CN107173277A - The acclimation method and cultural method of a kind of sturgeon - Google Patents
The acclimation method and cultural method of a kind of sturgeon Download PDFInfo
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- CN107173277A CN107173277A CN201710554167.6A CN201710554167A CN107173277A CN 107173277 A CN107173277 A CN 107173277A CN 201710554167 A CN201710554167 A CN 201710554167A CN 107173277 A CN107173277 A CN 107173277A
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
Abstract
The invention provides a kind of acclimation method of sturgeon and cultural method, it is related to technical field of aquaculture.A kind of acclimation method of sturgeon, including：When domestication is started, biological feedstuff is fed；After domestication 1~3 day, feeding biological feedstuff and mixed fodder；After domestication 15~25 days, feeding mixed fodder is with propagating feed artificially；After domestication 35~45 days, feed is propagated in feeding artificially.This method domestication survival rate is high, and effect is notable.A kind of cultural method of sturgeon, including：Sturgeon is tamed using the acclimation method of above-mentioned sturgeon, feeding is propagated feed artificially and propagated artificially after domestication.The sturgeon yield cultivated by this method is high, good quality.
Description
Technical field
The present invention relates to technical field of aquaculture, and the acclimation method and cultural method of more particularly to a kind of sturgeon.
Background technology
Sturgeons is the spoke Fin fish of most ancient and most original existing on the earth, and sturgeon is the empty spine referred to as living fossil
The existing kind in the age of fishes, is that individual is maximum in freshwater fish, the fish of longest-lived, with important researching value and high
Economic value.In recent years, the diversion works built due to the pollution of fisheries water, rivers and build a dam and blocked its migration to lead to
Road, in addition cruel fishing for many years is excessively captured, and its ecological environment is seriously damaged, is caused sturgeon resource constantly to fail, some kind
Class is endangered.
Sturgeon belongs to cartilaginous fish, without miscellaneous thorn, is to carry out the fine raw material of deep processing.Sturgeon finely processed product, product can go out
Mouth European market, while domestic market can also be developed as inflight meal.In addition, the deep processing of sturgeon roe sauce, its economy is latent
Power also will be considerable.In summary, develop the existing short-and-medium investment benefit of sturgeon cultivation, there are long-term economic potentiality to dig again,
Sturgeon cultivation can greatly be developed, and the market demand can further expand, with the raising and increasingly of living standards of the people
The material requisite of growth, sturgeon is expected to turn into the medium-to-high grade aquatic products of major consumers from now on.
Sturgeon postlarva stage is period most sensitive in sturgeon life cycle, and now fry constitution is the most delicate, extraneous
The mutation or deterioration of environment, inanition or disagreeable to the taste can all cause large quantities of death of fry.Therefore, scientifically and rationally carry out
Feeding management, has vital meaning to postlarva stage survival rate and quality.
The content of the invention
It is an object of the invention to provide a kind of acclimation method of sturgeon, this method domestication survival rate is high, and effect is notable.
Another object of the present invention is to provide a kind of cultural method of sturgeon, the sturgeon yield cultivated by this method
Height, good quality.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of acclimation method of sturgeon, including：
When domestication sturgeon is started, biological feedstuff is fed；
After domestication 1~3 day, while feeding biological feedstuff and mixed fodder, the scale of feeding of biological feedstuff is with the domestication time
Elapse equal proportion to reduce, the scale of feeding of mixed fodder increases with the passage equal proportion of domestication time；
After domestication 15~25 days, stop feeding biological feedstuff, and beginning is reduced with the passage equal proportion of domestication time and mixed
The scale of feeding of feed, and start feeding and propagate feed artificially, the scale of feeding of feed is propagated artificially with the ratio such as passage of domestication time
Example increase；
After domestication 35~45 days, stop feeding mixed fodder.
The present invention proposes a kind of cultural method of sturgeon, including：Sturgeon is tamed and dociled using the acclimation method of above-mentioned sturgeon
Change, feeding is propagated feed artificially and propagated artificially after domestication.
