CN101480170B - Method for inducing and domesticating wild Sinilabeo decorus tungting - Google Patents
Method for inducing and domesticating wild Sinilabeo decorus tungting Download PDFInfo
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- CN101480170B CN101480170B CN2008101437710A CN200810143771A CN101480170B CN 101480170 B CN101480170 B CN 101480170B CN 2008101437710 A CN2008101437710 A CN 2008101437710A CN 200810143771 A CN200810143771 A CN 200810143771A CN 101480170 B CN101480170 B CN 101480170B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a method for inducing and domesticating wild Sinilabeo decorus tungtings, which comprises the following steps of selecting a site for building a pit, collecting wild Sinilabeo decorus tungtings, mixing and culturing the wild Sinilabeo decorus tungtings, casting feed and inducing and domesticating the wild Sinilabeo decorus tungtings. The invention domesticates the wild Sinilabeo decorus tungtings under the discharge condition of the cement pit, enables the wild Sinilabeo decorus tungtings to reach a live rate higher than 95 percent and favorably grow and develop, provides technological conditions for saving, protecting and utilizing rare species, changes the food habit of the Sinilabeo decorus tungtings from the scrape of sessile algae into the intake of commercialfeed for benefiting the growth and the development. The pit has favorable water quality, freely intakes and distains water, is convenient to observe and can adjust the food intake of the Sinilabeo decorus tungtings at any time. In a fish disease sensitive period, fish diseases can be controlled by environment improvement and drug prevention so as to solve the problem that the wild Sinilabeo decorus tungtings are still not cultured in batches in the technical field of aquiculture and realize the mass industrialization development of the Sinilabeo decorus tungtings.
Description
Technical field
The invention belongs to technical field of aquaculture, relate to the domesticating method of a kind of fish, especially a kind of method for inducing and domesticating of rare fresh-water fishes wild Sinilabeo decorus tungting.
Background technology
There is a kind of fish in China, and the name Sinilabeo decorus tungting belongs to Cyprinidae China dace and belongs to.Mainly be distributed in the Dongting Lake in Hunan Province and Hunan, money, river flowing from Guizhou Province through Hunan into Dongting Lake, Li Sishui.Statistics according to more than 30 counties and cities in the territory that produces this fish once reached 219 tons when annual production is the highest.Afterwards because barrage is built a dam, environmental pollution, cruel fishing is excessively captured and various reasons such as ecological transition, the resource slump of disastrous proportions, by 2007, statistics dropped to 423kg and unexpectedly not as good as half ton.The existing natural spawning ground of the wild fingerling of endangered this is 5 places only, they be distributed in Hongjiang, together with and minority counties and districts such as Yuanling.The Sinilabeo decorus tungting fine and tender taste, nutritious, excellent taste is the distinctive large-scale economic fish in Hunan, because scarcity of resources, the market price rises violently naturally, has been lifted to 250～300 yuan/kg now.In order to rescue and protect this rare kind of fish, a problem of never inquiring into---wild Sinilabeo decorus tungting domestication breed domestic technology just put objectively we in face of.And before this, look through history, though be no lack of the article of some relevant wild Sinilabeo decorus tungting fundamental biological knowledge researchs, do not seen one piece of report all the time about the Sinilabeo decorus tungting artificial domesticating and cultivating yet.
Summary of the invention
The technical problem to be solved in the present invention is, at the deficiencies in the prior art, proposes a kind of method for inducing and domesticating of wild Sinilabeo decorus tungting, and this method is by the artificial feeding technology, thereby makes wild Sinilabeo decorus tungting transfer the industrialization development that artificial feeding can realize Sinilabeo decorus tungting to.
