CN102771431A - Triploid crucian carp No.2 breeding method - Google Patents
Triploid crucian carp No.2 breeding method Download PDFInfo
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- CN102771431A CN102771431A CN2012102964680A CN201210296468A CN102771431A CN 102771431 A CN102771431 A CN 102771431A CN 2012102964680 A CN2012102964680 A CN 2012102964680A CN 201210296468 A CN201210296468 A CN 201210296468A CN 102771431 A CN102771431 A CN 102771431A
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- cloud crucian
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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 a triploid crucian carp No.2 breeding method. A proper breeding method is matched with a feed with reasonable protein content, so that the breeding survival rate of the triploid crucian carp No.2 is improved, the feed coefficient is reduced, the breeding cost is saved, the income of aquatic breeders is increased, and the method has great significance in industrialized development of the triploid crucian carp No.2.
Description
Technical field
The present invention relates to aquaculture field, relate in particular to the cultural method of a kind of Hunan cloud crucian carp No. 2.
Background technology
Hunan cloud crucian carp is for No. 2 that the Liu Jun academician of Hunan Normal University, team of the few army of Liu utilize the gynogenesis technology, and the new variety of aquatic products through interspecies crossing is succeeded in developing obtained Ministry of Agriculture's new variety of aquatic products certificate in 2009, can promote in the whole nation and culture.
The cloud crucian carp has following good characteristic in Hunan:
One, because Hunan cloud crucian carp is the novel fish of allotriploid, and self can not breed, therefore can culture, can not cause other crucian carp, carp variety source to mix, the excessive decline that causes the marketable fish quality also can not occur breeding in any fresh water fishery waters.
Two, fast growth.Practice shows, fast 3～5 times of Hunan cloud crucian carp growth rate than common crucian kind, and year fry maximum growth individuality can reach 0.75kg.
Three, omnivorousness, the power of ingesting is strong, and aquaculture cost is low.Hunan cloud crucian carp is an ominivore-fish, and Hunan cloud crucian carp has the planktonic characteristics of filter food concurrently, and than other carps, crucian kind bait utilization height, simultaneously owing to agonadal growth, the nutrition of therefore being absorbed all is used for growth.
Four, survival rate is high, and premunition is strong.Test shows that Hunan cloud crucian carp premunition is strong, the phenomenon that discovery never catches on a large scale, and survival rate is more than 90%.
Five, low temperature resistant, hypoxemia.Hunan cloud crucian carp generally can not cause the fry mortality because of " the general pool ", suitable high density pond fish farming, net cage and paddy field aquaculture etc.Hunan cloud crucian carp has prolonged vegetative period in the water temperature growth of can ingesting more than 10 ℃, also can form marketable fish then at northern area.
Six, the bodily form attractive in appearance, Fresh & Tender in Texture, be of high nutritive value.Hunan cloud crucian carp edible part exceeds common crucian carp, carp 10%～15%, and spinelet is few between flesh, and muscle is the flavor amino acid content apparently higher than Japanese white crucian and common crucian carp, carp.
Hunan cloud crucian carp relies on above unique advantage, and its price is good, sell well, and economic benefit is high, is suitable for promoting culturing.But because Hunan cloud crucian carp is a new variety of aquatic products No. 2, aquaculture technology in all parts of the country is uneven, and culture efficiency is undesirable.
Therefore, need good No. 2 cultural methods of Hunan cloud crucian carp of a kind of culture efficiency.
Summary of the invention
The problem that the present invention solves provides good No. 2 cultural methods of Hunan cloud crucian carp of a kind of culture efficiency.
For addressing the above problem, the present invention has disclosed No. 2 cultural methods of a kind of Hunan cloud crucian carp, may further comprise the steps,
S1: press the different breeding pattern, prepare the pond, the pond area is more than 667 square metres, 1.2～2.0 meters of the depth of waters, silt depth≤0.2 meter;
S2: the sterilization of clear pond, No. 2 fingerlings of Hunan cloud crucian carp are gone into the pond and were carried out in preceding 15 days, use the clear pond of quicklime 200mg/L or bleaching powder 20mg/L band water;
S3: oxygenation, 1 in the aerator of per 1000 square metres of waters surface outfit 3kW;
S4: press the different breeding pattern, No. 2 fingerlings of Hunan cloud crucian carp of 3.5～4.5 centimeters are rendered to the pond;
S5: feed is selected, and the selection protein content is 30%～40% feed.
Preferably, when selected aquaculture model when raising together with pattern, the pond size is 5 mu; 1.5 meters of the depth of waters, the main kind Penaeus Vannmei of supporting, mu is put 90,000 shrimp seedlings; Put big specification summer flower 50 tails of No. 2 3.5-4.5 centimetres of Hunan cloud crucian carp, the dietary protein level 40% of throwing something and feeding, crude fat 6.0% in a suitable place to breed for every mu.
Preferably, when selected aquaculture model was the intensive culture pattern, the pond size was 10 mu, and 2.0 meters of the depth of waters are put No. 2 big specification summer flower 1600 tails of Hunan cloud crucian carp in a suitable place to breed for every mu, flower, each 30 tail of silver carp, the dietary protein level 35% of throwing something and feeding, crude fat 6.4%.
