CN107278988A - A kind of cultural method of big positive three colors fancy carp - Google Patents
A kind of cultural method of big positive three colors fancy carp Download PDFInfo
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- CN107278988A CN107278988A CN201710624192.7A CN201710624192A CN107278988A CN 107278988 A CN107278988 A CN 107278988A CN 201710624192 A CN201710624192 A CN 201710624192A CN 107278988 A CN107278988 A CN 107278988A
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- seed
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- fancy carp
- big positive
- pond
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/179—Colouring agents, e.g. pigmenting or dyeing agents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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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
-
- 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
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
Abstract
The invention discloses a kind of cultural method for the artifical compound feed and big positive three colors fancy carp for viewing and admiring fancy carp cultivation, the artifical compound feed, by weight, including following raw material：Fish meal 32~40, soya-bean cake 17~23, wheat bran 12~16, maize flour 17~23, wheat-middlings 4~6, vegetable oil 3~5, carrotene 0.1~0.3, astacin 0.1~0.3, spirulina 0.1~0.3, vitamin C 0.05~0.15, glycine betaine 0.1~0.3, raw meat peptide 0.05~0.15.The cultural method of big positive three colors fancy carp has used the artifical compound feed.What the present invention solved prior art presence forms the big positive three colors fancy carp of commodity, and extremely most grades are relatively low, and less, cultivation survival rate is not high, and the output value is low for ornamental value, the technical problem such as benefit is not obvious.The big positive three colors fancy carp obtained, body surface background color is snow-white, above there is bright red, pitch-dark dichromatism speckle, and mass colour does not enter head.
Description
Technical field
The present invention relates to culture of ornamental fish field, a kind of cultural method of big positive three colors fancy carp is related in particular to.
Background technology
Fancy carp is with its graceful bodily form, the color of floridity, elegant trip appearance, and very popular.With society of China
Meeting economic development, the material and culture and living standard of people are significantly improved, and the raising of fancy carp incorporates many silently
In the life of people, people have therefrom obtained the enjoyment of U.S., while accomplishment of body and mind, cultivates one's taste, increasing people likes being in
In lay out one or two lively and lovely fancy carp, it can not only intersperse room, beautify the environment, and make one to obtain the enjoyment of U.S., and
Temperature and humidity in regulation room can be played a part of.
The demand in market promotes the fast development of fancy carp aquaculture, and fancy carp all be can't do without in birds and flowers fish market in all parts of the country
Trace, fancy carp is one main kind of as ornamental fish in China.There are large quantities of fancy carp fans and fan in various regions, are formed
The great consumer group, but also expand constantly, it may be said that wide market.
The subject matter that current fancy carp aquaculture development is present is the commodity fancy carp of output, and extremely most grades are relatively low, view and admire
Value is little, and cultivation survival rate is not high, and the output value is low, and benefit is not obvious.The emphasis of viewing and admiring of fancy carp is its build, the chromaticness of body colour
With the change of decorative pattern, how to cultivate that a build is sturdy, glossy bright, the decorative pattern distribution rhythm of chromaticness claims, garish high-quality
Fancy carp, is the current technical bottleneck problem for having to solve.Only grasp seed pick choosing, water quality adjustment, feed management with
And the key technology such as disease control, it could support more preferably fancy carp is viewed and admired.
Wherein, big positive three colors fancy carp is one of current wide ace-high fancy carp kind, and big positive three colors fancy carp is Japanese Nigata
Area carp teachers just it is red in vain on the basis of cultivate red, white, the black three color fancy carp with mass colour color spot, because it is for greatly just
Epoch thus be named as big positive three color.The bodily form/color characteristic：Body surface background color is snow-white, above there is bright red, pitch-dark two kinds of color spot lines.It is overall
Color representation is dense, bright-coloured.White is white for porcelain, and undope other colors, inviolateness, stain.Erythema is homogeneous and dense,
It is preferred with the cerise, blood red, aubergine that have a sanguine style.Blackspot quality is dense, block in ink black, does not disperse, deep or light equal
It is even.Head is without blackspot.From rhynchodaenm to eyes-affinity, eye, cheek, the gill cover without erythema or blackspot, fin is also without erythema or blackspot.Pectoral fin
There is radial blackspot.Speckle trimming is neat, is distributed well-balanced.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of artifical compound feed for viewing and admiring fancy carp cultivation and used
The cultural method of the big positive three colors fancy carp of the feed.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：It is a kind of to view and admire manually matching somebody with somebody for fancy carp cultivation
Feed is closed, by weight, including following raw material：It is fish meal 32~40, soya-bean cake 17~23, wheat bran 12~16, maize flour 17~23, secondary
Powder 4~6, vegetable oil 3~5, carrotene 0.1~0.3, astacin 0.1~0.3, spirulina 0.1~0.3, vitamin C 0.05
~0.15, glycine betaine 0.1~0.3, raw meat peptide 0.05~0.15.
