CN102715114A - Method for improving mating rate of black rockfish parent fish under condition of industrial aquaculture - Google Patents
Method for improving mating rate of black rockfish parent fish under condition of industrial aquaculture Download PDFInfo
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- CN102715114A CN102715114A CN2012102349450A CN201210234945A CN102715114A CN 102715114 A CN102715114 A CN 102715114A CN 2012102349450 A CN2012102349450 A CN 2012102349450A CN 201210234945 A CN201210234945 A CN 201210234945A CN 102715114 A CN102715114 A CN 102715114A
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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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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention relates to a method for improving the mating rate of black rockfish parent fish under the condition of industrial aquaculture and belongs to the field of fish reproduction. The method is characterized by comprising the following steps: a, selecting parent fish; b, establishing an indoor culture pond; c, stocking the parent fish, d, controlling water source and water temperature; e, controlling water quality; f, choosing and feeding bait; g, controlling lighting; and h, managing during mating period. By controlling lighting, water temperature change and bait feeding, the method can improve the mating rate of the black rockfish parent fish under indoor environment, thereby obtaining successful mating parent fish which can produce black rockfish seedlings in batch. By adoption of the method, the indoor mating rate of the black rockfish parent fish can reach more than 95%, and meanwhile, the black rockfish parent fish which is reproducing indoors can be repeatedly used, so that wild resources are effectively protected, the quality of the black rockfish parent fish is increased, a foundation is laid for obtaining high-quality fish seedlings, and the method of indoor artificial reproduction of the black rockfish is innovated.
Description
Technical field
The invention belongs to the field type propagation, particularly, to an increase in factory farming conditions Sebastodes fuscescens broodstock mating rate method.
Background technology
Hsu rockfish, also known Sebastodes fuscescens, is a passerine rockfish, rockfish Branch, rockfish genus, for the cold temperate coastal demersal fish, ovoviviparous, migratory range of small, widely distributed in China Yellow Sea and East China Sea.It has advantages such as temperature resistant range is wide, adaptability is strong, disease is few, is the desirable kind that artificial fishing bank carries out stock enhancement and cage culture, and has become China's coastal important breed variety in the north.However, due to the special Hsu rockfish reproduction, resulting in the seed breeding technology level is not high, far less than other farmed fish breeding technology.Although Sebastodes fuscescens artificial breeding technology has broken, however, the existing method of reproduction is mainly to obtain wild broodstock with Aberdeen, to be produced in the indoor pond, captive breeding seed.This mode of breeding has been destroyed wild resource to a certain extent, and the prelarva that obtains is of low quality, and survival rate is lower.
External test-tube mode is often taked in the artificial propagation of oviparity fish, this technology comparative maturity in research and production are used, and can not take this mode for the ovoviviparity fish.To completely break Sebastodes fuscescens indoor propagation techniques, the first to break Sebastodes fuscescens indoor mating technology to get in the room with the young brood.
Summary of the invention
The present invention aims to overcome these shortcomings, providing a by controlling light, temperature change and food ration and other measures to improve Sebastodes fuscescens broodstock in the indoor environment of mating rate, thus obtained can be mass-produced seed Sebastodes fuscescens successful mating broodstock approach.