Technical solution of the present invention is, a kind of method for inducing and domesticating of wild Sinilabeo decorus tungting, and this method is followed following step:
(1), selects Di Jianchi.Select the nearly water of reservoir or dam downstream area and build cement pit as the domestication pond.Domestication pond brick mix structure is rectangle or ellipse.Dark 1.4～the 1.5m in pond, water surface area 12～15 * 3～4m
2The pool wall periphery is erected with and can supplies the hidden cool canopy of perching of pond fish.The bottom surface, pond is formed slopely even gradient by water inlet to the discharge ends direction, makes into water and draining smoothness, and the water of diversion storehouse or dam is gone into formation flowing water pond, pond again, keeps the miniflow water state, flow velocity 0.1～0.2m/s, transparency 70～80cm, dissolved oxygen content 6～9mg/L.Conventional water purification measure carrying out water source purifying is handled, and guarantees that water quality is good;
(2), gather wild Sinilabeo decorus tungting.Selecting season in time of the year when autumn changes into winter is that 10～November and the end of spring and the beginning of summer are that wild Sinilabeo decorus tungting is fished in late March～korneforos, the Congjiang in the first tenday period of a month in May, and institute's fingerling that obtains is put into the domestication pond after water temperature adapts to, and input density is 1～2 tail/m
2
(3), mix cultivation.5～10 times of (2) the wild Sinilabeo decorus tungting quantity of the throwing in fish species that drop into the sturgeon kind of success domestication or successful other disposition docility of taming in the pond are mixed cultivation, hybrid density 5～10 tails/m with wild Sinilabeo decorus tungting in the pond set by step
2Saline solution or 2ppm Eusol with 3% before the sturgeon lower storage reservoir soak sterilization in 5～10 minutes;
(4), the feed of throwing something and feeding.The throw something and feed heavy property commercial feed of small particle diameter solids of nutritious, good palatability of yellow worm powder and protein content 30～40% of Xiang Chizhong adapts to wild Sinilabeo decorus tungting as early as possible and propagates environment artificially.Described feedstuff feeding amount be full pond fish heavy 2～3%/day, day throw 2 times, regularly, fixed point throws something and feeds;
(5), inducing and acclimating.Utilize step (3) the sturgeon of throwing or other kind fish under these conditions to the wild Sinilabeo decorus tungting property followed inducing and acclimating in the pond, domestication 80～90 days.Raise and train in the process, should be specifically noted that the harm of parasitosis such as little melonworm.In the 4～May and the October in every year, during 17～19 ℃ of pond water temperatures, little melonworm grows procreation, easily Sinilabeo decorus tungting is caused crushing harm, and prevention is strengthened in the measure that can take to reduce water exchange capacity, promote water temperature, simultaneously, and the benefit of regularly the splashing dimension rhzomorph desinsection that carries out disinfection.Wild Sinilabeo decorus tungting is tamed after 20～30 days and is begun to ingest in the pond, normally ingests after 60 days, recovers physique about 90 days and can divide the pond to feed.
The invention has the beneficial effects as follows, under the cement pit discharge condition, realize domestication, for the rescue utilization of this rare kind of Sinilabeo decorus tungting provides the basic fundamental condition wild Sinilabeo decorus tungting.Make the Sinilabeo decorus tungting feeding habits transfer the commercial feed of ingesting to, help the nutrition guarantee, promote to grow by scraping the food sessile algae.Source quality is good, advances draining control freely, is convenient to viewing test, and can regulates the feeding activity of Sinilabeo decorus tungting at any time.In the sensitive periods of fish disease harm, can be by the effective main fish disease of control of enhancement of environment and medical treatment, thus solved the technical field of aquaculture difficult problem of artificial culture wild Sinilabeo decorus tungting in batches not yet so far, make extensive industrialization development Sinilabeo decorus tungting become possibility.