A kind of cultural method of big positive three colors fancy carp, comprises the following steps：
(1) seed is put in a suitable place to breed：Three colors fancy carp seed positive greatly is delivered into crawl in late May~late June, and simultaneously
Silver carp seed and bighead seed are delivered in collocation；
(2) feedstuff feeding：Pond starts full pool spilling head soya-bean milk and fed after 3~5d days under seed, when big positive three colors fancy carp seed
When specification reaches 3~5cm, above-mentioned artifical compound feed is fed；
(3) big positive three colors fancy carp seed selects：Selected for the first time when big positive three colors fancy carp seed grows to 3~5cm,
Remove seed, complete red seed, complete white seed, the seed of light black of deformity, big positive three colors fancy carp seed growth is treated afterwards
Selected for the second time to during 8~10cm, remove the colourless seed in back, the seed of back mass colour, red concentrate on side line with
Under seed, then carry out third time when big positive three colors fancy carp seed grows to 12~15cm and select, select and remain that fin-shaped is good, color
Gorgeous, speckle clearly seed, finally carries out the 4th time in big positive three colors fancy carp, two week old of seed and selects, it is spinning to select and remain build
Capitate, beautiful in colour, speckle clearly seed.
Further, step (3) also includes carrying out choosing for the third time when big positive three colors fancy carp seed grows to 12~15cm
Choosing, selects and remain that fin-shaped is good, beautiful in colour, speckle is clearly individual, finally carries out the 4th in big positive three colors fancy carp, two week old of seed
It is secondary to select, build is selected and remain for spindle, fin-shaped be good, beautiful in colour, speckle is clearly individual.
Further, the quantity ratio of silver carp fingerling and bighead fingerling is 3:1, silver carp fingerling and bighead fingerling always put close in a suitable place to breed
Spend for 150~250 tails/667m2。
Further, crawl selects area 2000m2~3500m2, pond depth 180cm~250cm Tu Chi or area 50m2
~100m2, pond depth 120cm~150cm cement pit.
Further, the breeding density of big positive three colors fancy carp seed is：When specification is 2~3cm, native pond 10000~15000
Tail/667m2, 120~160 tails of cement pit/m2；When specification is 4~5cm, native 6000~8000 tails of pond/667m2, cement pit 80~
120 tails/m2；When specification is 6~7cm, native 1500~2000 tails of pond/667m2, 30~40 tails of cement pit/m2；Specification is 8~10cm
When, native 800~1000 tails of pond/667m2, 20~30 tails of cement pit/m2；When specification is 11~15cm, the native tail of pond 350~450/
667m2, 10~15 tails of cement pit/m2。
Further, dispensing is concretely comprised the following steps：It will be equipped with first in water of the water bag bubble of seed in crawl at least
20min, makes in water bag that temperature is adapted in temperature and crawl, then in 20% ratio of original water in water bag to water bag
Water in middle addition crawl, observes whether seed has aniseikania, if without aniseikania, continuing to add into water bag and breeding fish when adding water
Water in pond, and original water in the water and water bag in crawl is reached 1:1 ratio, finally will
Seed, which is taken out, to be delivered into crawl.
Further, when water temperature is at 15~20 DEG C, feed day 1 time, day feeding volume accounts for the 1~3% of fish body gross weight；Water temperature
At 20~30 DEG C, feed day 2~3 times, day feeding volume accounts for the 3%~5% of fish body gross weight, wherein artifical compound feed accounts for day throwing
Feed the 75~85% of amount.