By Sebastodes fuscescens biological characteristics and regularity in the natural environment of breeding research, according to the present invention Sebastodes fuscescens age of sexual maturity and specifications, indoor environmental conditions required for mating and diet composition and feeding methods, and design one kind of increase in factory farming conditions Sebastodes fuscescens broodstock mating rate, the steps are as follows:
One kind of increase in factory farming conditions Sebastodes fuscescens broodstock mating rate, characterized by comprising the steps of:
The selection of a, parent population:
Choose age 4-8 age, body weight 1.5kg above wild or the adult fish cultured as parent population, and body surface do not have permanent disability, body colour is normal, vigor is good;
B, build the indoor culture pond:
Culture the about 15m of area with rounded square or circular cement pit
2, the dark 1m-1.5m in pond, each is cultured the pond and is equipped with 2 undercuts to water inlet pipe, and current are got into along the pool wall level, and the pool inner water body can form circulation; Ecto-entad forms 5 ° of left and right sides angle of declinations at the bottom of the pond, and discharge outlet is established in the centre;
C, parent population are put in a suitable place to breed:
Parent population is put in a suitable place to breed than 1:1.2 according to male and female, density 3-5 tail/m
2, the temperature difference is in 2 ℃ before and after putting in a suitable place to breed;
D, water source and water temperature control:
The parent population breeding water is husky filter nature seawater, and from June best friend caudal knot bundle, temperature of cultivation requires 16-24 ℃;
E, water quality management:
Employing flowing water is cultivated, and a day quantity of exchanged water is no less than 600%, monitors the seawater quality index every day, prevents that water quality from having than great fluctuation process;
F, bait are selected and are thrown something and fed:
Bait selects collocation such as the bright mackerel of ice, sand lance, little chrysanthemum to throw something and feed, be cut into agreeable to the taste fish section by weight proportion mixed in equal amounts throw something and feed, morning and evening every day respectively throws something and feeds once, and bait is repeatedly dropped in the pond on a small quantity, Yi Chidi has a small amount of residual bait for throwing something and feeding principle;
G, illumination control:
Photoperiod changed with reference to the natural daylight cycle, intensity of illumination 100-300lx;
H, manage between pairing-season:
Parent population mating activity since every year by the end of September, get into mating October and contain the phase, finish by the end of October, strict control bait, water temperature and illumination condition reduce artificial disturbance during this.
Say further:
Temperature control method of water in the steps d:
A. the breed initial stage requires water temperature at 16-18 ℃, and temperature of cultivation raises with extraneous sea area water temperature naturally afterwards;
B. after the nature seawater temperature surpasses 24 ℃, utilize the underground sea water well to turn down water temperature and perhaps utilize underground low temperature well water to cultivate the water temperature with seawater through the heat exchanger adjustment, the temperature of cultivation that makes the megathermal period is below 24 ℃;
c.? when natural sea water temperature is below 24 ℃ after use of natural marine aquaculture broodstock Sebastodes fuscescens, with natural sea water temperature changes;
3, according to claims 1, wherein an increase in factory farming conditions Sebastodes fuscescens broodstock mating rate, characterized in that:
Illumination control method in the step g:
A. room light is according to control intensity of illumination 100-300lx with incandescent lamp;
B. parent population is cultured the photoperiod in early stage with reference to the natural daylight cycle, takes sunrise to turn on light, the method control that sunset is turned off the light;
C. before and after September 20, when natural temperature is reduced to 22 ℃, adopt the 12h fixed-illumination, to the photoperiod of illumination restore nature by the end of October;
Furtherly:
Management method between pairing-season among the step h:
A. between pairing-season, except that normal running, reduce artificial disturbance parent population, forbid to get into culturing area night except that special circumstances as far as possible;
B. temperature of cultivation to by the end of October, was reduced to 17 ℃ from 22 ℃ before and after September 20 gradually, taked to reduce in per about 8 days 1 ℃ way.
The beneficial effects of the present invention: take full advantage of the natural water quality conditions, breeding easy operation, the present invention allows Sebastodes fuscescens indoor broodstock mating rate of 95% or more.The present invention uses for indoor breeding Sebastodes fuscescens broodstock reusable, both to protect the wildlife resources, and improve the quality of Sebastodes fuscescens broodstock, larvae in order to obtain high-quality foundation, revolutionized Sebastodes fuscescens indoor artificial breeding methods.Simultaneously, through the envirment factor of Artificial Control indoor culture, for the ovoviviparity fish with culturing economic value have been explored a practical way at indoor whole artificial propagation.
Embodiment
In conjunction with following instance, to details are as follows according to embodiment provided by the invention:
The selection of a, parent population:
Test time chosen in mid-June 2011, select farmed Sebastodes fuscescens 110 adult fish as broodstock, including 50 females, aged 6 broodstock age, weight 1.50-2.75kg, body surface without disability, the body color is normal, vitality is good.
Place and indoor culture pond are cultured in b, construction:
Will there be abundant seawater resources in the plant of selecting, and the breed workshop appliance is complete; Culture pond, about 15 ㎡ of area, the dark 1.5m in pond for rounded square cement in the workshop; Each is cultured the pond and is equipped with 2 undercuts to water inlet pipe, and current are got into along the pool wall level, and the pool inner water body can form circulation; Ecto-entad forms 5 ° of left and right sides angle of declinations at the bottom of the pond, and discharge outlet is established in the centre.
