CN102726328A - Method for breeding odontobutis obscura - Google Patents
Method for breeding odontobutis obscura Download PDFInfo
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- CN102726328A CN102726328A CN2012102104631A CN201210210463A CN102726328A CN 102726328 A CN102726328 A CN 102726328A CN 2012102104631 A CN2012102104631 A CN 2012102104631A CN 201210210463 A CN201210210463 A CN 201210210463A CN 102726328 A CN102726328 A CN 102726328A
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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 formula of feed for odontobutis obscura and belongs to the field of breeding aquatic products. The method comprises the following steps of (1) sterilizing a culture pond by using quicklime before fries of odontobutis obscura are put in the pond, injecting fresh water, culturing the water by adding fermented organic fertilizer, putting the fries of odontobutis obscura in the pond in late May, feeding the fries with pasty feed, and separating the pond by hauling nets; (2) before the summerlings of odontobutis obscura are put in the pond, draining the pond, sterilizing the pond by using quicklime, injecting water, adding a proper amount of fermented organic fertilizer according to the area of the pond, putting the summerlings of odontobutis obscura in the pond in late June, and feeding the summerlings with baits; and (3) after the summerlings of odontobutis obscura are put in the pond, putting the fries of freshwater shrimps in the pond for polyculture. The method mainly aims at the breeding of fries and summerlings which have been put in the pond, and can increase the disease-resistant rate and the survival rate of odontobutis obscura by culturing the breeding environment and guaranteeing the timely change of water and spreading of a proper amount of quicklime and a sufficient protein intake. The method can increase the survival rate of odontobutis obscura by adding freshwater shrimps, but the adding of large commercial fishes can affect the survival rate of odontobutis obscura, so that the large commercial fishes cannot be put into the pond.
Description
Technical field
The present invention relates to aquaculture field, relate in particular to a kind of cultural method of Odontobutis obscura.
Background technology
Odontobutis Perciformes, Eleotridae, husky Ophiocephalus are commonly called as a tiger idiot, tiger a shark, native Pu fish etc., and it mainly is distributed in the waters such as lake in China the Changjiang river, the Zhujiang River and Heilungkiang and the basin thereof, reservoir, is a kind of important small-sized economic fish of China.
Odontobutis obscura inhabits the lower floor of water body, and bait such as the wheel animalcule in the water body of in natural water area, can ingesting behind the fry membrane, copepod larva, body reach the bait such as other fish fish-eggs, small fish shrimp and Limnodrilus hoffmeisteri of just ingesting behind the 1.5cm.Propagating under the condition the also carnivorous high protein artifical compound feed of happiness food artificially, one age body weight normally can reach about 20g.Odontobutis obscura is present, and to propagate survival rate artificially very low, also do not have ripe supporting cultural method.People generally can use for reference the method for culturing other fingerlings and culture Odontobutis obscura, support the survival rate that other fish attempt to increase Odontobutis obscura through overlapping, but effect are bad.
Summary of the invention
Goal of the invention: the cultural method that the purpose of this invention is to provide a kind of high yield, high-quality Odontobutis obscura.
Technical scheme: for realizing above-mentioned purpose, Odontobutis obscura offspring seed cultivation method of the present invention may further comprise the steps:
(1) carries out disinfection to cultivating the pond with quicklime before the pool under the Odontobutis obscura fry; Inject clear water then; Apply fermentation back fertilizer 200 ~ 250kg and cultivate water quality, put 14 ~ 160,000 tail Odontobutis obscura fries, the pasty state artifical compound feed of throwing something and feeding in a suitable place to breed in every mu of late May; Make fry grow into summer flower after cultivating a period of time, draw in the net the branch pool;
(2) under the Odontobutis obscura summer flower before the pool with the quicklime sterilization of cleaning up the pond, water filling is executed fermentation back fertilizer 200kg for every mu and is cultivated water quality, to mid or late June mu throw in Odontobutis obscura summer flower 10000 ~ 15000 tails, bait throwing in is fed;
(3) after the Odontobutis obscura summer flower was gone into the pond, mu was raised together with by the shrimp seedling of putting out to graze.