Further, when delivering seed, 3 are pressed into the water bag equipped with seed:100 solid-liquid ratio adds salt, immersion 15
Minute.
Further, in addition to daily management：Once divided pond within every 15~20d days, to adjust breeding density, point pond
When, bathing, 2~3min of time are carried out to fish body with 2% salt solution；A prevention work is carried out per 15d, with 2% salt+2ppm
Quick lime carries out full pool spilling head.
Beneficial effects of the present invention are embodied in：
The effectiveness of artifical compound feed of the present invention is mainly reflected on trophism, palatability, stability and coloring effect.
In terms of trophism, one is that can promote fancy carp growth, and two be that the various nutrition contents that can increase in fancy carp body colour, feed are full
Sufficient ornamental fish growth and hyperchromic demand；In terms of palatability, phagostimulant is with the addition of in artifical compound feed of the present invention, can improve and match somebody with somebody
The palatability of feed is closed, lures and promotes ornamental fish actively to ingest feed；In terms of stability, in artifical compound feed of the present invention
The usage amount of the more raw material of content of starch is added, makes feed not loose in certain time in water, so that ornamental fish ingests
And prevent scattering and disappearing and being lost in for nutriment；On coloring effect, colouring agent, such as spiral shell are with the addition of in artifical compound feed of the present invention
Revolve algae, astacin, carotenoid and its derivative etc., meet feed stuff for pet fish it is hyperchromic the need for, big positive three colors fancy carp is good for
Kang Shengchang plays an important roll with the formation of gorgeous body colour.
The cultural method of big positive three colors fancy carp of the invention can effectively improve the marketing quality of big positive three colors fancy carp and raise into
Motility rate, shortens breeding cycle, raises survival rate average out to 83.7%, obtains grade marketable fish ratio height, wherein, A grades of marketable fish
Proportion shortens breeding cycle 6~8 months (breeding cycle of the present invention is 3-4), raised into so as to reduce up to 69.2%
This, improves culture benefit (referring to table 3).
What the present invention solved prior art presence forms the big positive three colors fancy carp of commodity, and extremely most grades are relatively low, view and admire valency
Value is little, and cultivation survival rate is not high, and the output value is low, the technical problem such as benefit is not obvious.The big positive three colors fancy carp obtained, body surface background color
It is snow-white, above there is bright red, pitch-dark dichromatism speckle, and mass colour does not enter head.
Embodiment
The present invention is described in detail below in conjunction with embodiment.
This part carries out general description to the material and experimental method that are arrived used in present invention experiment.Although being
It is it is known in the art that still the present invention makees as far as possible herein to realize many materials used in the object of the invention and operating method
It is described in detail.It will be apparent to those skilled in the art that hereinafter, if not specified, material therefor of the present invention, equipment and operation
Method is well known in the art.
Embodiment 1
A kind of cultural method of big positive three colors fancy carp, comprises the following steps：
(1) culturing pool condition：Crawl selects 2000~3500m of area2, the deep 180~250cm in pond Tu Chi or area 50
~100m2, the deep 120~150cm in pond cement pit.Need necessary filter plant, light irradiation apparatus and constant temperature are installed in crawl and set
It is standby, beneficial bacteria culture is carried out before new fish enters fishpond, fishpond adds water and dripped daily into appropriate nitrobacteria, for three days on end, makes in fishpond
Nitrobacteria beneficial bacterium is balanced, and is suppressed harmful microbe in pond and is grown, prevents the generation of disease behind pond under new fish.Breeding water
Need are pure and fresh, stained without any, and pH7~8.5, DO is maintained at more than 5.0mg/L, 2~3mg of total hardness equivalents/L.Before seed pond-inputting
Must thorough disinfection, disinfecting drug quick lime etc., disinfecting time adds water foster water after minimum 7 days, 7 days, after one week of cultivation water,
Having wheel animalcule to occur in water can pond-inputting.