Embodiment:
Embodiment 1,
(1), selects Di Jianchi.Select nearly water area, reservoir downstream and build cement pit as the domestication pond.Domestication pond brick mix structure is rectangle.The dark 1.4m in pond, water surface area 12 * 3m
2The pool wall both sides are set up cool canopy with asbestos shingle respectively and are perched for pond fish is hidden.The bottom surface, pond is formed slopely even gradient by water inlet to the discharge ends direction, makes into water and draining smoothness.The water in diversion storehouse is gone into formation flowing water pond, pond again, keeps the miniflow water state, flow velocity 0.1m/s, transparency 70cm, dissolved oxygen content 6～9mg/L.And use conventional water purification measure to carry out water source purifying and handle, guarantee that water quality is good;
(2), gather wild Sinilabeo decorus tungting.Selecting season in time of the year when autumn changes into winter is that 10～November and the end of spring and the beginning of summer are to fish for wild Sinilabeo decorus tungting late March～the first tenday period of a month in May, institute's fry specification that obtains is in 0.1～2.0kg/ tail scope, after oxygenation is transported to plant, after the water temperature environmental adaptation, put into the domestication pond again, input density is 1 tail/m
2
(3), mix cultivation.5 times of the quantity of (2) the wild Sinilabeo decorus tungting fry of throwing in the hybrid sturgeon fries of dropping into the successful heavy 50g that tames in the pond mix cultivation, hybrid density 5 tails/m with wild Sinilabeo decorus tungting in the pond set by step
2Saline solution with 3% before the sturgeon fry lower storage reservoir soaks sterilization in 5～10 minutes;
(4), the feed of throwing something and feeding.The throw something and feed commodity sturgeon pellet of yellow worm powder and protein content 30% of Xiang Chizhong, every day each 1 time sooner or later, fixed point is thrown something and fed, described feedstuff feeding amount be full pond fish heavy 2%/day, wild Sinilabeo decorus tungting is adapted to as early as possible propagates environment artificially;
(5), inducing and acclimating.Utilize step (3) the sturgeon of throwing under these conditions to throwing the wild Sinilabeo decorus tungting property followed inducing and acclimating in the pond, domestication 80 days.Raise and train in the process, note the harm of parasitosis such as little melonworm.In the 4～May and the October in every year, during 17～19 ℃ of pond water temperatures, the measure of taking to reduce water exchange capacity, promote water temperature prevents little melonworm to grow procreation, simultaneously, and the benefit of regularly the splashing dimension rhzomorph desinsection that carries out disinfection.The wild Sinilabeo decorus tungting domestication began to ingest after 20～30 days in the pond, normally ingested after 60 days, divided the pond to feed after 90 days.The Sinilabeo decorus tungting parent in 1 year of artificial domesticating and cultivating can breed by artificial induced spawning, and the present invention all succeeds through repeatedly testing.
Embodiment 2,
(1), selects Di Jianchi.Select nearly water area, dam downstream and build cement pit as the domestication pond.Domestication pond brick mix structure, ovalize.The dark 1.5m in pond, water surface area 60m
2The both sides pool wall takes with 10 prefabricated boards respectively that to put an area be 2m
2The cavernous cool canopy perch for pond fish is hidden.The bottom surface, pond is formed slopely even gradient by water inlet to the discharge ends direction, makes into water and draining smoothness, draws the water of dam again and goes into formation flowing water pond, pond, keeps the miniflow water state, flow velocity 0.2m/s, transparency 80cm, dissolved oxygen content 6～9mg/L.Conventional water purification measure carrying out water source purifying is handled, and guarantees that water quality is good;
(2), gather wild Sinilabeo decorus tungting.Selecting season in time of the year when autumn changes into winter is that 10～November and the end of spring and the beginning of summer are to fish for wild Sinilabeo decorus tungting late March～the first tenday period of a month in May, institute's fry specification that obtains is in 0.1～2.0kg/ tail scope, after oxygenation is transported to plant, after the water temperature environmental adaptation, put into the domestication pond again, input density is 2 tails/m
2
(3), mix cultivation.10 times of the quantity of (2) the wild Sinilabeo decorus tungting fry of throwing in the hybrid sturgeon fries of dropping into the successful heavy 100g that tames in the pond mix cultivation, hybrid density 10 tails/m with wild Sinilabeo decorus tungting in the pond set by step
2, use 2ppm Eusol soaking disinfection before the sturgeon fry lower storage reservoir;
(4), the feed of throwing something and feeding.The throw something and feed commodity sturgeon pellet of yellow worm powder and protein content 40% of Xiang Chizhong, feedstuff feeding amount be full pond fish heavy 3%/day, every day each 1 time sooner or later, fixed point is thrown something and fed, and wild Sinilabeo decorus tungting is adapted to as early as possible propagate environment artificially;
(5), inducing and acclimating.Utilize step (3) the sturgeon of throwing or other kind fish under these conditions to throwing the wild Sinilabeo decorus tungting property followed inducing and acclimating in the pond, domestication 90 days.Raise and train in the process, note the harm of parasitosis such as little melonworm.In the 4～May and the October in every year, during 17～19 ℃ of pond water temperatures, the measure of taking to reduce water exchange capacity, promote water temperature prevents little melonworm to grow procreation, simultaneously, and the benefit of regularly the splashing dimension rhzomorph desinsection that carries out disinfection.The wild Sinilabeo decorus tungting domestication began to ingest after 20～30 days in the pond, normally ingested after 60 days, divided the pond to feed after 90 days.