A kind of acclimation method of sturgeon and the beneficial effect of cultural method of the embodiment of the present invention be：
A kind of acclimation method for sturgeon that the present invention is provided, this method uses biological feedstuff, mixed fodder, propagates feeding artificially
Material, which cooperates, to be fed so that sturgeon gradually receives artificial breeding feed, easily raises and train and feed conversion rate is high.It is biological feedstuff, mixed
Close feed, propagate artificially in feed containing abundant nutriment, not only meet the normal growth demand of sturgeon, and contribute to
The survival rate of sturgeon is improved, yield is improved, abundant nutriment adds the nutrition that sturgeon contains in itself, improves quality.
A kind of cultural method of sturgeon, the sturgeon fast growth cultivated by this method, nutritious, delicious meat,
Disease resistance is strong, and survival rate is high, with preferable economic benefit, has a extensive future.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional production that can be obtained by commercially available purchase
Product.
The acclimation method and cultural method of a kind of sturgeon of the embodiment of the present invention are specifically described below.
The general cultivation to sturgeon fry, using feed is propagated artificially, is graininess, according to the experience of inventor, directly using hard
It is unsatisfactory that pellet carries out domestication effect to sturgeon.
A kind of acclimation method of sturgeon provided in an embodiment of the present invention, including：
Because sturgeon is to propagating the more difficult reception of feed artificially, directly feeds and be easy to meeting food refusal, cause the death of sturgeon, therefore
When starting domestication to sturgeon, biological feedstuff is fed；
In the present invention, biological feedstuff is mainly earthworm, and sturgeon does not repel for earthworm, can directly be eaten.Preferably,
Earthworm to sturgeon feeding is the earthworm that inventor individually cultivates.Cultural method is as follows：
1. select place
Three-dimensional culture place is preferably selected in interior, it is to avoid influence of the bad condition to earthworm growth and breeding, be easy to control temperature,
Humidity and ventilation etc., improve the reproductive capacity and the speed of growth of earthworm, to obtain higher yield.
2. prepare the special feed of earthworm
Count by weight, preparing the raw material of the special feed of earthworm includes：First 40~60 parts of feed, the second feed 40~
60 parts, the first feed includes grain type feces of livestock and poultry, agricultural crop straw, and the second feed includes the careless type feces of livestock and poultry of food.
Grain type feces of livestock and poultry includes pig manure, chicken manure, duck excrement etc..The careless type feces of livestock and poultry of food include cow dung, horsehit, sheep manure,
Rabbit excrement etc..The edible feed species of livestock and poultry is different, and the material contained in excrement is also different.Containing more in grain type feces of livestock and poultry
Crude protein, fat, ash content, carbohydrate, fiber, contain more crude protein, crude fibre, nothing in the careless type feces of livestock and poultry of food
Nitrogen extract, crude fat, two kinds of feces of livestock and poultry, which is mixed, can increase the species of material in earthworm feedstuff, make earthworm
Nutrition is more balanced, contributes to fast-growth and the breeding of earthworm, improves the yield and quality of earthworm.
Agricultural crop straw includes maize straw, straw, straw, Rape Straw and peanut stalk etc..The kind that agricultural crop straw is included
Class is more, and the nutriment contained is abundanter.Agricultural crop straw crude fiber content is high, it can be difficult to being digested and assimilated by animal.Cause
This, softens it by agricultural crop straw by fermentation in the present invention, improves its palatability, while being easy to digestion.
In order to increase the nutritional ingredient of feed, the nutrition of balanced earthworm feedstuff improves the fertility and yield of earthworm, former
Material also includes 5~15 parts of additive.Further, in the present invention preferably in embodiment, additive include paper pulp, bagasse,
At least one of rotten fruit, rotten leaf, rotten grass.
