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Rapid breeding technology of hapalogenys mucronatus

A technology of the mustard seabream and cross-band, which is applied in the field of rapid cultivation of the cross-band sea bream, can solve the problem of affecting the breeding efficiency and industrial development of the cross-band sea bream, the immature and standardized cultivation technology of the sea bream, and the growth of the sea bream. Slow speed and other problems, to achieve the effect of high yield, high body length and body weight, high nutritional value

Active Publication Date: 2021-11-05
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The barbed bream can be put on the market with a weight of more than 3 taels, and the price is high; however, because the breeding technology of the barbed bream is not yet mature and standardized, there are a series of constraints such as slow growth rate and low survival rate of the barbed bream , seriously affecting the breeding benefits and industrial development of the barbed bearded seabream

Method used

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  • Rapid breeding technology of hapalogenys mucronatus
  • Rapid breeding technology of hapalogenys mucronatus
  • Rapid breeding technology of hapalogenys mucronatus

Examples

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Effect test

Embodiment 1

[0042] A kind of rapid growth technology of barbed bearded sea bream, comprising the following steps:

[0043] (1) Breeding pond treatment: select an oval-shaped breeding pond with a length of 5m, a width of 3m, and a height of 1.2m; the long side of the cultivation pond is equipped with a PVC inflatable pipe to ensure that the dissolved oxygen content of the water body is 6.5mg / L; Disinfect the sodium hypochlorite solution along the upper edge of the pool and flow down the entire breeding pond, then add 10.5cm of seawater to control the concentration of sodium hypochlorite solution at 350ppm, which can kill all potential bacteria and parasites and other harmful organisms. The bait basket used in the breeding process , water ladle, fishing net, PVC pipe (shelter), inflatable head, water inlet mesh bag (300 mesh) and other tools are soaked in sodium hypochlorite solution with a concentration of 800ppm for 10 hours; the whole pool is thoroughly cleaned, and then cleaned The sea ...

Embodiment 2

[0051] A kind of rapid cultivation technology of barbed bearded sea bream, other steps are all the same as embodiment 1, and different from embodiment 1 is:

[0052] Step (2) During seed placement, the natural seawater brought in by the high tide is subjected to dark sedimentation and sand filtration, and then sterilized with 50ppm bleaching powder for 3 days, and then put into the culture pond, and the temperature of the culture pond is controlled to be 21°C , the salinity is 25;

[0053] Adopt the model of ecological polyculture of bearded seabream and perch (perch), and select the bearded seabream and sea bass with complete body, strong body, no injury and disease; Accounting for 93.75% of the total number of seedlings, sea bass is a polyculture species, and the number of stocking is 40, accounting for 6.25% of the total number of seedlings; among them, the stocking specifications of the barbed bearded seabream are 5.5cm in average body length and 2.3g in average body weigh...

Embodiment 3

[0055] A kind of rapid cultivation technology of barbed bearded sea bream, other steps are all the same as embodiment 1, and different from embodiment 1 is:

[0056] Step (3) During the feeding of the bait, put the bait in the breeding pond; by mass percentage, in the bait composition, the long arm shrimp is 40%, and the brown shrimp is 48%. When feeding, the bait is first soaked in fresh water for 5min , and then mixed with 4% vitamin C, 2% vitamin E and 6% immune polysaccharides to enhance the resistance of the fish body; use fixed-point and regular feeding methods, adhere to the principle of small meals and frequent meals, divide 06:00 and 10 every day :00, 14:00, and 18:00 were fed at four time points, and the daily feeding amount accounted for about 3.5% of the fish's body weight (the proportion of daily feeding amount gradually decreased as the fish weight increased), and the feeding amount at 06:00 in the morning The feeding amount accounts for 35% of the daily feeding ...

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Abstract

The invention discloses a rapid breeding technology of hapalogenys mucronatus. The rapid breeding technology comprises the following steps: treatment of a culture pond: selecting an elliptical culture pond, disinfecting the culture pond and culture tools by using a disinfectant, and cleaning the culture pond with seawater for later use; fry putting: selecting an ecological polyculture mode of hapalogenys mucronatus and perches; bait feeding: putting bait into the culture pond; carrying out bottom sucking and water changing continuously in the culture period, adopting aerated micro-flowing water for culture, and ensuring that water is fresh; grading at proper time: when the pond is cleaned and disinfected, independently selecting individuals growing slowest to another water body for independent culture; adopting a competitive mechanism of last elimination; and disease control: performing medicated bath disinfection and pond cleaning treatment on the fish bodies in the culture process. The rapid, efficient and healthy breeding technology for the hapalogenys mucronatus is provided; and the obtained hapalogenys mucronatus has the advantages of higher survival rate, higher body length, higher body mass, higher nutrient substances, higher nutritional value and higher polyunsaturated fatty acid content.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a rapid cultivation technology of barbed bearded bream. Background technique [0002] Hapalogenys mucronatus belongs to Perciformes, Pomadasyidae, and Hapalo genys, commonly known as 16 pieces. It is an inshore and lower-level fish that likes to inhabit sea areas with many rocky reefs. , is a typical island and reef fish that feeds on small fish, crustaceans and shellfish. The barbed bearded seabream has the advantages of delicious meat, high nutritional value, bright body color and high economic value. It is favored by consumers and fishing enthusiasts. It is a marine fish with high edible value and ornamental value. At the end of the last century, with the overfishing of fishery resources and the rapid development of the port-based industry, the wild resources of the barbed bearded bream dropped sharply, and there was a dilemma of "one fish is hard to find" in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10A01K61/13A23K50/80A23K10/22A23K20/163A23K20/174
CPCA01K61/10A01K61/13A23K50/80A23K10/22A23K20/163A23K20/174Y02A40/81
Inventor 张涛史会来平洪领卢斌
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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