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A technology for artificial reproduction of macular basketfish, which is applied in the field of artificial propagation of macular basketfish, can solve the problems that the quality and quantity of macular basketfish cannot meet the development of aquaculture industry, and achieve strong production usability, increase the amount of fecundity, and artificial control high effect
Pending Publication Date: 2018-02-02
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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Problems solved by technology
[0004] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a method for artificial reproduction of the yellow-spotted basketfish, aiming at solving the problem that the quality and quantity of the yellow-spotted basketfish cannot satisfy the development of the existing aquaculture industry
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Embodiment 1
[0073] (1) Breeding of broodstock
[0074] ① Breeding of broodstock
[0075] From April to June 2016, part of the macular basketfish that drilled into the cage at the seedling stage was raised in the cages of the oval pomfret in the deep-water anti-wind and wave cage culture area with a water depth of 7-10 meters in Dapengao, Shenzhen. Basket fish are raised together with pompano ovata in cages.
[0076] ② Domestication of broodstock
[0077] After the Lunar New Year in 2017, when the seawater temperature was 18°C, 30 yellow-spotted basketfish weighing more than 200g were selected from marine cages and transported to the wharf in the living water tank of the fishing boat, and then quickly transferred to the indoor cement pool with oxygen Domesticated in the middle of the day, the indoor daytime light is 100-150lx, and the area of the domesticated cement pool is 8m 2 , water depth 1.5m, flowing water culture, flow rate 0.3m 3 / h, and it can be adjusted according to the ch...
Embodiment 2
[0089] (1) Breeding of broodstock
[0090] ① Breeding of broodstock
[0091] From April to June 2016, part of the macular basketfish that drilled into the cage at the seedling stage was raised in the cages of the oval pomfret in the deep-water anti-wind and wave cage culture area with a water depth of 7-10 meters in Dapengao, Shenzhen. Basket fish are raised together with pompano ovata in cages.
[0092] ② Domestication of broodstock
[0093] After the Lunar New Year in 2017, when the seawater temperature in Shenzhen Dapeng’ao sea area was 20°C, 50 macular basketfish weighing more than 200g were selected from the sea culture cages and transported to the wharf in the living water tank of the fishing boat, and then oxygenated and inflated Quickly transfer to an indoor cement pool for domestication, the indoor daytime light is 100-150lx, and the area of the domesticated cement pool is 14m 2 , water depth 1.2m, running water culture, flow rate 0.5m 3 / h, and it can be adjust...
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Abstract
The invention discloses a rabbitfish siganus oramin artificial propagation method. The method compriss the steps of parent fish rearing, parent fish maturity observation, artificial spawning, artificial insemination and germ cell incubation. According to the method, 1-2-months ahead of the schedule, parent rabbitfish siganus oramin is picked up from a seaborne deepwater net cage, the rabbitfish siganus oramin is put in an indoor cement pit to be cultured, running water and illumination are controlled, the shielded environment is provided, nutrient enrichment is assisted, egg maturation is promoted, the brood amount is increased, artificial injection and parturition hastening are adopted, close observation is performed after parturition hastening, the parent fish gonad maturity is inspectedregularly, after it is determined that sperms and eggs are mature enough, the dry method insemination method is adopted for artificial insemination, germ cells are incubated through an incubation barrel, the problems that due to the fact that in a traditional rabbitfish siganus oramin propagation method, parent fish spawning and spermiation are not synchronous and germ cells are stuck, death is caused due to lack of oxygen are solved, and the method has the advantages that the manual control degree of technological links is high, the production practicability is high, the cultured parent fishbrood amount is large, the germ cell quality is good, and the hatching rate is high.
Description
technical field [0001] The invention relates to the technical field of fish breeding, in particular to an artificial propagation method for macular basketfish. Background technique [0002] The yellow-spotted basketfish (Siganus oramin), commonly known as mudmen and stinky-bellied fish, belongs to Perciformes, Basketfishidae, and Basketfish genus. It is a small inshore fish that is distributed in the East China Sea, South China Sea and Taiwan Sea. Because of its tender meat and delicious taste, it is deeply loved by consumers; because of its omnivorous and herbivorous feeding habits, and prefers to eat attached algae, it has the advantages of easy feed source, low breeding cost, strong disease resistance, clean netting, and long feeding cycle. Short and many other advantages. In recent years, it has developed rapidly in the coastal area of South China, and has become one of the new objects of main and polyphagous omnivorous fish culture in offshore seawater cages. The mar...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 黄小林林黑着李涛杨育凯虞为黄忠
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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