CN103843709B - A kind ofly control the early numerous method of Odontobulis mpotamophila - Google Patents
A kind ofly control the early numerous method of Odontobulis mpotamophila Download PDFInfo
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- CN103843709B CN103843709B CN201410103794.4A CN201410103794A CN103843709B CN 103843709 B CN103843709 B CN 103843709B CN 201410103794 A CN201410103794 A CN 201410103794A CN 103843709 B CN103843709 B CN 103843709B
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- odontobulis mpotamophila
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- parent population
- odontobulis
- mpotamophila
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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
Abstract
The invention discloses and a kind ofly control the early numerous method of Odontobulis mpotamophila, screened by parent population, and water temperature is controlled in parent fish rearing process, promote Odontobulis mpotamophila gonad development, simultaneously by pseudorasbora parva of throwing something and feeding, the living baits such as freshwater shrimp carry out reinforced cultivating, artificial spawning nest is set, promote Odontobulis mpotamophila sexual gland premature ripening, shorten its breeding cycle, Odontobulis mpotamophila is laid eggs and incubation equipment recycles, and the early numerous Odontobulis mpotamophila fry (sales in February) of this method at least shifts to an earlier date more than 3 months than normal this fry of breeding (5-6 month sells), this sashimi (raw fish) long period can be extended like this, thus increase this fish economic benefit.
Description
Technical field
The present invention relates to a kind of technology controlling fish breeding ahead of time, be specifically related to a kind of Odontobulis mpotamophila numerous method morning that controls and belong to Aquaculture Science field.
Background technology
Odontobulis mpotamophila (Odontobutispotamophila), be subordinate to Perciformes (Perciformes), goby suborder (Gobioidei), Odontobutis obscura section (Odontobutidae), Odontobutis (Odontobutis), extensively being distributed in each water systems such as China middle and lower reach of Yangtze River, Huaihe River, the Qiantang River, the Min River and the Zhujiang River, is the predacious fish that dwells at the bottom of the small-sized fresh water of China.In recent years, because the living environment of Odontobulis mpotamophila constantly worsens, egg-laying environment went to pot repeatly, and its wild resource sharply fails, and trace is difficult to find in some areas.At present, this fish mainly by fishing for supply market, but far can not satisfy the demands.More domestic mechanisms and unit expand correlative study to its ecology, physiology and artificial culture technology, and obtain some impressive progresses.
Odontobulis mpotamophila natural propagation season, wherein mid-April to late May was breeding period to mid-June at the beginning of 4 months, belonged to non-synchronous type in batches and to lay eggs fish.The artificial propagation of Odontobulis mpotamophila adopts the method for pond ecological natural spawning mostly, collects the hatching of fish nest after laying eggs, but artificially collects the invasion and attack that the hatching of fish nest subjects to the fungies such as water mold, and incubation rate is low, and survival rate of fish fry is lower.Also there are some areas to have the habit of protecting nest according to the male parent population of Odontobulis mpotamophila, before its mating season, parent population gathered in the crops, hasten parturition after putting into spawning pond, carry out natural spawning, male parent population protects nest hatching to remove dead ovum in time, and instigates tail fin to be fertilized egg oxygenation, to reach higher incubation rate.But parent population is protected nest and carries out hatching and can take more incubation equipment, and this just determines the limitation of production technology, be difficult to form mass production, if it is early numerous to control Odontobulis mpotamophila, repeatedly used by incubation equipment, seedling cost will reduce greatly.
The present invention confirms, parent population gathered in mid-November Odontobulis mpotamophila, through the reinforced cultivating of 1 month, can shorten its breeding cycle, reach parent population and shift to an earlier date spawning and fertilization, Odontobulis mpotamophila is laid eggs and incubation equipment utilizes in advance, to save cost.And make early numerous Odontobulis mpotamophila fry (sale in February) than normally breeding fry (5-6 month sells) more than 3 months at least in advance, extend this sashimi (raw fish) long-term, thus increasing this fish economic benefit.