(2) seed is put in a suitable place to breed：Three colors fancy carp seed positive greatly is delivered into crawl in late May, and collocation is delivered simultaneously
Silver carp seed and bighead seed.
Before dispensing, the topped up with water into crawl, and salt is added into water, the adding proportion of salt is 100 liters of water/100
Gram salt, then starts filter pump, allows crawl to dry in the air several days of water, in the before noon of dispensing, opens heating rod, the water allowed in crawl
20~28 DEG C are reached, pH is transferred to 7.0~7.5.
When delivering seed, 3 are pressed into the water bag equipped with seed:100 solid-liquid ratio addition salt, immersion 15 minutes, then
Seed is delivered into crawl according to following steps：It will be equipped with first in water of the water bag bubble of seed in crawl at least
20min, makes in water bag that temperature is adapted in temperature and crawl, then in 20% ratio of original water in water bag to water bag
Whether water in middle addition crawl, seed is observed when adding water is had aniseikania (fish body activity in water is abnormal, daps or nothing of moving about
Power), if without aniseikania, continuing the water added into water bag in crawl, and make within 20~30min the water in crawl
1 is reached with original water in water bag:1 ratio, all water in water bag are finally outwelled, seed is put into fishpond, as far as possible
Original water in water bag is not poured into crawl, to reduce the pollution in fishpond；Fish is preferably turned off the light after entering fishpond.
The quantity ratio of silver carp fingerling and bighead fingerling is 3:1, total breeding density of silver carp fingerling and bighead fingerling is 250
Tail/667m2。
The breeding density of big positive three colors fancy carp seed is：When specification is 2~3cm, native 15000 tails of pond/667m2, cement pit
160 tails/m2；When specification is 4~5cm, native 8000 tails of pond/667m2, 120 tails of cement pit/m2；When specification is 6~7cm, Tu Chi
2000 tails/667m2, 40 tails of cement pit/m2；When specification is 8~10cm, native 1000 tails of pond/667m2, 30 tails of cement pit/m2；Specification
During for 11~15cm, native 450 tails of pond/667m2, 15 tails of cement pit/m2, when specification is more than 15cm, put by existing breeding density
Support.
(3) feedstuff feeding：Pond is after 3~5d days under seed, and wheel animalcule is reduced in pond, it is impossible to meet fry needs, starts full pond
Soya-bean milk of splashing is fed, and when big positive three colors fancy carp seed size reaches 3~5cm, based on artifical compound feed, natural feed is
Auxiliary progress feeds domestication, by weight, and artifical compound feed includes following raw material：Fish meal 32, soya-bean cake 17, wheat bran 12, maize flour
17th, wheat-middlings 4, vegetable oil 3, carrotene 0.1, astacin 0.1, spirulina 0.1, vitamin C 0.05, glycine betaine 0.1, raw meat peptide
0.05；Natural feed is any one in the internal organ of pasture and water, spinach, melon and fruit, chironomus larvas, earthworm, small fish and shrimp, shellfish or animal
Plant or a variety of.
Water temperature is fed 1 time, day feeding volume accounts for the 2% of fish body weight day at 15~20 DEG C；Water temperature is at 20~30 DEG C, day
Feed 3 times, day feeding volume accounts for the 4% of its total weight；Wherein artifical compound feed accounts for the 80% of day feeding volume, and natural feed accounts for day
The 20% of feeding volume.
(4) big positive three colors fancy carp seed selects：Selected for the first time when big positive three colors fancy carp seed grows to 3~5cm,
Remove seed, complete red seed, complete white seed, the seed of light black of deformity, big positive three colors fancy carp seed growth is treated afterwards
Selected for the second time to during 8~10cm, remove the colourless seed in back, the seed of back mass colour, red concentrate on side line with
Under seed, then carry out third time when big positive three colors fancy carp seed grows to 12~15cm and select, select and remain that fin-shaped is good, color
Gorgeous, speckle is clearly individual, and finally carrying out the 4th time in big positive three colors fancy carp, two week old of seed selects, and it is spinning to select and remain build
Capitate, fin-shaped are good, beautiful in colour, speckle is clearly individual.