C, parent population are put in a suitable place to breed:
Male and female ratio of 1:1.2 according broodstock stocking, stocking ponds Sebastodes fuscescens each broodstock 55, before and after stocking temperature within 2 ℃.
4), water source and water temperature control:
The parent population breeding water is husky filter nature seawater; Breed initial stage water temperature is at 17 ℃, and temperature of cultivation raises with extraneous sea area water temperature naturally afterwards, after summer, the nature seawater temperature surpassed 24 ℃; Utilize the underground sea water well to convert nature seawater and turn down water temperature, make the temperature of cultivation of megathermal period remain on 23-24 ℃.To September when the water temperature is below 24 ℃ naturally after disabling groundwater, all using natural marine aquaculture broodstock Sebastodes fuscescens, with natural sea water temperature changes.
5), water quality management:
Employing flowing water is cultivated, and a day quantity of exchanged water is no less than 600%, monitors water quality index such as seawater water temperature, salinity, pH value every day, prevents that water quality from having than great fluctuation process.
6), bait is selected and is thrown something and fed:
Bait selects collocation such as the bright mackerel of ice, sand lance, little chrysanthemum to throw something and feed, be cut into agreeable to the taste fish section by weight proportion mixed in equal amounts throw something and feed, morning and evening every day respectively throws something and feeds once, and bait is repeatedly dropped in the pond on a small quantity, Yi Chidi has a small amount of residual bait to be the principle of throwing something and feeding.
7), illumination control:
Room light shines with incandescent lamp control, intensity of illumination 100-300lx, and parent population is cultured the photoperiod in early stage with reference to the natural daylight cycle; Take sunrise to turn on light; The method control that sunset is turned off the light is before and after September 20, when natural temperature is reduced to 22 ℃; Adopt the 12h fixed-illumination, to the photoperiod of illumination restore nature by the end of October.
8), manage between pairing-season:
Parent population mating activity gets into mating October and contains the phase from beginning by the end of September, finishes by the end of October.Between pairing-season, except that normally throw something and feed, flowing water etc. operated, reduce artificial disturbance parent population as far as possible, except that special circumstances, forbid to get into culturing area night; Temperature of cultivation to by the end of October, was reduced to 17 ℃ from 22 ℃ before and after September 20 gradually, taked to reduce in per about 8 days 1 ℃ way.
From May 2012 Sebastodes fuscescens broodstock development results and calving situation, 50 female broodstock has 48 successful development and calving, illustrate the present invention relates to an increase in factory farming conditions Sebastodes fuscescens broodstock mating method can effectively improve the rate of factory farming conditions Sebastodes fuscescens broodstock mating rate of up to 96%.
The invention is not limited to the specific embodiments within the scope of the above embodiments are merely to be able to present an invention to improve conditions in the factory farming mating ratio broodstock Sebastodes fuscescens method described in detail.In fact, can enumerate some instances according to limited range of the present invention, therefore, variation and modification not breaking away under the invention general plotting should belong within protection scope of the present invention.
Claims (4)
- A method to improve conditions in the factory farming Sebastodes fuscescens broodstock mating rate, characterized by comprising the steps of:The selection of a, parent population:Choose age 4-8 age, body weight 1.5kg above wild or the adult fish propagated artificially as parent population, and body surface do not have permanent disability, body colour is normal, vigor is good;B, build the indoor culture pondCulture the about 15m of area with rounded square or circular cement pit 2, the dark 1m-1.5m in pond, each is cultured the pond and is equipped with 2 undercuts to water inlet pipe, and current are got into along the pool wall level, and the pool inner water body can form circulation; Ecto-entad forms 5 ° of left and right sides angle of declinations at the bottom of the pond, and discharge outlet is established in the centre;C, parent population are put in a suitable place to breedParent population is put in a suitable place to breed than 1:1.2 according to male and female, density 3-5 tail/m 2, the temperature difference is in 2 ℃ before and after putting in a suitable place to breed;D, water source and water temperature controlThe parent population breeding water is husky filter nature seawater, and from June best friend caudal knot bundle, temperature of cultivation requires 16-24 ℃;E, water quality managementEmploying flowing water is cultivated, and a day quantity of exchanged water is no less than 600%, monitors the seawater quality index every day, prevents that water quality from having than great fluctuation process;F, bait are selected and are thrown something and fedBait selects collocation such as the bright mackerel of ice, sand lance, little chrysanthemum to throw something and feed, be cut into agreeable to the taste fish section by weight proportion mixed in equal amounts throw something and feed, morning and evening every day respectively throws something and feeds once, and bait is repeatedly dropped in the pond on a small quantity, Yi Chidi has a small amount of residual bait for throwing something and feeding principle;G, illumination controlPhotoperiod changed with reference to the natural daylight cycle, intensity of illumination 100-300lx;H, manage between pairing-seasonParent population mating activity since every year by the end of September, get into mating October and contain the phase, finish by the end of October, strict control bait, water temperature and illumination condition reduce artificial disturbance during this.