Summary of the invention
The object of this invention is to provide and a kind ofly control the early numerous method of Odontobulis mpotamophila.Under fully condition is propagated in grasp artificially and on the basis of Odontobulis mpotamophila breeding ecology environment and gonad development rule, the physiological change of Odontobulis mpotamophila inherence and the synergy of external environment is utilized to control self-reproduction, by controlling its external breeding environment factor, realize gathering Odontobulis mpotamophila parent population in mid-November, through the reinforced cultivating of 1 month, its breeding cycle can be shortened, reach parent population and shift to an earlier date spawning and fertilization, thus do sth. in advance Odontobulis mpotamophila repoductive time, early numerous Odontobulis mpotamophila fry is gone on the market sale in advance, thus improves this fish economic benefit.
This test for achieving the above object, adopts following technical scheme:
(1) parent population screening: mid-November gather anosis, without wound, athletic 1 age above parent population, average body quality more than 20 grams;
(2) cultivating condition: water body pH7.0, dissolved oxygen 3mg/L; Culture density 15-20 tail/m
3;
(3) water temperature controls: water temperature controls at 24 ± 1 DEG C;
(4) periodicity of illumination: parent population is at warm indoor culture, and periodicity of illumination is 4L:20D;
(5) reinforced cultivating: during parent fish rearing, living bait of throwing something and feeding, carries out reinforced cultivating;
(6) laying nest: laying nest pvc pipe makes;
(7) fry rearing: treat the fry eyes blackening in fertilized egg, whole body is blackening gradually, during by membrane, is placed in fry rearing cylinder, after 1 ~ 2 day, uses the fairy shrimp opening of artificial incubation and cultivates, selling after within about 30 days, fry grows to 1cm.
Described step 1) in selected Odontobulis mpotamophila parent population female-male proportion be 1.5:1.
Described step 3) in parent fish rearing pond water temperature control at 24 ± 1 DEG C.
Described step 6) middle laying nest bore 10 ~ 12cm, length 20 ~ 30cm.
Described step 7) in use the fairy shrimp density of artificial incubation for 3-5/mL opening and cultivate, throw something and feed every day 2 times.
The present invention, by controlling the ecological factor, particularly water temperature in Odontobulis mpotamophila parent fish rearing process, controls Odontobulis mpotamophila sexual gland premature ripening, shortens its breeding cycle, lay eggs and obtain seedling, thus this fish fry is gone on the market sale in advance.
Embodiment
Control the method that Odontobulis mpotamophila is early numerous, comprise the following steps:
(1) parent population screening: on November 16th, 2013 from Nanjing aquatic products research institute week Odontobutis obscura cultivation base, hilllock gather anosis, without wound, athletic 1 age above parent population, average body quality more than 30 grams, female-male proportion is 1.5:1.
(2) cultivating condition: capacity is 0.2m
3glass jar, depth of water 40cm; Periodicity of illumination is 4L:20D; Water temperature controls at 21 ± 0.5 DEG C, 24 ± 0.5 DEG C, 27 ± 0.5 DEG C respectively; PH7.0, dissolved oxygen 3mg/L, culture density 15-20 tail/m
3.
(3) reinforced cultivating: during parent fish rearing, throw something and feed pseudorasbora parva and freshwater shrimp living bait, carry out reinforced cultivating.
(4) breeding fish nest: laying nest arranges 2, makes of pvc pipe, bore 10 ~ 12cm, length 20 ~ 30cm; Be placed at the bottom of glass jar.
(5) Early-breeding breeding: temperature control the parent population of 24 ± 0.5 DEG C in spawning and fertilization on December 18---on prelarva membrane on December 29 (3000 tail), all the other two temperature groups parent populations are at about 1 month time all non-egg reproduction.
(6) fry rearing: treat the fry eyes blackening in fertilized egg, whole body is blackening gradually, during by membrane, be placed in fry rearing cylinder (identical with parent fish rearing water temperature), after 1 ~ 2 day, use the fairy shrimp opening of artificial incubation and cultivate (within one day, throwing something and feeding 2 times), sell after within about 30 days, fry grows to 1cm, find that early numerous fry physique is comparatively strong by fry rearing, rapidly travelling after rupture of membranes, to ingest ferociousness, compare with the seed that 4 ~ June normally breeds and there is no difference.
