CN101946721A - High-yield stress-resistant new-breed breeding method of large yellow croakers - Google Patents
High-yield stress-resistant new-breed breeding method of large yellow croakers Download PDFInfo
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- CN101946721A CN101946721A CN2010102477799A CN201010247779A CN101946721A CN 101946721 A CN101946721 A CN 101946721A CN 2010102477799 A CN2010102477799 A CN 2010102477799A CN 201010247779 A CN201010247779 A CN 201010247779A CN 101946721 A CN101946721 A CN 101946721A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- 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 discloses a high-yield stress-resistant new-breed breeding method of large yellow croakers and relates to a large yellow croaker breeding technology. The method comprises the following steps of: (1) before parent fishes are mature, producing sound by utilizing an underwater generator with the frequency of 550-650 Hz and the intensity of 140-160 dB in a pool to carry out anti-jamming selection, wherein the underwater generator works for 7-9 weeks and for 1-2 hours per week; selecting fishes with small emergency reaction, and after the parent fishes have sexual maturity, selectively putting the parent fishes into a fry breeding pool for reproduction regulation and control and manual breeding to breed a first filial generation; (2) after the fishes of the first filial generation grow to a length specification of 5-6 centimeters, producing sound by utilizing the underwater generator with the frequency of 550-650 Hz and the strength of 140-160 dB in the pool to carry out anti-jamming selection, wherein the underwater generator works for 1-2 weeks and for 1-2 hours per week; selecting backup parent fishes for breeding a second filial generation from the fishes with small emergency reaction for breeding; and repeating the steps 1 and 2 to circularly breed the second filial generation, a third filial generation, and the like to ensure that the bred large yellow croakers have strong anti-jamming and high growth speed. The invention improves the production efficiency and the benefit.
Description
Technical field:
The present invention relates to the selection of large yellow Crocker cultivation technology, particularly large yellow Crocker.
Prior art:
Large yellow Crocker tradition selection is at present: after treating the parent population sexual maturity, select physique stalwartness, build color and luster good, have that canonical biometric is learned feature and body weight surpasses the large yellow Crocker of 500g as parent population, carry out proportioning in the ratio of ♀: ♂=3: 1 and put into nursery pond and carry out artificial breeding, its detailed process comprises: links such as artificial induced spawning, the control of seed rearing environmental factor, larvae juvenile fish cultivation.The seedling of artificial breeding production row is down cultured, and treats to go out reserve parent fish by above-mentioned selection parent population Standard Selection equally after the parent population sexual maturity, carries out large yellow Crocker artificial breeding of future generation, and remaining breed becomes marketable fish.
Defective is: this no specific optionally seedling-cultivating method, can't overcome the weak defective of the congenital anti-sound interference ability of large yellow Crocker, make traditional seedling-cultivating method production fry to external world sound stress reflect stronger, can influence it ingests, thereby growth is slow, physique is poor, easily disease takes place, and causes output reduction, benefit to descend.
Summary of the invention:
The object of the invention is to overcome above-mentioned defective, provides a kind of large yellow Crocker high yield and high quality degeneration-resistant new quality selection.
The present invention program is:
The selection step is:
1, before the parent population prematurity, utilize generator frequency 550～650HZ under water, intensity 140～160dB sounding in the pond carries out anti-interference selection, generator work under water is 1-2 hour weekly, continue 7-9 week, then that emergency reaction is bigger fish picks up as marketable fish row's breed down, after from the little fish of the emergency reaction of remainder, treating the parent population sexual maturity again, selection physique stalwartness, the build color and luster is good, have body weight that canonical biometric learns feature surpass 500g as parent population, carry out proportioning in the ratio of ♀: ♂=3: 1 and put into nursery pond and carry out genital regulating and artificial breeding, cultivate the first filial generation;
2, grow behind 5～6 centimeters length specifications in nursery pond when the first filial generation, utilizing under water, generator carries out anti-interference selection with frequency 550～650HZ, intensity 140～160dB sounding in the pond, generator work under water is 1-2 hour weekly, work week is 1-2 week, select the bigger fish of stress reaction and pick up as marketable fish and culture, select in the little fish of remaining stress reaction physique stalwartness, build color and luster good, have canonical biometric and learn the conduct of feature and breed the reserve parent fish of second filial and culture; Then repeat 1,2 step cycle and cultivate second filial, F3 ...
The invention has the advantages that: utilize under water acoustical generator to carry out anti-interference selection large yellow Crocker and grow seedlings, make large yellow Crocker strong interference immunity, the fast growth of cultivation, enhance productivity and benefit.Circulation its offspring's generation of selecting to grow seedlings increases progressively than generation anti-interference.
Embodiment:
The present invention at first carries out testing research to the acoustic sensing of large yellow Crocker parent population.Before the experiment beginning, large yellow Crocker is the migration at random of free shape.Generator places the parent fish rearing pond under water, and (200～2000Hz) intensity are the single frequency sinusoidal ripple of 150dB, to seek the acoustic sensing frequency of adult fish to have launched different frequency.When frequency was 600Hz, it was the sensitiveest to observe the adult fish reaction, had the behavior of significantly avoiding sound source position to take place.When tranmitting frequency 600Hz strength of sound source is enhanced to the signal of 190dB, observe the shoal of fish and break the water one after another, part adult fish upset body (fish maw up) is arranged along pool wall pitch of the laps back and forth, when going to touch fish with hand, these fish reactions are very blunt, do not run away.Experiment was substantially no longer taken food by the adult fish of this sonic stimulation, and a small amount of death was arranged after finishing, and by the 3rd day, dead quantity continued to increase.The underwater acoustic wave that can judge 600Hz, 190dB thus has bigger influence to the large yellow Crocker adult fish, and its influence shows that mainly feed waits the behavior variation, and engenders the phenomena of mortality, two weeks subsequently in the time lethality be 90%.