Fin-shaped described here refers to well each fin without deformity, and described beautiful in colour, speckle is clearly according to ability
The aesthetical standard in domain judges.
(5) daily management：It is early, middle and late daily to patrol the pool once, observe the change of water quality, the activity of fish and situation of ingesting.Through
Oxygen increasing equipment situation is often checked, ensures that oxygen increasing equipment can run well；Debris and dead fish in pond are removed daily；Note observing fingerling
Activity, whether normal ingest, and pull sick fish in pond out in time and individually treated；Producers will carry out to fishpond daily
The writing task of water temperature, dissolved oxygen, pH, output etc..With the growth of fingerling, and time-division pond, adjust breeding density, every 15
Once divided pond within~20d days, when dividing pond, bathing, 2~3min of time are carried out to fish body with 2% salt solution；Nurturing period will do
The preventing and controlling of good fish disease, periodic administration thing prevention, common drug has：Hundred poison clear, quick lime, chlorine dioxide etc., prevent concentration
Respectively 0.8ppm, 2ppm, 0.3ppm；Treatment concentration, general amplification is 50%.Other disinfecting drugs also have potassium permanganate, soil
Mycin, organic iodine solution etc., specifically regard disease type and determine to use medicine and concentration；A prevention work is carried out per 15d, with 2%
Salt+2ppm quick limes carry out full pool spilling head.
(6) disease control
It must soaked 15 minutes toward the salt that concentration 3% is put into fish bag before new fish enters fishpond, the disease of killing part body surface
Pathogenic microorganism, in breeding process, keeps water quality pure and fresh；It should try one's best and avoid fish body injured；The tool of production answers special pond special, uses
It is front and rear to carry out disinfection or exposure.The medicine of sterilization：Potassium permanganate 100mg/L, embathes 30min；Or salt 5%, embathe 30min；
Or bleaching powder 5%, embathe 20min；Periodically culturing pool is carried out disinfection simultaneously.Common fish disease and its treatment method, are referred to down
Table 1.
The big positive three colors fancy carp Common Diseases of table 1 and its prophylactico-therapeutic measures
Embodiment 2
A kind of cultural method of big positive three colors fancy carp, specific steps be the same as Example 1 is similar, and difference is only that：The present embodiment
In, big positive three colors fancy carp seed is delivered in late June and arrives crawl；
Total breeding density of silver carp fingerling and bighead fingerling is 150 tails/667m2；
The breeding density of big positive three colors fancy carp seed is：When specification is 2~3cm, native 10000 tails of pond/667m2, cement pit
120 tails/m2；When specification is 4~5cm, native 6000 tails of pond/667m2, 80 tails of cement pit/m2；When specification is 6~7cm, native pond 1500
Tail/667m2, 30 tails of cement pit/m2；When specification is 8~10cm, native 800 tails of pond/667m2, 20 tails of cement pit/m2；Specification is 11
During~15cm, native 350 tails of pond/667m2, 10 tails of cement pit/m2；
By weight, artifical compound feed includes following raw material：Fish meal 40, soya-bean cake 23, wheat bran 16, maize flour 23, wheat-middlings
6th, vegetable oil 5, carrotene 0.3, astacin 0.3, spirulina 0.3, vitamin C 0.15, glycine betaine 0.3, raw meat peptide 0.15；
When water temperature is at 15~20 DEG C, feed day 1 time, day feeding volume accounts for the 1% of fish body gross weight；Water temperature is at 20~30 DEG C
When, feed day 2 times, day feeding volume accounts for the 5% of fish body gross weight.Wherein artifical compound feed accounts for the 85% of day feeding volume, natural to raise
Material accounts for the 15% of day feeding volume.