Claims (4)
1. control the method that Odontobulis mpotamophila is early numerous, comprise the following steps:
(1) parent population screening: mid-November gather anosis, without wound, athletic 1 age above parent population, average body quality more than 20 grams;
(2) cultivating condition: water body pH7.0, dissolved oxygen 3mg/L; Culture density 15-20 tail/m
3;
(3) water temperature controls: water temperature controls at 24 ± 1 DEG C;
(4) periodicity of illumination: parent population is at warm indoor culture, and periodicity of illumination is 4L:20D;
(5) reinforced cultivating: during parent fish rearing, living bait of throwing something and feeding, carries out reinforced cultivating;
(6) laying nest: laying nest pvc pipe makes;
(7) fry rearing: treat the fry eyes blackening in fertilized egg, whole body is blackening gradually, during by membrane, is placed in fry rearing cylinder, after 1 ~ 2 day, uses the fairy shrimp opening of artificial incubation and cultivates, selling after within about 30 days, fry grows to 1cm.
2. the method for claim 1, is characterized in that, described step 1) in selected Odontobulis mpotamophila parent population female-male proportion be 1.5:1.
3. the method for claim 1, is characterized in that, described step 6) middle laying nest bore 10 ~ 12cm, length 20 ~ 30cm.
4. the method for claim 1, is characterized in that, described step 7) in use the fairy shrimp density of artificial incubation for 3-5/mL opening and cultivate, throw something and feed every day 2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410103794.4A CN103843709B (en) | 2014-03-19 | 2014-03-19 | A kind ofly control the early numerous method of Odontobulis mpotamophila |
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| CN201410103794.4A CN103843709B (en) | 2014-03-19 | 2014-03-19 | A kind ofly control the early numerous method of Odontobulis mpotamophila |
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| CN103843709A CN103843709A (en) | 2014-06-11 |
| CN103843709B true CN103843709B (en) | 2015-12-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651219B (en) * | 2013-12-26 | 2015-04-22 | 南京师范大学 | Cross breeding method for river odontobutis obscurus and marbled sand gobies |
| CN106212335A (en) * | 2016-07-29 | 2016-12-14 | 常熟理工学院 | A kind of method of Odontobutis obscura parent fish nurse breeding |
| CN107624685A (en) * | 2017-09-30 | 2018-01-26 | 南京市水产科学研究所 | A kind of half-manual breeding method of Odontobulis mpotamophila embryonated egg |
| CN111280101A (en) * | 2020-03-27 | 2020-06-16 | 广西壮族自治区水产科学研究院 | Method for breeding crayfishes in early spring in workshop |
| CN114176030A (en) * | 2021-12-13 | 2022-03-15 | 江苏省淡水水产研究所 | Early propagation cultivation method for odontobutis obscurus fries |
Citations (5)
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| CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
| CN101933477A (en) * | 2010-08-12 | 2011-01-05 | 常熟理工学院 | Artificial propagation method of Odontobutis obscura |
| CN102106280A (en) * | 2011-01-19 | 2011-06-29 | 新宾满族自治县水产技术推广站 | Odontobutis yaluensis breeding method |
| CN102144588A (en) * | 2011-04-07 | 2011-08-10 | 江苏省淡水水产研究所 | Method for artificially propagating odontobutis obscurus |
| CN102893930A (en) * | 2012-03-22 | 2013-01-30 | 曲宪成 | Large-scale artificial propagation method for odontobutis potamophila |
-
2014
- 2014-03-19 CN CN201410103794.4A patent/CN103843709B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
| CN101933477A (en) * | 2010-08-12 | 2011-01-05 | 常熟理工学院 | Artificial propagation method of Odontobutis obscura |
| CN102106280A (en) * | 2011-01-19 | 2011-06-29 | 新宾满族自治县水产技术推广站 | Odontobutis yaluensis breeding method |
| CN102144588A (en) * | 2011-04-07 | 2011-08-10 | 江苏省淡水水产研究所 | Method for artificially propagating odontobutis obscurus |
| CN102893930A (en) * | 2012-03-22 | 2013-01-30 | 曲宪成 | Large-scale artificial propagation method for odontobutis potamophila |
Non-Patent Citations (2)
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| 塘鳢的人工繁殖与苗种培育技术;李跃华 等;《水产养殖》;20060701;第27卷(第4期);第36-37页 * |
| 河川沙塘鳢人工繁殖技术;张海明 等;《水产科技情报》;20120430;第39卷(第4期);第183-186、192页 * |
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