The first feed, the second feed sprinkling mass percent are sealed for 1~10% EM bacterium aqueous solution with agricultural film respectively,
Fermented at room temperature, fermentation time was two weeks to one month.
3. prepare earthworm bed
After the completion of the feed preparation of earthworm, the last week preparation earthworm bed is at least carried.First (wrapped in frame for cultivating when preparing earthworm bed
Include ground floor) each layer by below, two sides and order above put wide 35cm portable plate respectively, then spread about
Loam thick 10cm, then the earthworm feedstuff that thickness about 15cm is modulated is put on loam, the top lid last layer about 5cm is thick
Straw.
4. deliver earthworm
5. daily management
After planting earthworm dispensing about 15 days, earthworm excrement is removed.
In summer, the humidity condition of running check earthworm bed, if many bottoms in earthworm bed of earthworm, earthworm bed surface is done
It is dry, sprayed water.Slowly to be carried out during water spray, earthworm bed of making sure to keep in mind directly to be drenched with water pipe, easily cause earthworm bed humidity excessive and draw
Earthworm is played to escape.General 7 days of summer sprayed a water, and other seasons depend on the circumstances, keep the humidity of earthworm bed 65~
75%.
Winter due to cold weather, in addition to periodically addition fresh feed, it is also noted that warming.Except lid on earthworm bed
Outside the thick straw of last layer, also to cover and not only be incubated but also ventilative thing, such as discarded woollen blanket, rotten cotton-wadded quilt thing.Keep earthworm
Bed promotes earthworm flourish in the winter time at a higher temperature, it is preferable that can improve earthworm by forms such as heatings
The yield of earthworm.
6. point group
When the earthworm density of earthworm bed reaches about 20,000 every square metre, plant earthworm offspring's wall scroll average weight is up to 0.5 gram and goes out
Group can be divided during existing annulus, point group is conducive to accelerating the growth and breeding speed of earthworm, improves earthworm yield.
7. harvesting
Utilization can be harvested when annulus occurs in the earthworm of productive group, young earthworm is left during harvesting, annulus occurs in only harvesting
Into earthworm, in order to young earthworm continued growth, wait to grow into harvesting utilization after earthworm again.The earthworm harvested is stored in equipped with moistening fertilizer
It is stand-by in the cloth bag of soil.
After domestication 1~3 day, feeding biological feedstuff and mixed fodder, in order that sturgeon is gradually reduced to biological feedstuff
Rely on, the scale of feeding of biological feedstuff is reduced with the passage equal proportion of domestication time, and the scale of feeding of mixed fodder is with domestication
The passage equal proportion increase of time；As a kind of feed mode, in daily feeding, the scale of feeding of biological feedstuff is gradually decreased
Or feeding frequency, gradually increase the scale of feeding or feeding frequency of mixed fodder, it is 1~2 time/d such as to start during feeding mixed fodder,
Increase to 4~5 times/d after 5 days, mixed fodder can be finally fed completely.
Further, in present pre-ferred embodiments, mixed fodder, which includes eel feed, soya-bean oil, pork liver, water flea, to be done
At least one of powder, glycine betaine.Wherein addition eel feed has been mainly adhesive effect, also has certain effect for food calling.
The addition of soya-bean oil about 5% or so, it can improve the fat content in feed, absorption of the increase fry to liposoluble vitamin
Utilize；Fresh liver then includes abundant active enzyme material, is conducive to fry to the digestibility and utilizations of various nutritional ingredients in feed,
Percentage by weight in mixed fodder is 20~30%.Preferably, the percentage by weight of pork liver can for 21%, 23%, 24%,
26%th, 28%.
After domestication 15~25 days, it is preferable that 16 days or 19 days or 20 days or after 23 days, feeding mixed fodder is with propagating artificially
Feed, the scale of feeding of mixed fodder is reduced with the passage equal proportion of domestication time, propagates the scale of feeding of feed artificially with tame and docile
The passage equal proportion increase of change time；In this process, sturgeon, which slowly receives to eat, propagates feed artificially.
