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Factory-like large-scale seed culture device and method for marsupenaeus japonicus

A technology of a cultivation device and a cultivation method, which is applied in the field of industrialized large-scale seed cultivation devices of Penaeus japonicus, and can solve the problems of small individuals, difficulty in grasping the number of seed survival rates, and instability in the later stage

Inactive Publication Date: 2016-02-03
YANTAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the seedlings are put in, because the individual is small and the sand is buried, the early management is very difficult, the survival rate of the seedlings is only about 30%, and the number is difficult to grasp in the later stage, resulting in a general yield of less than (750kg / hm2) and instability

Method used

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  • Factory-like large-scale seed culture device and method for marsupenaeus japonicus
  • Factory-like large-scale seed culture device and method for marsupenaeus japonicus

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Embodiment 1

[0046] The industrialized large-scale seed cultivation device of Penaeus japonicus of the present embodiment, refer to the attached Figure 1-2 , including a plurality of cultivation ponds 12 located in the cultivation chamber. The cross section of the cultivation pond 12 is circular. The cultivation pond 12 is provided with temperature control, water supply and air supply devices. In the air-lift device 11 that inflates into the cultivation pond 12 and can drive the pool water to rotate and flow, a drainage standpipe 1 is installed at the drain outlet at the bottom of the cultivation pond 12, and a part of the pipe body of the drainage riser 1 near the bottom of the cultivation pond 12 is provided with drainage Hole 2, the bottom of drainage standpipe 1 is equipped with blowdown pipe 3, and one end of blowdown pipe 3 is inserted in the seedling collection groove 4; A circular sewage collection area is formed; the gas lift device 11 includes an outer tube 5 that is at the same...

Embodiment 2

[0048] The industrial large-scale seed cultivation method of Penaeus japonica in this embodiment comprises the following cultivation steps:

[0049] 1. Cultivation room and pool setting

[0050] Cultivation room area 600~1000m 2 , with a glass fiber reinforced plastic or plastic membrane roof, the roof shading rate reaches more than 80%, and the indoor light intensity is maintained at 500~1000lx;

[0051] The cultivation pool 12 is built indoors. The cultivation pool 12 is circular, with a diameter of 5m, a pool depth of 1.4m, and an effective water depth of 1.1~1.2m; the middle of the cultivation pool is drained, and the gradient from the bottom of the pool to the outlet is 4~6%. Φ110cm pvc drainage riser 1; drainage riser 1 from the bottom to 50cm, every cm 2 Drill one Φ0.3cm drainage hole 2; the drainage standpipe 1 is connected to the sewage valve 10 outside the pool through the sewage pipeline 3 pre-buried at the bottom of the pool, and the length 100cm×width 80cm×is pr...

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Abstract

The invention relates to a factory-like large-scale seed culture device and method for marsupenaeus japonicus, and belongs to the technical field of prawn farming. The method includes the following processing steps that 1, a culture pond is constructed; 2, sanding is conducted; 3, a gas-lift unit is installed; 4, disinfecting is carried out; 5, inflow is performed; 6, seeds are put in; 7, the water color is adjusted; 8, bait is thrown; 9, the water quality and growth conditions are monitored; 10, the seeds are moved out of the pond. According to the method, factory-like high-density and large-scale (about 3 cm) seed culture can be conducted, the culture period in the culture pond is shortened, and the large-scale seed culture device and method for the marsupenaeus japonicus which is cultured for multiple batches in one year are realized. By the adoption of the method, the body length of the seeds is cultured to be about 3 cm from 0.8 cm, and the survival rate of the marsupenaeus japonicus can reach 80%; the marsupenaeus japonicus is cultured into commercial sized marsupenaeus japonicus from the body length of about 3 cm, the survival rate of the marsupenaeus japonicus can reach 70%, and the yield can reach 1500-2250 kg / hm2.

Description

technical field [0001] The invention relates to an industrialized large-scale seed cultivation device and a cultivation method of Penaeus japonica, belonging to the technical field of prawn cultivation. Background technique [0002] Shrimp is a popular aquatic food. In recent years, high-level ponds and industrial high-density aquaculture water bodies of Litopenaeus vannamei and Penaeus monodon at home and abroad have increased rapidly, and the technology has been perfected day by day. The equivalent yield has reached 7.5kg / m 2 above. Penaeus japonicus is an excellent species of prawns. It can be sold as live shrimps because of its resistance to dry transportation. It has bright color patterns and good taste when eaten raw. It is also favored by the market. The price has always been 3 to 5 times the price of other types of prawns. . Penaeus japonicus is distributed in China's Bohai Sea, Yellow Sea and the western coast of the Korean Peninsula; in my country's coastal areas...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K61/59
CPCY02A40/81
Inventor 杜荣斌刘立明吴艳庆张玉祥王志宝王仁龙
Owner YANTAI UNIV
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