatly different from the internal latitude of Jiangsu, so that the red chelonian cannot be bred in the Jiangsu through winter naturally, the fries can be bred only when the temperature of the pond water is over 20 ℃, the mutual killing rate is high when the high-density large-size fries are bred in an indoor greenhouse, and the breeding survival rate is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at meeting high requirements for indoor cultivation of the seedlings of the red crayfish, having low survival rate and influencing the economic benefits, and designing a double-layer shed cultivation system for large-specification seedlings of the red crayfish so as to improve the cultivation survival rate and the growth speed of the large-specification seedlings.

The technical scheme of the utility model is that:

a large-size fry double-layer shed cultivation system for red crayfish is characterized by comprising an outer-layer shed 1, inner-layer small sheds 2 and cultivation ponds 3, wherein the inner-layer small sheds 2 are wrapped in the outer-layer shed 1, a strip-shaped cultivation pond 3 is arranged in each inner-layer small shed 2, each cultivation pond 3 is divided into a strip-shaped water hyacinth planting area 4 and a block-shaped waterweed planting area 5, and the strip-shaped water hyacinth planting area 4 and the block-shaped waterweed planting area 5 are used for enabling young shrimps to avoid mutual killing; a plant sun lamp 6 is arranged on the inner layer small shed 2 to promote the growth of aquatic weeds; a heating device 7 is arranged in or outside the outer layer greenhouse 1.

The heating device 7 is a boiler, an air conditioner or a resistance wire heater.

The plant sunlamps 6 are arranged one by one at intervals of 6-8 meters.

The utility model has the advantages that:

the utility model discloses a double-deck big-arch shelter had both guaranteed the requirement of cultivating the temperature, can reduce again and cultivate density, improved economic benefits, compared in indoor cultivation mode simultaneously, the survival rate can improve more than 20%, and the benefit is obvious.

Drawings

Fig. 1 is a schematic structural view of the double-layer greenhouse cultivation pond of the utility model.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1.

A large-size fry double-layer shed cultivation method for the red swamp crayfish specifically comprises the following steps:

(1) arranging a double-layer greenhouse;

the peripheral greenhouse adopts a multi-span greenhouse, and the internal small greenhouse adopts an arched greenhouse with a span of 8 meters; when the greenhouse is not heated, the daily temperature of the double-layer greenhouse is increased by about 3 ℃ compared with that of a single greenhouse, the temperature difference between the morning and the evening is small, and the heat preservation effect is good when the greenhouse is heated; as shown in fig. 1

(2) Pond specification;

the large-size seedling culture pond is in a strip shape, the width of the pond is 6 meters, the depth of the pond is 1.0 meter, the length of the pond is equivalent to the length of the greenhouse, and the slope ratio is 1: 2;

(3) heating setting;

arranging a boiler heating device to control the early water temperature to be 18-21 ℃; the installation method and the pipeline arrangement of the boiler are approximately the same as those of the existing aquaculture technology, the boiler can be configured by the existing technology, meanwhile, a temperature sensor is arranged in the culture pond, the temperature sensor is used for controlling the start and stop of the boiler, the water temperature is ensured to be within a set value range, the phenomenon of overhigh and overlow is prevented, and an air energy type air conditioning device can be additionally arranged for improving the environment temperature so as to ensure that the temperature in the greenhouse is matched with the water temperature;

(4) arranging float grass;

the method comprises the following steps of planting the waterweeds and the water hyacinth in the pond in a partitioning mode, planting at intervals, planting the waterweeds in a partitioning mode, and planting the water hyacinth in a strip shape along the length direction of the pond, wherein the water hyacinth is shown in figure 1. The water grass coverage area accounts for 60-80% of the total pool area, the two aquatic plants grow vigorously at the temperature in the greenhouse, and the waterweed and the water hyacinth root hair can provide a good shelter for the juvenile shrimps and avoid mutual killing;

(5) erecting a plant solar lamp;

a plant solar lamp (which can be directly purchased from the market) is erected every 6-8 meters along the length direction of the internal small shed, so that the plant illumination can be increased, the plant growth can be promoted, the temperature in the shed can be increased, and the energy utilization efficiency is high;

(6) putting seedlings;

after 1 day when the juvenile crayfishes of the red swamp crayfishes are just separated from the parent, the temperature is reduced to 25 ℃, after 2 to 3 days, the juvenile crayfishes are transferred into a pond in a double-layer greenhouse for stocking, and the stocking density is controlled to be 8 ten thousand tails per mu;

(7) feeding the feed;

feeding No. 0 powder material with 40 egg white and yolk every day and feeding No. 1 granular material with 35-38 egg white twice every day in the first 14 days after the young seedlings are put in, wherein the feeding amount accounts for 6 percent of the weight of the shrimps; feeding at 8 o 'clock earlier by 35% of the feeding amount of the feeding machine all day, and feeding at 17 o' clock afternoon by 65% of the feeding amount of the feeding machine all day;

(8) a microporous aerator is used for oxygenation;

although the red crayfish is resistant to hypoxia, the oxygen demand of the juvenile shrimps is high, and the micro-pores are opened 5-6 points earlier per day for oxygenation for 1 hour, so that the dissolved oxygen in the water body can be improved, the juvenile shrimps can be prevented from hiding for a long time to influence the growth, and the juvenile shrimps are promoted to go out to find food;

(9) fishing;

after 40 days of fry placement, catching young shrimps of more than 3-5cm by using a large-mesh ground cage, and fishing out the shrimps from the shed for stocking.

Example two.

As shown in fig. 1.

A large-size fry double-layer shed cultivation system for red crayfish comprises an outer-layer shed 1, inner-layer small sheds 2 and cultivation ponds 3, wherein the inner-layer small sheds 2 are wrapped in the outer-layer shed 1, a strip-shaped cultivation pond 3 is arranged in each inner-layer small shed 2, each cultivation pond 3 is divided into a strip-shaped water hyacinth planting area 4 and a block-shaped waterweed planting area 5, and the strip-shaped water hyacinth planting area 4 and the block-shaped waterweed planting area 5 are used for young shrimps to avoid and avoid mutual killing; a plant sun lamp 6 is arranged on the inner layer small shed 2 at intervals of 6-8 meters to promote the growth of aquatic weeds; a heating device 7 is arranged in or outside the outer-layer greenhouse 1, and the heating device 7 is a boiler, an air conditioner or a resistance wire heater.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. A large-size fry double-layer shed cultivation system for red crayfish is characterized by comprising an outer-layer shed (1), inner-layer sheds (2) and a cultivation pond (3), wherein the inner-layer sheds (2) are wrapped in the outer-layer shed (1), a strip-shaped cultivation pond (3) is arranged in each inner-layer shed (2), the cultivation pond (3) is divided into a strip-shaped water hyacinth planting area (4) and a block-shaped waterweed planting area (5), and the strip-shaped water hyacinth planting area (4) and the block-shaped waterweed planting area (5) are used for enabling the young crayfish to avoid mutual killing; a plant sun lamp (6) is arranged on the inner layer small shed (2) to promote the growth of aquatic weeds; a heating device (7) is arranged in or outside the outer layer greenhouse (1).

2. The cultivation system as claimed in claim 1, wherein the heating device (7) is a boiler, an air conditioner or a resistance wire heater.

3. The cultivating system as claimed in claim 1, wherein the plant sunlamps (6) are installed one at a time interval of 6-8 m.