The implementation result of present embodiment 2 and embodiment 1 is good, reaches designing requirement fully.According to statistics, survival rate is all more than 95%, and it is good to grow.
Claims (1)
1. the method for inducing and domesticating of a wild Sinilabeo decorus tungting, this method is following step:
(1), select Di Jianchi, select the nearly water of reservoir or dam downstream area and build cement pit as the domestication pond, domestication pond brick mix structure is rectangle or oval, the dark 1.4～1.5m in pond, water surface area 12～15 * 3～4m
2The pool wall periphery is erected with and can supplies the hidden cool canopy of perching of pond fish, the bottom surface, pond is formed slopely even gradient by water inlet to the discharge ends direction, makes into water and draining smoothness, and the water of diversion storehouse or dam is gone into formation flowing water pond, pond again, keep the miniflow water state, flow velocity 0.1～0.2m/s, transparency 70～80cm, dissolved oxygen content 6～9mg/L, conventional water purification measure carrying out water source purifying is handled, and guarantees that water quality is good;
(2), gather wild Sinilabeo decorus tungting, select season in time of the year when autumn changes into winter promptly 10～November be that wild Sinilabeo decorus tungting is fished in late March～korneforos, the Congjiang in the first tenday period of a month in May with the end of spring and the beginning of summer, institute's fingerling that obtains is put into after water temperature adapts to and is tamed the pond, input density is 1～2 tail/m
2
(3), mix to cultivate, 5～10 times of (2) the wild Sinilabeo decorus tungting quantity of the throwing in sturgeon kinds that drop into successful domestications in the pond are mixed cultivation, hybrid density 5～10 tails/m with wild Sinilabeo decorus tungting in the pond set by step
2, saline solution or 2ppm Eusol with 3% before the sturgeon lower storage reservoir soak sterilization in 5～10 minutes;
(4), the feed of throwing something and feeding, the throw something and feed commercial feed of yellow worm powder and protein content 30～40% of Xiang Chizhong adapts to wild Sinilabeo decorus tungting as early as possible and propagates environment artificially, described feedstuff feeding amount be full pond fish heavy 2～3%/day, day throw 2 times, regularly, fixed point throws something and feeds;
(5), inducing and acclimating, utilize step (3) the sturgeon of throwing under these conditions to the wild Sinilabeo decorus tungting property followed inducing and acclimating in the pond, domestication 80～90 days, in the 4～May and the October in every year, during 17～19 ℃ of pond water temperatures, the measure that take to reduce water exchange capacity, promotes water temperature prevents little melonworm to grow procreation, the benefit of regularly the splashing dimension rhzomorph desinsection that carries out disinfection.
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| CN103330078A (en) * | 2013-06-28 | 2013-10-02 | 华中农业大学 | Mandarin fish feed and artificial feeding domestication method for mandarin fish |
| CN103329830B (en) * | 2013-07-12 | 2015-03-11 | 中国水产科学研究院长江水产研究所 | Wild-training method for improving feeding ability of released Acipenser dabryanus |
| CN103651221A (en) * | 2013-12-30 | 2014-03-26 | 江川县水产技术推广站 | Domestication management technology of barbodes fuxianhuensis |
| CN106719124B (en) * | 2016-11-25 | 2019-09-20 | 湖南省水产原种场 | A kind of method of domestication's Sinilabeo decorus tungting juvenile fish |
| CN107372230A (en) * | 2017-09-20 | 2017-11-24 | 吴宇 | A kind of artificial fecundation method of lip dace |
| CN111248120B (en) * | 2020-03-27 | 2023-06-13 | 浙江省海洋水产养殖研究所 | Wild brown-spot cynoglossus semilaevis fry domestication method |
| CN114698575A (en) * | 2022-05-10 | 2022-07-05 | 湖南文理学院 | Breeding method for variegated carp heterogenous gynogenesis |
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| CN101138327A (en) * | 2007-10-18 | 2008-03-12 | 复旦大学 | Sungkiang weever desalination fingerling cultivating method |
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