In the present invention, propagating feed artificially includes：Inlet steam fish meal 26%, high-grade white fish meal 14%, full-fat bean
25%th, active dry yeasr 21%, high-strength flour 14% and add refined fish oil, it is lysine, methionine, fish B B-complex, micro
Element etc..Feed ingredient assay value.Thick protein >=44.0%, crude fat >=10.0%, crude fibre≤5.0%, coarse ash≤
14.0%th, moisture content≤10.0%, lysine >=2.6%, total phosphorus >=0.9%, calcium 0~2.5%.
After domestication 35~45 days, it is preferable that after domestication 37 days or 38 days or 39 days or 40 days or 42 days, feeding is propagated artificially
Feed.
Sturgeon is in the period of fry stage is most sensitive in its life cycle, and opening phase fry constitution is weak, ingestion ability
Not strong, accommodative ability of environment is poor, death rate height etc., using biological feedstuff, mixed fodder, propagates feed mixing, alternately feeding artificially
Hello, fry is relatively easily accepted by feed, and domestication effect is obvious.Meanwhile, biological feedstuff, mixed fodder, propagate artificially feed contain it is abundant
Nutriment, not only meet the normal growth demand of sturgeon, and be favorably improved the survival rate of sturgeon, improve yield, it is rich
Rich nutriment adds the nutrition that sturgeon contains in itself, improves quality.
Further, in present pre-ferred embodiments, in order to reduce the death rate of sturgeon, sturgeon feeding feed stuff is being given
When, in biological feedstuff and/or mixed fodder and/or the appropriate Enrofloxacin HCL of feed addition, sulfanilamide (SN), feeding can be propagated artificially
Expect at least one of enzyme preparation, probiotic.
Enrofloxacin HCL, sulfanilamide (SN) are antibacterials, prevent and treat sturgeon bacteria infection.Feed enzyme preparation improves sturgeon to feed
Digestion, improve metabolism efficiency in sturgeon body.Probiotic improves sturgeon gut flora balance, promotes growth.Add hydrochloric acid grace promise
Sha Xing, sulfanilamide (SN), feed enzyme preparation, probiotic, can significantly activate the immune system of sturgeon itself, improve various beneficial enzymes in vivo
And the activity and content of immunogene, there is significant curative effect to the bacterial disease and common disease (enteritis, gill rot etc.) for preventing and treating sturgeon, strengthen fish
Body resistance, resistant transport ability is strong.
Sturgeon both without jaw tooth, also without pharynx tooth, felt and search of food, by the osculum that can be stretched by 4 antennas before mouth
Gulp down and suck thing.Acipenseridae fish are relied primarily in the sense of taste in the mixotrophism stage foraging behavior of beginning, and smell is larger in the later stage
The young in seem extremely important.Sturgeon can feel that the shape, soft, hard, granular size and surface smoothness of food etc. are trickle
Difference, the coherence to food is stronger, the unfamiliar food of food refusal, to make sturgeon change its intrinsic feeding habits to receive hand fit to raise
Material, sturgeon feed should use special processing process.
Biological feedstuff, mixed fodder, normal diet, by smashing, sieving, microparticle is made, are dried before feeding.
Further, in present pre-ferred embodiments, screen cloth is 10~20 mesh, and the feed sturgeon of the size is easier food
With.Preferably, screen cloth is 13 mesh or 16 mesh or 18 mesh.
Further, in present pre-ferred embodiments, the water content of dried microparticle is 40~60%.In order that
Obtain sturgeon bait pine in water good in water stability without dissipating, be adapted to the feeding feature of sturgeon, can completely absorb, not cause
Water quality and bottom of pond pollution, are conducive to water quality protection.