Embodiment 3
A kind of cultural method of big positive three colors fancy carp, specific steps be the same as Example 1 is similar, and difference is only that：The present embodiment
In, big positive three colors fancy carp seed is delivered mid-June and arrives crawl；
Total breeding density of silver carp fingerling and bighead fingerling is 200 tails/667m2；
The breeding density of big positive three colors fancy carp seed is：When specification is 2~3cm, native 12000 tails of pond/667m2, cement pit
140 tails/m2；When specification is 4~5cm, native 7000 tails of pond/667m2, 100 tails of cement pit/m2；When specification is 6~7cm, Tu Chi
1600 tails/667m2, 35 tails of cement pit/m2；When specification is 8~10cm, native 900 tails of pond/667m2, 25 tails of cement pit/m2；Specification
During for 11~15cm, native 400 tails of pond/667m2, 12 tails of cement pit/m2；
By weight, artifical compound feed includes following raw material：Fish meal 36, soya-bean cake 20, wheat bran 14, maize flour 20, wheat-middlings
5th, vegetable oil 4, carrotene 0.2, astacin 0.2, spirulina 0.2, vitamin C 0.1, glycine betaine 0.2, raw meat peptide 0.1；
When water temperature is at 15~20 DEG C, feed day 1 time, day feeding volume accounts for the 3% of fish body gross weight；Water temperature is at 20~30 DEG C
When, feed day 3 times, day feeding volume accounts for the 3% of fish body gross weight.Wherein artifical compound feed accounts for the 75% of day feeding volume, natural to raise
Material accounts for the 25% of day feeding volume.
Big positive three colors fancy carp marketable fish classification is main in terms of build, body colour, speckle three, according to A, B, C Three Estate
It is classified, refers to table 2.The yield of the big positive three colors fancy carps at different levels finally obtained according to this canonical statistics the various embodiments described above,
The results detailed in Table 3.
A grades of standard：Body is high to should be 1 with the long ratio of body:2.6 to 1:3.0, rhynchodaenm is wider, caudal peduncle is thick, and back forms grace
Curve；Overall color requires dense, bright-coloured, background color answer it is pure white as avenged, can not adulterate other colors, must not also have a stain, stain,
Erythema is homogeneous and dense, is preferred with the cerise, blood red, aubergine that have a sanguine style, and erythema edge (refers to and demarcated with white background
Place) it is distinct；Blackspot quality is dense, non-dispersible or gradation unequal is even in pitch-dark color lump shape；All erythema requirements and red white A grades of mark
It is accurate identical；Head must have erythema and without blackspot, all blackspots must in dense, not scattered big block distribution, and not with erythema
Overlapping, the blackspot total amount from nostril to tail fin base portion must account for fish whole surface area 10%, and erythema is no more than 40% with blackspot summation,
Can not all there are erythema or blackspot from rhynchodaenm to edge at the moment, eye, cheek, the gill cover；Each fin can not have the appearance of erythema blackspot, from
Head trailing edge must have to dorsal fin leading edge should be with the presence of erythema at block blackspot, caudal peduncle, and body is latter half of can not too many blackspot.
B grades of standard：Build, body colour are identical with A levels；Speckle except rhynchodaenm, eye, cheek, the gill cover and dorsal fin, pectoral fin,
Can have at abdomeinal fin, tail fin and only have outside one to two piece small blackspot, other are identical with A levels.
C grades of standard：In addition to body is high and the long ratio of body can allow to have 10% or so deviation, other are identical with A, B level；Body
Erythema color can relax to be orange-yellow on color, have blackspot, to black concentrations no requirement (NR)；Head must have erythema and without black
Spot, with the presence of blackspot, color depth is not required, can be small blackspot, but can not be small such as sesame shape；Blackspot can be mutually overlapping with erythema
It is folded, rhynchodaenm, eye, cheek, the gill cover and dorsal fin, pectoral fin, abdomeinal fin, can all have blackspot at tail fin, from head trailing edge to dorsal fin before
Edge is not essential to blackspot no requirement (NR), to erythema and blackspot no requirement (NR) at caudal peduncle.
The big positive three colors fancy carp grade scale of table 2
The culture efficiency of 3 three kinds of case study on implementation of table compares
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of artifical compound feed for viewing and admiring fancy carp cultivation, by weight, including following raw material：Fish meal 32~40, soya-bean cake 17
~23, wheat bran 12~16, maize flour 17~23, wheat-middlings 4~6, vegetable oil 3~5, carrotene 0.1~0.3, astacin 0.1~
0.3rd, spirulina 0.1~0.3, vitamin C 0.05~0.15, glycine betaine 0.1~0.3, raw meat peptide 0.05~0.15.