Preferably, when selected aquaculture model was big pond fish farming pattern, the pond size was 280 mu, and 2.0 meters of the depth of waters are put No. 2 big specification summer flower 2000 tails of Hunan cloud crucian carp in a suitable place to breed for every mu, flower, each 30 tail of silver carp, the dietary protein level 30% of throwing something and feeding, crude fat 6.2%.
Compared with prior art; The present invention has the following advantages: the feed that cooperates rational protein content through the cultural method of selecting to be fit to; Not only improve No. 2 breed survival rate, and reduced feed coefficient, practiced thrift aquaculture cost; Improved the income at aquaculture family, significant to the industrialized development of Hunan cloud crucian carp No. 2.
Embodiment
The present invention has disclosed No. 2 cultural methods of a kind of Hunan cloud crucian carp, may further comprise the steps,
S1: press the different breeding pattern, prepare the pond, the pond area is more than 667 square metres, 1.2～2.0 meters of the depth of waters, silt depth≤0.2 meter.
S2: the sterilization of clear pond, No. 2 fingerlings of Hunan cloud crucian carp are gone into the pond and were carried out in preceding 15 days, use the clear pond of quicklime 200mg/L or bleaching powder 20mg/L band water;
S3: oxygenation, 1 in the aerator of per 1000 square metres of waters surface outfit 3kW;
S4: press the different breeding pattern, No. 2 fingerlings of Hunan cloud crucian carp of 3.5～4.5 centimeters are rendered to the pond;
S5: feed is selected, and the selection protein content is 30%～40% feed.
Embodiment one:
Aquaculture model is the pattern of raising together with, and the pond size is 5 mu, 1.5 meters of the depth of waters, and other conventional requirements, leeward on the sunny side like the pond, non-leakage, annotate draining conveniently, smooth at the bottom of the pond, weather is provided with conditions such as food platform in the pond, repeats no more at this.No. 2 fingerlings of cloud crucian carp were gone into the pond preceding 15 days in Hunan, used quicklime 200mg/L or bleaching powder 20mg/L that water clear pond sterilization is with in the pond, and per 1000 square metres of waters surface are equipped with 1 in the aerator of 3kW, and making the pond water transparency is 35cm～40cm.The main kind Penaeus Vannmei of supporting, mu is put 90,000 shrimp seedlings, puts big specification summer flower 50 tails of No. 2 3.5-4.5 centimetres of Hunan cloud crucian carp, the dietary protein level 40% of throwing something and feeding, crude fat 6.0% in a suitable place to breed for every mu.Culturing time 23 days from April 11 to October amounts to 192 days, on October 23rd, 2010 the dried pool; 923 jin of Penaeus Vannmei per mu yields are caught No. 2 232 tails of Hunan cloud crucian carp, totally 143 kilograms altogether; 28.6 kilograms of average yield per mus, survival rate 232/250=92.8%, feed coefficient are zero (not waste).No. 2 average weights of Hunan cloud crucian carp 617 grams, maximum individual 780 grams.And continue to culture to December 25, No. 2 average weights of Hunan cloud crucian carp increase to 755 grams, maximum individual 1085 grams.Promptly form marketable fish then, compare, can increase income 274 yuan for every mu with existing cultural method.
Though along with the raising of dietary protein level, the corresponding raising of growth rate that Hunan cloud crucian carp is No. 2 considers that from the aquaculture economic benefit protein content of feed is not high more good more.Feed coefficient claims to increase meat factor again, i.e. the ratio of bait consumption and cultured fishes gain in weight, feed coefficient can reflect food quality and measuring and calculating bait consumption.When the nutritive value of bait is high more, feed coefficient is low more, and feed coefficient is low more, and it is few more that expression increases the used feed of unit output of aquatic products, just reduced feed cost, has improved the economic benefit of culturing.
The factor that influences feed coefficient has many, in the present embodiment, selects the Penaeus Vannmei shrimp seedling of putting distant relative's mating, virus-free infection in a suitable place to breed for use, has not only reduced feed coefficient, and survival rate, the growth rate of Hunan cloud crucian carp No. 2 all significantly improve.In addition, 1 in the aerator through per 1000 square metres of waters surface being equipped with 3kW improves the dissolved oxygen in water amount, reduces harmful gas concentration in the water, also helps reducing feed coefficient.
Embodiment two:
Aquaculture model is the intensive culture pattern, and the pond size is 10 mu, and 2.0 meters of the depth of waters are put No. 2 big specification summer flower 1600 tails of Hunan cloud crucian carp in a suitable place to breed for every mu, flower, each 30 tail of silver carp, and the dietary protein level 35% of throwing something and feeding, crude fat 6.4%, all the other are with embodiment one.Culturing time 25 days from April 11 to December, No. 2 average weights of Hunan cloud crucian carp 708 grams, maximum individual 890 grams, per mu yield reaches 1069.08 kilograms, feed coefficient 1.35, survival rate 94.4%.