Fertilizer comprises fermentation cow dung after the fermentation that the present invention adopts, and is mainly used in cultivation water quality, so that the required natural bait of adaptation fry and summer flower growth and the environment of growth to be provided.
Mu was with quicklime 150kg ~ 200kg before said step (1) fry was thrown in, and notes clear water 60-80cm makes the Pond Silt degree of depth remain on 8-10cm after applying fertilizer, and makes water transparency be controlled at 30cm.Specifically, whenever answered water filling once at a distance from 5 ~ 7 days behind the pool under the fry, each water filling degree of depth is 10 ~ 15cm.Throwing the last week of fry lower storage reservoir is executed fermentation back fertilizer 200 ~ 250kg and is cultivated wheel animalcule.
To the manufactured feed of the fry every mu of 5-7kg pasty state of throwing something and feeding every day after throwing in, the protein content of said manufactured feed is 40% in the said step (1), and throw something and feed 45 day every day, whenever increases progressively 20% at a distance from 5 days feeding volumes later, goes out the pool until summer flower.
Said step (1) feed of throwing comprises: fry lower storage reservoir back 5 days; Every day every mu of 5 ~ 7kg pasty state, 40% protein content of throwing something and feeding Odontobutis obscura fingerling manufactured feed, as far as possible the pool side place evenly throws something and feeds along the pond, throws something and feeds every day 4 times; Whenever threw the amount of raising at a distance from 5 days later on and increase progressively 20%, go out the pool until summer flower.
As further optimization of the present invention, for sufficient pond, fry source, Odontobutis obscura fry lower storage reservoir same day, mu is put the flat fry of 20 ~ 300,000 tails in a suitable place to breed, in order to improving Odontobutis obscura summer flower survival rate.
Behind the pool, should strengthen patrolling the pool under said step (1) the Odontobutis obscura fry, observe fry active situation and variation of water every day each one time sooner or later, should in time take measures to solve the problem of finding.
When Odontobutis obscura fry rearing became summer flower, said summer flower body was long for about the 2.5cm/ tail.In the said step (2) summer flower after throwing in was changed primary water in per 7 ~ 10 days, each quantity of exchanged water is 1/4.The mu water surface was executed quicklime 15 ~ 20kg in per 22 ~ 28 days, to improve the disease-resistant rate of Odontobutis obscura fingerling and to improve water quality environment.
Executed fermentation back fertilizer 50 ~ 100kg in per 20 ~ 25 days in the said step (2), cultivate wheel animalcule, in order to improving Odontobutis obscura fingerling survival rate.
In the step (3), said freshwater shrimp seedling specification is 4000/kg, and the shrimp seedling one of input can increase the Odontobutis obscura feed source, and two also can increase pond culture output and economic benefit.Because the Odontobutis obscura individuality is less relatively, the artificial feed ability of ingesting relatively a little less than, so, should not raise together with other medium-and-large-sized economic fishs in the Odontobutis obscura nurture of fish fingerlings stage.
The feed of throwing something and feeding in said step (1) and the step (2) comprises earthworm powder, fish meal, soyabean cake (powder), red dog flour, and the protein content of the manufactured feed of throwing something and feeding is 35 ~ 40%0.Day throws and raises number of times is 3 ~ 4 times, and wherein the summer flower breeding phase is 4 times, morning and afternoon each 2 times; The nurture of fish fingerlings stage is 3 times, the morning 1 time, afternoon 2 times.It is 5 ~ 7kg/ mu that summer flower is cultivated day throwing amount of raising, and it is to deposit 5 ~ 7% of pond seed weight that nurture of fish fingerlings day is thrown the rate of raising.
The present invention adopts lime disinfection can effectively reduce the content of toxic gases such as hydrogen sulphide in the pond, ammonia; Lime disinfection can make elements such as nitrogen in the bed mud, phosphorus discharge in a large number, plays to fatten water quality and increase the effects such as wheel animalcule quantity in the water body; Quicklime can improve the pH value in the water body in addition, and then improves the resistance against diseases of seed.
Useful benefit: fry and summer flower that the cultural method of a kind of Odontobutis obscura of the present invention is primarily aimed at behind the throwing seedling are cultured; Through cultivation to breeding environment; Splashing of water and an amount of quicklime changed in assurance timely, and the absorption of sufficient protein, improved the disease-resistant rate and the survival rate of Odontobutis obscura.The present invention improves the survival rate of Odontobutis obscura through throwing in freshwater shrimp, and large-scale economic fish can influence the survival rate of Odontobutis obscura, therefore should not throw in.
Embodiment
Embodiment
Select about 2 mu of single pond water surface for use, the small-sized pond of depth of water 1.6m is carried out the Odontobutis obscura summer flower and is cultivated.Carry out disinfection to cultivating the pond with quicklime before the pool under the fry, mu is with quicklime 150 ~ 200kg, and water filling 60 ~ 80cm is dark then, and mu is executed fermentation back cow dung 200 ~ 250kg and cultivated wheel animalcule; (late May) mu is put Odontobutis obscura fry 14 ~ 160,000 tails in a suitable place to breed after 10 days, puts flat fry 200,000 tails the same period in a suitable place to breed; Odontobutis obscura fry lower storage reservoir back 5 days, every day, every mu of water surface 40% protein content mixed bait (pasty state), 5 ~ 7kg that throws something and feeds whenever later on threw something and fed at a distance from 5 days increase by 20% forage volumes; Draw in the net the branch pool through 25 day time artificial culture, mu can be produced about 90,000 tails of 2.5cm/ tail Odontobutis obscura summer flower.
Select 5 ~ 10 mu of single pond waters surface then for use, the Odontobutis obscura nurture of fish fingerlings is carried out in the medium-sized pond of depth of water 1.8m.The pool is preceding 10 days under the fry, and mu is executed quicklime 150 ~ 200kg sterilization of cleaning up the pond, and back water filling 80 ~ 100cm, mu execute fermentation back cow dung 200kg cultivation water quality, puts 0.1 mu of submerged plant such as water surface eel grass of every mu of water surface transplanting before the seedling.Mid or late June, mu was thrown in Odontobutis obscura summer flower 1 ~ 1.5 ten thousand tail, and bait throwing in is fed, and 50,000 of mu input 1.7cm/ tail freshwater shrimp seedlings were raised together with after summer flower was put the pond.The Odontobutis obscura feed of throwing something and feeding comprises: feeds such as earthworm powder, fish meal, soyabean cake (powder), red dog flour, and forage protein content is 40%, day throws something and feeds 3 times, the morning 1 time, afternoon 2 times, day throwing the rate of raising is to deposit 5 ~ 7% of pond seed gross weight.Through 5 months artificial cultures, Odontobutis obscura fingerling specification, survival rate and per unit area yield can reach 7.5cm, 73%, 175kg respectively.
Comparative Examples
Main foster kind is an Odontobutis obscura, and the collocation kind is a freshwater shrimp.With the Odontobutis obscura is the main kind of supporting, and freshwater shrimp is an experimental group for collocation kind pattern.Control group adopts Odontobutis obscura, grass carp, variegated carp, silver carp to raise together with; Cultivate the water surface; Quicklime is cleaned up the pond, and the organic fattening water number of cow dung amount, submerged plant variety transplanting, water filling number of times and the degree of depth are consistent with the nurture of fish fingerlings mode of embodiment, all throw something and feed in the phase manufactured feed of 40% content of equivalent amount of nurture of fish fingerlings; Through 5 months artificial cultures, its output and benefit result were to such as table 1, table 2:
Table 1 Odontobutis obscura fingerling master supports pattern
Annotate: feed coefficient is 1.7.
Table 2 Odontobutis obscura fingerling is raised together with pattern
Annotate: feed coefficient is 2.0.
The result is visible through table 1, the breed of table 2 pattern, and main foster kind is an Odontobutis obscura in the table 1, and the collocation kind is a freshwater shrimp; Because of the freshwater shrimp ingestion ability not as good as Odontobutis obscura, and can be Odontobutis obscura bait, so that the Odontobutis obscura fingerling goes out the pond specification is bigger and consistent; Survival rate is also higher, and the breed comprehensive benefit is also higher.Review table 2 and culture the result, though the grass carp of raising together with, silver carp and variegated carp are lived in different water layers with Odontobutis obscura, to rob the food ability strong owing to culture middle and later periods grass carp, silver carp, reduced the Odontobutis obscura fingerling on the contrary and gone out pond specification and survival rate.In addition; Take a broad view of table 2 pattern and culture the result; Though its output is higher than table 1 aquaculture model output 65%, because the Odontobutis obscura fingerling specification of raising together with out is smaller and to raise together with the kind unit price relatively low, its final culture benefit is still well below the main Odontobutis obscura fingerling model results of supporting of table 1.
Claims (7)
1. the cultural method of an Odontobutis obscura is characterized in that comprising the steps:
(1) carries out disinfection to cultivating the pond with quicklime before the pool under the Odontobutis obscura fry; Inject clear water then; Apply fermentation back fertilizer 200 ~ 250kg and cultivate water quality, put 14 ~ 160,000 tail Odontobutis obscura fries, the pasty state artifical compound feed of throwing something and feeding in a suitable place to breed in every mu of late May; Make fry grow into summer flower after cultivating a period of time, draw in the net the branch pool;
(2) under the Odontobutis obscura summer flower before the pool with the quicklime sterilization of cleaning up the pond, water filling is executed fermentation back fertilizer for every mu and is cultivated water quality, to mid or late June mu throw in Odontobutis obscura summer flower 10000 ~ 15000 tails, bait throwing in is fed;
(3) after the Odontobutis obscura summer flower was gone into the pond, mu was raised together with by the shrimp seedling of putting out to graze.
2. the cultural method of a kind of Odontobutis obscura according to claim 1; It is characterized in that: mu was with quicklime 150kg ~ 200kg before said step (1) fry was thrown in; Annotate clear water 60-80cm, make the Pond Silt degree of depth remain on 8-10cm after applying fertilizer, the pond visible depth is at 15-20cm.
3. the cultural method of a kind of Odontobutis obscura according to claim 2 is characterized in that: whenever answered water filling once at a distance from 5 ~ 7 days behind the pool under the fry, each water filling degree of depth is 10 ~ 15cm.
4. the cultural method of a kind of Odontobutis obscura according to claim 1; It is characterized in that: in the said step (1) to the manufactured feed of the fry every mu of 5-7kg pasty state of throwing something and feeding every day after throwing in; The protein content of said manufactured feed is 40%; Throw something and feed 4 times 5 day every day, whenever increase progressively 20% later, go out the pool until summer flower at a distance from 5 days feeding volumes.
5. the cultural method of a kind of Odontobutis obscura according to claim 1 is characterized in that: in the said step (2) summer flower after throwing in was changed primary water in per 7 ~ 10 days, each quantity of exchanged water is 1/4.
6. the cultural method of a kind of Odontobutis obscura according to claim 1 is characterized in that: in the said step (2) per 22 ~ 28 days mu waters surface of summer flower after throwing in are executed quicklime 15 ~ 20kg, once a day.
7. the cultural method of a kind of Odontobutis obscura according to claim 1 is characterized in that: in the said step (2) summer flower after throwing in was executed fermentation back fertilizer 50 ~ 100kg in per 25 ~ 20 days once.
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| CN2012102104631A CN102726328A (en) | 2012-06-25 | 2012-06-25 | Method for breeding odontobutis obscura |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986569A (en) * | 2012-12-17 | 2013-03-27 | 苏州市相城区新时代特种水产养殖场 | Culturing method for odontobutis obscuras |
| CN104396839A (en) * | 2014-12-22 | 2015-03-11 | 安徽裕农生态农业发展有限公司 | Mixed cultivation method of odontobutis obscurus |
| CN104824468A (en) * | 2015-05-26 | 2015-08-12 | 刘新霞 | Family cultivation feed for tiger sharks and production method of family cultivation feed |
| CN105104260A (en) * | 2015-08-19 | 2015-12-02 | 安徽裕农生态农业发展有限公司 | Odontobutis obscura and freshwater shrimp mixed culturing method |
| CN105104258A (en) * | 2015-08-18 | 2015-12-02 | 张建楼 | Tiger shark culture method |
| CN105519472A (en) * | 2016-02-29 | 2016-04-27 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | High-yield cultivation method for eleotris acanthopoma |
| CN105706967A (en) * | 2016-01-19 | 2016-06-29 | 周天赐 | Comprehensive planting and breeding method of odontobutis sinensis in alpine zizania field |
| CN105830967A (en) * | 2016-03-30 | 2016-08-10 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | Odontobutis obscura culture method |
| CN106069912A (en) * | 2016-06-21 | 2016-11-09 | 苏州市金荒田农业科技有限公司 | The high-efficiency breeding method of Odontobutis obscura |
| CN106489795A (en) * | 2016-09-28 | 2017-03-15 | 中国水产科学研究院淡水渔业研究中心 | A kind of Odontobutis obscura industrialized cultivation method |
| CN107347773A (en) * | 2017-03-17 | 2017-11-17 | 江苏东华农业发展有限公司 | Odontobutis obscura seedling culture facility |
| CN108541628A (en) * | 2018-03-20 | 2018-09-18 | 中国水产科学研究院珠江水产研究所 | A kind of method for culturing seedlings of the hybridized snakehead fish based on pond |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102986569A (en) * | 2012-12-17 | 2013-03-27 | 苏州市相城区新时代特种水产养殖场 | Culturing method for odontobutis obscuras |
| CN104396839A (en) * | 2014-12-22 | 2015-03-11 | 安徽裕农生态农业发展有限公司 | Mixed cultivation method of odontobutis obscurus |
| CN104824468A (en) * | 2015-05-26 | 2015-08-12 | 刘新霞 | Family cultivation feed for tiger sharks and production method of family cultivation feed |
| CN105104258A (en) * | 2015-08-18 | 2015-12-02 | 张建楼 | Tiger shark culture method |
| CN105104260A (en) * | 2015-08-19 | 2015-12-02 | 安徽裕农生态农业发展有限公司 | Odontobutis obscura and freshwater shrimp mixed culturing method |
| CN105706967A (en) * | 2016-01-19 | 2016-06-29 | 周天赐 | Comprehensive planting and breeding method of odontobutis sinensis in alpine zizania field |
| CN105519472A (en) * | 2016-02-29 | 2016-04-27 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | High-yield cultivation method for eleotris acanthopoma |
| CN105830967A (en) * | 2016-03-30 | 2016-08-10 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | Odontobutis obscura culture method |
| CN106069912A (en) * | 2016-06-21 | 2016-11-09 | 苏州市金荒田农业科技有限公司 | The high-efficiency breeding method of Odontobutis obscura |
| CN106489795A (en) * | 2016-09-28 | 2017-03-15 | 中国水产科学研究院淡水渔业研究中心 | A kind of Odontobutis obscura industrialized cultivation method |
| CN106489795B (en) * | 2016-09-28 | 2019-08-13 | 中国水产科学研究院淡水渔业研究中心 | A kind of Odontobutis obscura industrialized cultivation method |
| CN107347773A (en) * | 2017-03-17 | 2017-11-17 | 江苏东华农业发展有限公司 | Odontobutis obscura seedling culture facility |
| CN108541628A (en) * | 2018-03-20 | 2018-09-18 | 中国水产科学研究院珠江水产研究所 | A kind of method for culturing seedlings of the hybridized snakehead fish based on pond |
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Application publication date: 20121017 |