2. a kind of cultural method of big positive three colors fancy carp, it is characterised in that comprise the following steps：
(1) seed is put in a suitable place to breed：Three colors fancy carp seed positive greatly is delivered in late May~late June and arranged in pairs or groups into crawl, and simultaneously
Deliver silver carp seed and bighead seed；
(2) feedstuff feeding：Pond starts full pool spilling head soya-bean milk and fed after 3~5d days under seed, when big positive three colors fancy carp seed size
When reaching 3~5cm, artifical compound feed as claimed in claim 1 is fed；
(3) big positive three colors fancy carp seed selects：Selected, removed for the first time when big positive three colors fancy carp seed grows to 3~5cm
The seed of deformity, complete red seed, complete white seed, the seed of light black, treat afterwards big positive three colors fancy carp seed grow to 8~
Selected for the second time during 10cm, remove the colourless seed in back, the seed of back mass colour, the red seedling concentrated on below side line
Kind.
3. the cultural method of big positive three colors fancy carp as claimed in claim 2, it is characterised in that step (3) also includes treating big just
Third time is carried out when three color fancy carp seeds grow to 12~15cm to select, and selects and remain that fin-shaped is good, beautiful in colour, speckle is clearly individual
Body, finally carries out the 4th time in big positive three colors fancy carp, two week old of seed and selects, and selects and remain build for spindle, fin-shaped be good, color
Gorgeous, speckle is clearly individual.
4. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that silver carp fingerling and bighead fish
The quantity ratio planted is 3:1, total breeding density of silver carp fingerling and bighead fingerling is 150~250 tails/667m2。
5. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that crawl selects area
2000m2~3500m2, pond depth 180cm~250cm Tu Chi or area 50m2~100m2, pond depth 120cm~150cm cement
Pond.
6. the cultural method of positive three colors fancy carp as claimed in claim 5 big, it is characterised in that big positive three colors fancy carp seed is put
Foster density is：When specification is 2~3cm, native 10000~15000 tails of pond/667m2, 120~160 tails of cement pit/m2；Specification be 4~
During 5cm, native 6000~8000 tails of pond/667m2, 80~120 tails of cement pit/m2；When specification is 6~7cm, native pond 1500~2000
Tail/667m2, 30~40 tails of cement pit/m2；When specification is 8~10cm, native 800~1000 tails of pond/667m2, cement pit 20~30
Tail/m2；When specification is 11~15cm, native 350~450 tails of pond/667m2, 10~15 tails of cement pit/m2。
7. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that dispensing is concretely comprised the following steps：
At least 20min in water of the water bag bubble of seed in crawl is will be equipped with first, makes temperature and temperature phase in crawl in water bag
Adapt to, the water then added in 20% ratio of original water in water bag into water bag in crawl observes seed when adding water
Whether there is aniseikania, if without aniseikania, continuing the water added in crawl into water bag, and make within 20~30min to breed fish
Original water in water and water bag in pond reaches 1:1 ratio, seed is finally taken out deliver into crawl.
8. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that when water temperature is at 15~20 DEG C
When, feed day 1 time, day feeding volume accounts for the 1~3% of fish body gross weight；Water temperature is fed 2~3 times, day feeds day at 20~30 DEG C
Amount accounts for the 3%~5% of fish body gross weight, and wherein artifical compound feed accounts for the 75~85% of day feeding volume.
9. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that when delivering seed, to equipped with
3 are pressed in the water bag of seed:100 solid-liquid ratio adds salt, soaks 15 minutes.
10. the cultural method of big positive three colors fancy carp as claimed in claim 2 or claim 3, it is characterised in that also including daily management：
Once divided pond within every 15~20d days, to adjust breeding density, when dividing pond, bathing, time 2 are carried out to fish body with 2% salt solution
~3min；A prevention work is carried out per 15d, full pool spilling head is carried out with 2% salt+2ppm quick limes.
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| CN113974025A (en) * | 2021-11-29 | 2022-01-28 | 华南农业大学 | Method for breeding tilapia with crisp meat |
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