- 2 according to claims 1, wherein an increase in factory farming conditions Sebastodes fuscescens broodstock mating rate, characterized in that:Temperature control method of water in the steps d:A. the breed initial stage requires water temperature at 16-18 ℃, and temperature of cultivation raises with extraneous sea area water temperature naturally afterwards;B. after the nature seawater temperature surpasses 24 ℃, utilize the underground sea water well to turn down water temperature and perhaps utilize underground low temperature well water to cultivate the water temperature with seawater through the heat exchanger adjustment, the temperature of cultivation that makes the megathermal period is below 24 ℃;c.? when natural sea water temperature is below 24 ℃ after use of natural marine aquaculture broodstock Sebastodes fuscescens, with natural sea water temperature changes.
- 3 according to claims 1, wherein an increase in factory farming conditions Sebastodes fuscescens broodstock mating rate, characterized in that:Illumination control method in the step g:A. room light is according to control intensity of illumination 100-300lx with incandescent lamp;B. parent population is cultured the photoperiod in early stage with reference to the natural daylight cycle, takes sunrise to turn on light, the method control that sunset is turned off the light;C. before and after September 20, when natural temperature is reduced to 22 ℃, adopt the 12h fixed-illumination, to the photoperiod of illumination restore nature by the end of October.
- 4 according to claims 1, wherein a culture conditions in the factory to improve the rate of Sebastodes fuscescens broodstock mating, characterized in that:Management method between pairing-season among the step h:A. between pairing-season, except that normal running, reduce artificial disturbance parent population, forbid to get into culturing area night except that special circumstances as far as possible;B. temperature of cultivation to by the end of October, was reduced to 17 ℃ from 22 ℃ before and after September 20 gradually, taked to reduce in per about 8 days 1 ℃ way.
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| CN201210234945.0A CN102715114B (en) | 2012-07-09 | 2012-07-09 | Method for improving mating rate of black rockfish parent fish under condition of industrial aquaculture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870713A (en) * | 2012-10-18 | 2013-01-16 | 山东省海洋水产研究所 | Sebastodes fuscescens parent fish warming cultivation and childbearing method |
| CN112293314A (en) * | 2020-12-16 | 2021-02-02 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Three-section type cultivation method for improving mating rate of sebastes schlegeli hilgendorf parent fish |
| CN112400762A (en) * | 2020-12-16 | 2021-02-26 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Industrial full-artificial breeding method of sebastes schlegeli |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101444192A (en) * | 2008-10-21 | 2009-06-03 | 浙江海洋学院 | Sebastiscus marmoratus industrializing young fish rearing method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101444192A (en) * | 2008-10-21 | 2009-06-03 | 浙江海洋学院 | Sebastiscus marmoratus industrializing young fish rearing method |
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| 姜海滨等: "黑鲪控光育苗技术研究", 《齐鲁渔业》 * |
| 王志刚等: "黑鲪亲鱼培育技术研究", 《科学养鱼》 * |
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| 郑春波等: "黑鲪养殖技术之二黑鲪人工育苗技术", 《中国水产》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102870713A (en) * | 2012-10-18 | 2013-01-16 | 山东省海洋水产研究所 | Sebastodes fuscescens parent fish warming cultivation and childbearing method |
| CN112293314A (en) * | 2020-12-16 | 2021-02-02 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Three-section type cultivation method for improving mating rate of sebastes schlegeli hilgendorf parent fish |
| CN112400762A (en) * | 2020-12-16 | 2021-02-26 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Industrial full-artificial breeding method of sebastes schlegeli |
| CN112400762B (en) * | 2020-12-16 | 2022-04-08 | 山东省海洋资源与环境研究院(山东省海洋环境监测中心、山东省水产品质量检验中心) | Industrial full-artificial breeding method of sebastes schlegeli |
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