The large yellow Crocker adult fish of same size is placed by seminar in different parent fish rearings pond, utilize the 500-700Hz frequency, the underwater acoustic wave of varying strength carries out sonic stimulation to it, behind the gradient contrast experiment, find with frequency 550～650HZ, the underwater acoustic wave of intensity 140～160dB carries out interference test, part large yellow Crocker stress reaction is big, part stress reaction is little, comprehensive considering various effects, therefore select frequency 550～650HZ, the specific underwater acoustic wave that the underwater acoustic wave of intensity 140～160dB is selected as the degeneration-resistant new lines seed selection of large yellow Crocker high yield and high quality sound, preferred 600Hz, the specific underwater acoustic wave that the underwater acoustic wave of 150dB is selected as the degeneration-resistant new lines seed selection of large yellow Crocker high yield and high quality sound.
The large yellow Crocker underwater sound wave disturbs stress reaction: utilize under water generator at frequency 550～650HZ, when intensity 140～160dB sounding carries out anti-interference selection in the pond, large yellow Crocker upset body (fish maw up) occurs along pool wall pitch of the laps back and forth, when going to touch fish with hand, these fish reactions are very blunt, state such as do not run away, this type of large yellow Crocker classifies as " stress reaction is bigger ", and in the pond still comparatively calmness classify as " stress reaction is less ".
Claims (1)
1. the degeneration-resistant new quality selection of large yellow Crocker high yield and high quality, it is characterized in that: the selection step is:
1. before the parent population prematurity, utilize generator frequency 550～650HZ under water, intensity 140～160dB sounding in the pond carries out anti-interference selection, generator work under water is 1-2 hour weekly, continue 7-9 week, then that emergency reaction is bigger fish picks up as marketable fish row's breed down, after from the little fish of the emergency reaction of remainder, treating the parent population sexual maturity again, selection physique stalwartness, the build color and luster is good, have body weight that canonical biometric learns feature surpass 500g as parent population, carry out proportioning in the ratio of ♀: ♂=3: 1 and put into nursery pond and carry out genital regulating and artificial breeding, cultivate the first filial generation;
2. grow behind 5～6 centimeters length specifications in nursery pond when the first filial generation, utilizing under water, generator carries out anti-interference selection with frequency 550～650HZ, intensity 140～160dB sounding in the pond, generator work under water is 1-2 hour weekly, work week is 1-2 week, select the bigger fish of stress reaction and pick up as marketable fish and culture, select in the little fish of remaining stress reaction physique stalwartness, build color and luster good, have canonical biometric and learn the conduct of feature and breed the reserve parent fish of second filial and culture; Then repeat 1,2 step cycle and cultivate second filial, F3 ...
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102477799A CN101946721A (en) | 2010-08-09 | 2010-08-09 | High-yield stress-resistant new-breed breeding method of large yellow croakers |
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| CN2010102477799A CN101946721A (en) | 2010-08-09 | 2010-08-09 | High-yield stress-resistant new-breed breeding method of large yellow croakers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098735A (en) * | 2013-02-04 | 2013-05-15 | 宁德市登月水产食品有限公司 | Cultivation method of pseudosciaena croceas |
| CN107027666A (en) * | 2017-06-13 | 2017-08-11 | 广西壮族自治区水产科学研究院 | A kind of selection of sand borer fish |
| CN113455426A (en) * | 2021-07-19 | 2021-10-01 | 宁德市鼎诚水产有限公司 | Breeding method of low-salt-resistant large yellow croaker |
| CN114128650A (en) * | 2021-12-15 | 2022-03-04 | 上海海洋大学 | Screening method of comprehensive stress-resistant floating fish |
| CN116267718A (en) * | 2023-05-19 | 2023-06-23 | 宁德市鼎诚水产有限公司 | Method for improving long-distance transportation survival rate of large yellow croaker |
-
2010
- 2010-08-09 CN CN2010102477799A patent/CN101946721A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098735A (en) * | 2013-02-04 | 2013-05-15 | 宁德市登月水产食品有限公司 | Cultivation method of pseudosciaena croceas |
| CN107027666A (en) * | 2017-06-13 | 2017-08-11 | 广西壮族自治区水产科学研究院 | A kind of selection of sand borer fish |
| CN113455426A (en) * | 2021-07-19 | 2021-10-01 | 宁德市鼎诚水产有限公司 | Breeding method of low-salt-resistant large yellow croaker |
| CN114128650A (en) * | 2021-12-15 | 2022-03-04 | 上海海洋大学 | Screening method of comprehensive stress-resistant floating fish |
| CN116267718A (en) * | 2023-05-19 | 2023-06-23 | 宁德市鼎诚水产有限公司 | Method for improving long-distance transportation survival rate of large yellow croaker |
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Open date: 20110119 |