Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for rearing trachinotus ovatus seeds

A technology of egg-shaped pomfret and breeding method, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems of high cost and high seed price, and achieve the effects of less injury, low cost and reduced breeding cost

Active Publication Date: 2020-09-01
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The demand for its fry has also increased greatly. Like all seawater fish, the early larvae of the pomfret are small in diameter and have stricter requirements for open bait. At present, the best and practical bait organisms are rotifers and copepods , but the large-scale production of rotifers requires certain technologies and sites, and the cultivation of algae for rotifers requires a large site and water body for production, so the cost of seed cultivation is relatively high, and the price of seed is also at a high level for a long time

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Present embodiment provides a kind of cultivation method of oval pomfret seed, it comprises the following steps:

[0028] (1) Pond cleaning and disinfection.

[0029] The specific realization is that the pond is cleaned, exposed to the sun for 2 days, water inflow is 50cm, the whole pond is sprinkled with quicklime, the amount of quicklime is 80kg / mu, and the waterwheel type aerator is started to stir the pool water to make the disinfection even.

[0030] (2) into the hydroponic algae.

[0031] The specific implementation is to continue to add sand-filtered seawater to a depth of 2m after 3 days, select a sunny day at 10-11 a.m. to inoculate the algae, and sprinkle the algae auxin, and start the waterwheel type aerator to stir the pool water to promote the growth of algae.

[0032] (3) Inoculate rotifers and put prawn seedlings.

[0033] The specific realization is that when the water color of the pond is getting thicker, that is, when the color of the translucent alg...

Embodiment 2

[0047] Present embodiment provides a kind of cultivation method of oval pomfret seed, it comprises the following steps:

[0048] (1) Pond cleaning and disinfection.

[0049] The specific implementation is that the pond is cleaned, exposed to the sun for 3 days, and the water is 20cm, the whole pond is sprinkled with quicklime, the amount of quicklime is 100kg / mu, and the waterwheel type aerator is started to stir the water to make the disinfection even.

[0050] (2) into the hydroponic algae.

[0051] The specific realization is that after 4 days, continue to add sand-filtered seawater to a depth of 2.5m, choose a sunny day at 10-11 am to inoculate the algae, and sprinkle the algae auxin, and start the waterwheel type aerator to stir the pool water to promote the growth of algae .

[0052] (3) Inoculate rotifers and put prawn seedlings.

[0053] The specific implementation is to inoculate the rotifers when the water color of the pond is getting thicker, that is, when it is ...

Embodiment 3

[0067] Present embodiment provides a kind of cultivation method of oval pomfret seed, it comprises the following steps:

[0068] (1) Pond cleaning and disinfection.

[0069] The specific realization is that the pond is cleaned, exposed to the sun for 3 days, and the water is 30cm inflow. The whole pond is sprinkled with quicklime, the amount of quicklime is 50kg / mu, and the waterwheel type aerator is started to stir the pool water to make the disinfection even.

[0070] (2) into the hydroponic algae.

[0071] The specific realization is that after 5 days, continue to add sand-filtered seawater to a depth of 2.2m, choose a sunny day at 10-11 am to inoculate the algae, and sprinkle the algae auxin, and start the water wheel aerator to stir the water to promote the growth of the algae .

[0072] (3) Inoculate rotifers and put prawn seedlings.

[0073] The specific realization is that when the water color of the pond is getting thicker, that is, when the color of the translucen...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for rearing trachinotus ovatus seeds. The method comprises the following steps of (1) cleaning and disinfecting a pond; (2) feeding water for algae cultivation; (3) inoculating rotifers and putting prawn larvae; (4) hatching fertilized eggs; (5) mounting a seedling cage, wherein the newly hatched trachinotus ovatus larvae cannot pass out of the seedling cage, and algae and the rotifers in the pond can pass in and out of the seedling cage; (6) rearing the larvae in the cage, wherein the newly hatched trachinotus ovatus larvae feed on the rotifers in the seedlingcage, the prawn larvae feed on the rotifers in the pond, the rotifers feed on the algae, and a small ecological balance system is formed in the whole pond; (7) replacing the seedling cage, namely gradually replacing the seedling cage with a large-mesh cage according to the body lengths of the trachinotus ovatus larvae; and (8) harvesting the larvae. According to the method for rearing the trachinotus ovatus seeds, the trachinotus ovatus seeds are reared while prawns are farmed by using an existing prawn culture pond, and farming sites, facilities and manpower are fully utilized, so that the farming cost is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of pompano seedling cultivation, in particular to a method for cultivating egg-shaped pomfret seedlings. Background technique [0002] Oval Pomfret ( Trachinotus ovatus ) commonly known as golden pomfret, yellow wax pomfret, red three, etc., belonging to Perciformes, Perciformes, Trevalidae, Pomfret subfamily, Pompano genus ( Trachinotus ), widely distributed in tropical and temperate waters of the Pacific, Atlantic and Indian Oceans. The fish is large in size, fast in growth, simple in food habits, tender and delicious in meat quality, and is widely loved by farmers and consumers. With breakthroughs in its breeding technology, artificial compound feed can be used throughout the breeding process, and the export processing market is large. In recent years, the aquaculture industry of oval pomfret has developed rapidly in my country, and has become one of the main seawater fish cultured in cages in souther...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/17A01K61/10A01K61/59
CPCA01K61/10A01K61/17A01K61/59Y02A40/81
Inventor 黄小林周传朋杨育凯虞为李涛林黑着黄忠
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI