CN102893936A - Method for breeding paramisgurnus dabryanus fries - Google Patents
Method for breeding paramisgurnus dabryanus fries Download PDFInfo
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- CN102893936A CN102893936A CN2012104338677A CN201210433867A CN102893936A CN 102893936 A CN102893936 A CN 102893936A CN 2012104338677 A CN2012104338677 A CN 2012104338677A CN 201210433867 A CN201210433867 A CN 201210433867A CN 102893936 A CN102893936 A CN 102893936A
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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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- 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 provides a method for breeding paramisgurnus dabryanus fries. The method comprises the following steps of: 1, building a breeding pond, namely building a cement pond with five smooth faces and an area of 60 to 100 square meters; 2, preparing breeding water, namely preparing the breeding water by mixing old pond water and fresh water in a volume ratio of 1:(0.5-1); 3, throwing fries: throwing 600,000 to 800,000 newly incubated fries in each 666.7 square meters; 4, opening mouth, wherein fresh milk is used as initial feed; 5, feeding, wherein tubificidae is used as breeding feed; 6, breeding, wherein because of high-quality water and feed with rich nutrition, paramisgurnus dabryanus fries can quickly grow up; 7, preventing insects, wherein green wide-spectrum insecticides are used for preventing insect damage; and 8, obtaining grown paramisgurnus dabryanus fries, wherein after 20 to 30 days, the paramisgurnus dabryanus fries are grown to be 3 to 4cm long, and at that time, the paramisgurnus dabryanus fries can be transferred to an adult paramisgurnus dabryanus breeding pond for breeding. When the method is applied to the breeding of the paramisgurnus dabryanus fries, the paramisgurnus dabryanus fries are high in survival rate and can be produced in batches.
Description
Technical field:
The present invention is relevant with the fish offspring seed cultivation method, and is relevant with the secondary loach offspring seed cultivation method of large squama especially.
Background technology:
At present, the secondary loach seed rearing of large squama has dual mode, first kind of way is two sections cultivating methods, namely spray is placed in the Small cement pond, cultivated 2～3 days with yolk, change the seed rearing pond over to and continue to cultivate after ingesting normally, the shortcoming of this mode is that water body is little, water quality is unstable, can't form natural bait in the Small cement pond, turn simultaneously the pond operation influential to tender seedling.The second way is to adopt rich water to cultivate, is about to spray and directly puts into the pond of fostering and apply fertilizer and cultivate, but there are two subject matters in this method, and the one, the bad control of the water quality in rich water pond easily causes loach seedling hypoxia death; The 2nd, the pest in the rich water pond, especially the cladocera animal can injure the loach seedling.Therefore, at present the seed rearing survival rate of the secondary loach of large squama is generally very low, and only 10%～20%.The low Main Bottleneck that has become the scale of restriction the breeding of mature loach of seed rearing survival rate causes that to propagate seed artificially rare, on the high side, and has caused the predatoriness of wild seed is fished for.
Summary of the invention:
The objective of the invention is provides a kind of survival rate high in order to overcome above deficiency, the secondary loach offspring seed cultivation method of the large squama that can manufacture.
The object of the present invention is achieved like this:
The secondary loach offspring seed cultivation method of the large squama of the present invention may further comprise the steps:
1) builds the cultivation pond: build five light cement pits, area 60～100m
2, the dark 50～70cm in pond;
2) training water: before putting seedling 5～7 days, to cultivate pond sterilization and clean up, take out goaf water and inject the cultivation pond, old man's delivery port filters with 100 orders～120 mesh sieve thin,tough silk, add again the pure and fresh free of contamination pure and fresh water of water quality, goaf water cooperates as cultivating water body, the depth of water 25～35cm, water body desinsection by 1:0.5～1 volume ratio with pure and fresh water;
3) put seedling: the spray that will just hatch is put into and is cultivated the pond, stocking rate 60～800,000 tail/mus, and oxygenation keeps dissolved oxygen to be at least 8mg/L water;
4) opening: when 22～25 ℃ of water temperatures, spray entered the pond the 2nd～3 day, when finding to have spray to begin flat trip, and the fresh milk of throwing something and feeding of evenly splashing, the every mu of 500～1500ml that throws something and feeds, morning and afternoon is respectively once;
5) bait throwing in: spray enters the pond to be risen on the 4th day, and spray is obviously opened food, the water earthworm of namely throwing something and feeding and pulverizing, and the every mu of 300～500g that throws something and feeds, the upper and lower noon is respectively once;
6) breed: through 7～10 days cultivation, the spray body reached 0.9～1.1cm, and this moment, plankton generated in a large number, for a well habitat is built in the growth of loach seedling.
7) insect protected: through 10～15 days cultivation, monitoring had or not pest in the water body, prevented with three ring final hits, the wheel green broad spectrum insecticides such as once clean, fine worm is clear;
8) emerge: through 20～30 days cultivation time, the loach seedling grew up to 3～4cm, can change the breeding of mature loach over to pool cultivated.
In the above-mentioned nurturing period, added pure and fresh water once, and added the depth of water 3～5cm at every turn in per 7～10 days.
During above-mentioned training water with 99% trichlorphon 0.7ppm desinsection.
The inventive method adopts the pool under half rich water: the advantage on the pool is that natural bait is abundant under the rich water, but water quality is difficult for grasping, and has a large amount of cladocera animals in the rich water simultaneously, can injure the loach seedling, especially spray.Half rich water has just solved this problem, have the natural baits such as part wheel animalcule and worm's ovum in the water, but water quality is pure and fresh, and spray can good growing.
The inventive method has also been selected suitable open-mouthed bait-fresh milk.Because fresh milk is nutritious comprehensively and have good physical attribute, both can be used as the best open-mouthed bait of spray, is again the best medium of cultivating the natural bait wheel animalcule.Although soya-bean milk also is the good base-material of cultivating natural bait, it can only be used for rich water, and easily causes water quality deterioration and loach seedling anoxic, and produces bubble illness.Another advantage of fresh milk is, do not need processing, easily buys and stores.
Adopt the pool under half rich water in the inventive method, appropriate openings, synchronous growth is once bred;
One, the pool under half rich water: it is goaf water that cultivation Chi Shuizhong has half, after 100 orders～120 mesh sieve thin,tough silk filtration, most of large-scale cladocera animal is filtered, process chlorophos killing again, can not damage the spray seedling, half is arranged simultaneously is pure and fresh water, and a relatively good water quality environment is arranged behind the pool under the spray.
Two, appropriate openings: behind the pool under the spray, have 1～2 day and be to rely on self yolk that nutrition is provided, when absorption of yolk at its complete, be initial feeding bait, this moment, schistostoma was tiny simultaneously because spray is very weak, less than 200um, opening is very important to growing thereafter, selects fresh milk as the open-mouthed bait of spray, and fresh milk is water-soluble emulsion, in water, be slight suspension, simultaneously nutritious comprehensive, just the loach seedling of opening does not need too initiatively to ingest, and can eat yet.Review yolk, although through silk cover filtering, but be the solia particle shape, and dropping in the water and can sink under water rapidly, most of loach seedling can't feed into.
Three, synchronous growth: the immature wheel animalcule of part and ovum flow into Chi Shuizhong in the goaf water, under the nutrition of milk, also reach maturity gradually and breed, and this provides good natural bait for the growth of loach seedling again.
Four, once breed: good water quality adds suitable open-mouthed bait, and sufficient natural bait and the animal feed water earthworm of input provide good nutrition and growth conditions for the loach seedling, the growth of loach seedling is very fast, only needed just can grow up to about 3～4cm in 20～30 days, can change into loach over to pool cultivated.
The inventive method is spray directly to be cultivated into behind cun sheet lower storage reservoir again form into loach.Adopt the inventive method to cultivate the loach seedling, survival rate is high, can be mass-produced.Through lot of experiments, survival rate is higher than 60%, has solved in the present production seed rearing survival rate low, not can manufacture the difficult problem of loach seedling.
Embodiment:
1) builds the cultivation pond: build five light cement pits, area 70m
2, the dark 70cm in pond;
2) training water: putting seedling front 5 days, will cultivate pond sterilization and clean up, taking out goaf water and inject the cultivation pond, old man's delivery port filters with 100 mesh sieve thin,tough silk, adds the pure and fresh free of contamination pure and fresh water of water quality again, goaf water and pure and fresh water each half, depth of water 30cm is with 99% trichlorphon 0.7ppm desinsection;
3) put seedling: the spray that will just hatch is put into and is cultivated the pond, stocking rate 800,000 tail/mus, and oxygenation keeps dissolved oxygen to be at least 8mg/L water;
4) opening: when 23 ℃ of water temperatures, spray entered the pond the 2nd day, when finding to have spray to begin flat trip, and the fresh milk of throwing something and feeding of evenly splashing, the every mu of 500～1000ml that throws something and feeds, morning and afternoon is respectively once;
5) bait throwing in: spray enters the pond to be risen on the 4th day, and spray is obviously opened food, the water earthworm of namely throwing something and feeding and pulverizing, and the every mu of 300～500g that throws something and feeds, the upper and lower noon is respectively once;
6) breed: through 7～10 days cultivation, the spray body reached 0.9～1.1cm, and this moment, plankton generated in a large number, for a well habitat is built in the growth of loach seedling;
7) insect protected: through 10～15 days cultivation, have or not the pests such as Trichodina in the monitoring water body, once only wait the prevention of green broad spectrum insecticide with three ring final hits or wheel;
8) emerge: through 20～30 days cultivation time, the loach seedling grew up to 3～4cm, can change the breeding of mature loach over to pool cultivated.
In nurturing period, added pure and fresh water once, and added the depth of water 3～5cm at every turn in per 7～10 days.
Above-described embodiment is that foregoing of the present invention is further described, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to above-described embodiment.All technology that realizes based on foregoing all belong to scope of the present invention.
Claims (3)
1. the secondary loach offspring seed cultivation method of large squama may further comprise the steps:
1) builds the cultivation pond: build five light cement pits, area 60～100m
2, the dark 50～70cm in pond;
2) training water: before putting seedling 5～7 days, to cultivate pond sterilization and clean up, take out goaf water and inject the cultivation pond, old man's delivery port filters with 100 orders～120 mesh sieve thin,tough silk, add again the pure and fresh free of contamination pure and fresh water of water quality, goaf water cooperates as cultivating water body, the depth of water 25～35cm, water body desinsection by 1:0.5～1 volume ratio with pure and fresh water;
3) put seedling: the spray that will just hatch is put into and is cultivated the pond, stocking rate 60～800,000 tail/mus, and oxygenation keeps dissolved oxygen to be at least 8mg/L water;
4) opening: when 22～25 ℃ of water temperatures, spray entered the pond the 2nd～3 day, when finding to have spray to begin flat trip, and the fresh milk of throwing something and feeding of evenly splashing, the every mu of 500～1500ml that throws something and feeds, morning and afternoon is respectively once;
5) bait throwing in: spray enters the pond to be risen on the 4th day, and spray is obviously opened food, the water earthworm of namely throwing something and feeding and pulverizing, and the every mu of 300～500g that throws something and feeds, the upper and lower noon is respectively once;
6) breed: through 7～10 days cultivation, the spray body reached 0.9～1.1cm, and this moment, plankton generated in a large number, for a well habitat is built in the growth of loach seedling;
7) insect protected: through 10～15 days cultivation, have or not pest in the monitoring water body, with the prevention of green broad spectrum insecticide;
8) emerge: through 20～30 days cultivation time, the loach seedling grew up to 3～4cm, can change the breeding of mature loach over to pool cultivated.
2. the secondary loach offspring seed cultivation method of large squama as claimed in claim 1 is characterized in that in the nurturing period, added pure and fresh water 1 time, and added the depth of water 3～5cm at every turn in per 7～10 days.
3. the secondary loach offspring seed cultivation method of large squama as claimed in claim 1 or 2, when it is characterized in that training water with 99% trichlorphon 0.7ppm desinsection.
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| CN201210433867.7A CN102893936B (en) | 2012-11-05 | 2012-11-05 | Method for breeding paramisgurnus dabryanus fries |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548731A (en) * | 2013-10-30 | 2014-02-05 | 贵州秋兴水产有限公司 | Loach fry breeding method |
| CN104054601A (en) * | 2014-06-09 | 2014-09-24 | 怀远县渔业科技发展有限责任公司 | Breeding method for paramisgurnus dabryanus parent loaches for hybridization |
| CN104304127A (en) * | 2014-10-29 | 2015-01-28 | 陈卫香 | Loach breeding method |
| CN104642215A (en) * | 2013-11-22 | 2015-05-27 | 成都市农林科学院 | Leptobotia elongata fry cultivation method |
| CN106508742A (en) * | 2016-10-25 | 2017-03-22 | 河北省海洋与水产科学研究院 | Taiwan loach pond fry cultivation method |
| CN107155965A (en) * | 2017-05-25 | 2017-09-15 | 河南省科学院地理研究所 | A kind of method for culturing seedlings of opening phase loach seedling |
| CN109197693A (en) * | 2018-10-29 | 2019-01-15 | 王欣 | A kind of cultural method improving loach fry survival rate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548731A (en) * | 2013-10-30 | 2014-02-05 | 贵州秋兴水产有限公司 | Loach fry breeding method |
| CN104642215A (en) * | 2013-11-22 | 2015-05-27 | 成都市农林科学院 | Leptobotia elongata fry cultivation method |
| CN104054601A (en) * | 2014-06-09 | 2014-09-24 | 怀远县渔业科技发展有限责任公司 | Breeding method for paramisgurnus dabryanus parent loaches for hybridization |
| CN104304127A (en) * | 2014-10-29 | 2015-01-28 | 陈卫香 | Loach breeding method |
| CN106508742A (en) * | 2016-10-25 | 2017-03-22 | 河北省海洋与水产科学研究院 | Taiwan loach pond fry cultivation method |
| CN107155965A (en) * | 2017-05-25 | 2017-09-15 | 河南省科学院地理研究所 | A kind of method for culturing seedlings of opening phase loach seedling |
| CN109197693A (en) * | 2018-10-29 | 2019-01-15 | 王欣 | A kind of cultural method improving loach fry survival rate |
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| CN102893936B (en) | 2014-08-06 |
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