Embodiment three:
Aquaculture model is big pond fish farming pattern, and the pond size is 280 mu, and 2.0 meters of the depth of waters are put No. 2 big specification summer flower 2000 tails of Hunan cloud crucian carp in a suitable place to breed for every mu, flower, each 30 tail of silver carp, and the dietary protein level 30% of throwing something and feeding, crude fat 6.2%, all the other are with embodiment one.Culturing time 25 days from April 11 to December, No. 2 average weights of Hunan cloud crucian carp 465 grams, maximum individual 525 grams, per mu yield reaches 758.3 kilograms, feed coefficient 1.39, survival rate 90.6%.
The feed that cooperates rational protein content through the cultural method of selecting to be fit to; No. 2 fast growths of Hunan cloud crucian carp, high, the individual size equalization of output; Feed coefficient is low in the culture experiment process, has embodied the advantage of low aquaculture cost, and is significant to the industrialized development of Hunan cloud crucian carp No. 2.Be under the situation of meagre profit even loss in breed light water product kind; Culture Hunan cloud crucian carp and have tangible economic benefit No. 2; Under the condition of large-scale cultivation; Economic benefit is more obvious, and 2782 yuan of net incomes per mu are referring to propping up artificial situation and situation of Profit in " culture experiment economic benefit information slip " as follows.
Culture experiment economic benefit information slip
Culture experiment economic benefit information slip
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. No. 2 cultural methods of a Hunan cloud crucian carp is characterized in that: may further comprise the steps,
S1: press the different breeding pattern, prepare the pond, the pond area is more than 667 square metres, 1.2～2.0 meters of the depth of waters, silt depth≤0.2 meter;
S2: the sterilization of clear pond, No. 2 fingerlings of Hunan cloud crucian carp are gone into the pond and were carried out in preceding 15 days, use the clear pond of quicklime 200mg/L or bleaching powder 20mg/L band water;
S3: oxygenation, 1 in the aerator of per 1000 square metres of waters surface outfit 3kW;
S4: press the different breeding pattern, No. 2 fingerlings of Hunan cloud crucian carp of 3.5～4.5 centimeters are rendered to the pond;
S5: feed is selected, and the selection protein content is 30%～40% feed.
2. No. 2 cultural methods of Hunan according to claim 1 cloud crucian carp is characterized in that: when selected aquaculture model when raising together with pattern, the pond size is 5 mu; 1.5 meters of the depth of waters; The main kind Penaeus Vannmei of supporting, mu is put 90,000 shrimp seedlings, puts big specification summer flower 50 tails of No. 2 3.5-4.5 centimetres of Hunan cloud crucian carp in a suitable place to breed for every mu; The dietary protein level 40% of throwing something and feeding, crude fat 6.0%.
3. No. 2 cultural methods of Hunan according to claim 1 cloud crucian carp; It is characterized in that: when selected aquaculture model was the intensive culture pattern, the pond size was 10 mu, 2.0 meters of the depth of waters; Put No. 2 big specification summer flower 1600 tails of Hunan cloud crucian carp in a suitable place to breed for every mu; Flower, each 30 tail of silver carp, the dietary protein level 35% of throwing something and feeding, crude fat 6.4%.
4. No. 2 cultural methods of Hunan according to claim 1 cloud crucian carp; It is characterized in that: when selected aquaculture model was big pond fish farming pattern, the pond size was 280 mu, 2.0 meters of the depth of waters; Put No. 2 big specification summer flower 2000 tails of Hunan cloud crucian carp in a suitable place to breed for every mu; Flower, each 30 tail of silver carp, the dietary protein level 30% of throwing something and feeding, crude fat 62%.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104273069A (en) * | 2014-10-20 | 2015-01-14 | 苏州苏湘特种水产养殖场 | Nuisanceless allogynogenetic crucian crap breeding method |
| CN104542377A (en) * | 2014-12-19 | 2015-04-29 | 常熟市昆承湖水产有限责任公司 | No.2 triploid crucian carp and grass carp mixed culture method |
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| CN101161064A (en) * | 2007-11-15 | 2008-04-16 | 天津市换新水产良种场 | A cultivation method of oolong crucian and ink dragon carp |
| CN101940184A (en) * | 2010-09-21 | 2011-01-12 | 华南农业大学 | Breeding and culturing method of improved crucian carp |
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- 2012-08-20 CN CN2012102964680A patent/CN102771431A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101161064A (en) * | 2007-11-15 | 2008-04-16 | 天津市换新水产良种场 | A cultivation method of oolong crucian and ink dragon carp |
| CN101940184A (en) * | 2010-09-21 | 2011-01-12 | 华南农业大学 | Breeding and culturing method of improved crucian carp |
Non-Patent Citations (4)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104273069A (en) * | 2014-10-20 | 2015-01-14 | 苏州苏湘特种水产养殖场 | Nuisanceless allogynogenetic crucian crap breeding method |
| CN104542377A (en) * | 2014-12-19 | 2015-04-29 | 常熟市昆承湖水产有限责任公司 | No.2 triploid crucian carp and grass carp mixed culture method |
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Application publication date: 20121114 |