A kind of cultural method of sturgeon provided in an embodiment of the present invention, including：
1. fishpond：
Fishpond area：15~50m2, 50m is not preferably greater than typically2.Fishpond shape：Suit measures to local conditions, preferably rectangle.Knot
Structure：Marketable fish cultivation pool area is larger, and materials are more, it is desirable to which strength and stability is good, and making material should suit measures to local conditions, and main body can be with
With cement, mountain stone, river stone, brick etc., pond inwall cement Troweling press finishing.Depth：When supporting 3~30g fingerlings, the depth of water 0.7~
0.8m, 30g are with headwater depth 1m.Supply water：The rectangle fishpond supply and discharge mouth of a river is opened in pond two respectively, and discharge outlet is necessarily located at the bottom in pond
Portion.Water supply position can select top to supply water, it is therefore an objective to which the dirts such as the residual bait and excrement of fish are automatically drained out into fishpond.Draining and water level
Control：The gradient 10~15% in elongated pond.In favor of thoroughly draining.Water level control and blowdown mode are equal with bushing type water discharging valve
Can.Water exchange capacity is controlled, less fishpond, 1~3 time/h of last stage water exchange capacity of cultivation large size fingerling or marketable fish.Face
Product 50m2The fishpond of left and right, regarding water temperature, breeding density situations such as, the exchange capacity of water can be controlled in 1~4 time/h.
Fishpond is soaked with clear water and uses within 1 week before 10~15 days fingerling stockings quick lime (0.5 public affairs of every square metre of pool area
Jin) it is watered and spills sterilization, put and fishpond is filled within 3 days before fingerling with clear water rush that row is secondary to rinse lime well.In sturgeon fry pond-inputting
Preceding 1~2d concentration sterilizes for 10~20mg/L potassium permanganate decoction full pool spilling head, after sterilization i.e. perfusion water deep 40~
50mg.Water source meets national fisheries water water standard.
Water pH value is 7.0~8.5, and water temperature is 16~22 DEG C or so in fry stage, and dissolved oxygen is sufficient, and water source dissolved oxygen is more than
6mg/L, water quality is limpid, and without any pollution, particularly no industrial pollution, temperature is suitable, it is ensured that have as far as possible long growth period, and
There is certain reasonable drop, the water source that fishpond can be flowed into naturally is good., all should be according to the size of output during design production fishpond
It is designed as foundation.There is provided stable water temperature condition in marketable fish breeding process, it can effectively shorten the culture-cycle,
Speed up capital turnover speed, is the effectiveness of operation that the producer has brought.Therefore, when selecting water source, emphasis to consider, get water clear
Warm changing rule, should select to support the water source of the suitable water temperature time length of sturgeon or constant thermophilic as far as possible.
2. deliver sturgeon kind：40 tails/m is pressed by the sturgeon kind that specification is 3.5g is cultivated2Breeding density be put into fishpond.Fish
Plant before pond with 5~10min of potassium permanganate decoction dipping bath fish body that concentration is 10~20mg/L.
3. being tamed using the acclimation method of above-mentioned sturgeon to sturgeon, feeding is propagated feed artificially and carried out manually after domestication
Cultivation.
Timing feeds feed, and when fish is normal, (fish are ill, not by mountain torrents muddy water influenceed) feeds 6 daily
~8 times, the bait throwing in time is to be fed 1 time at interval of 3~4h, it is desirable to whole fishes feed into eighty per cant it is full untill；Two be avoid as far as possible into
Drainage position bait throwing in, it is to avoid the shoal of fish teases water, feed to be lost in current.
Water temperature is maintained at 18~22 DEG C in fishpond, and water level is maintained at 40cm or so, in order that the water in fishpond has foot
Enough oxygen, the breeding density in sturgeon pond is 1000~5000 tails/m2When, the water supply amount in every square metre of sturgeon pond is 0.5L/
Min~0.7L/min.Preferably, the water supply amount in sturgeon pond is 0.55L/min, 0.63L/min, 0.67L/min.Water in pond
Stereoscopic situation can keep certain flowing or rotation, in favor of blowdown.
4. and time-division pond：The speed of growth of sturgeon prelarva is very fast, it should be noted that carry out a point pond in time, adjusts density.Put close in a suitable place to breed
When spending big, the free activity space of fry is relatively reduced, and water fish seedling Metabolites Concentration increases, and not only increases prelarva
Itself inhibitory action, influences the metabolism of prelarva and grows, while also easily causing the shortage of water body dissolved oxygen amount, fry is stopped up
Breath is dead.The density of nursery is adjusted mainly using the changes of weight of fry as foundation, at cultivation initial stage typically in prelarva, puts close in a suitable place to breed
Degree control is in 3000~5000 tails/m2, 1000~2000 tails/m is adjustable to during to opening2。
5. timing blowdown：Perform blowdown work and be to maintain a good important measures of water quality.It is high density that flowing water, which supports sturgeon,
Intensive culture, fish faeces, residual bait are more, and in addition to part is taken away with draining on ordinary days, should also periodically discharge water blowdown.Blowdown operation is rapid,
And regulate into water and displacement, it is to avoid because blowdown discharges water, fish is stacked into fish screen, online friction, extruding injury, or water inlet
Flow velocity is too fast, makes fish is tired to cause injury.Especially sturgeon cultivation initial stage because fingerling is small, daily ration, feeding quantity is small, water temperature is low, organic matter oxygen consumption not
Many, dirt can be discharged with water, not be allowed to dry water blowdown typically.As water temperature is raised, fish body is grown up, the increase of fish food ration, excrement,
Residual bait increases, and organic matter oxygen consumption is high, inadequate by enlargement discharge and shoal of fish activity blowdown, need to be every 10 days or so, and discharge water blowdown
Once.
The feature and performance to the present invention are described in further detail with reference to embodiments.
Embodiment
The acclimation method and cultural method of a kind of sturgeon are present embodiments provided, including：
The sturgeon fry bought from Hubei academy of aquatic sciences, in 50m2Fishpond in deliver 2000 tails.
By table 1 is daily, the feeding of an every hundred kilograms of sturgeon body weight kilogram numbers are cultivated.
Domestication starts, and the feed of feeding is biological feedstuff；
After 3 days, the feed of feeding is biological feedstuff and mixed fodder, wherein, the amount of biological feedstuff feeding is reduced by 5 times/d
To 1 time/d, every two days are reduced 1 time, and mixed fodder increases to 5 times/d by 1 time/d, are increased by 1 time within every two days.
After feeding 15 days, mixed fodder is fed completely；After 20 days, the feed of feeding is mixed fodder and propagates feeding artificially
Material.Wherein, the amount of mixed fodder feeding is reduced to 1 time/d by 5 times/d, and every three days are reduced 1 time, propagate feed artificially by 1 time/d
Increase to 5 times/d, increase by 1 time within every three days.Wherein, the percentage by weight of pork liver is 25% in mixed fodder.
After 40 days, the feed of feeding is artificial breeding feed.
Before above-mentioned feed is fed, feed is smashed, 16 mesh sieves are crossed, is made after microparticle, it is 50% to dry to water content.
Wherein, appropriate feed enzyme preparation is added in the feed of feeding.
In breeding process, the breeding density in sturgeon pond is 3000 tails/m2Left and right, the water supply in every square metre of sturgeon pond
Measure as 0.6L/min.
The sturgeon feed of table 1 feeds table
Growing state and the economic benefit such as following table of the sturgeon cultivated as stated above：
The sturgeon growing state of table 2 and economic benefit
As shown in Table 2, it is easy by the acclimation method of sturgeon provided in an embodiment of the present invention and sturgeon that cultural method is cultivated
Raise and train, fast growth, weightening multiple is high, adaptive faculty and disease resistance are strong, and survival rate is high, average out to 87.5%.Feed conversion rate
Height, the nutritious of sturgeon, dressed fish are high, meat quality is high, delicious, remarkable in economical benefits.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Claims (10)
1. a kind of acclimation method of sturgeon, it is characterised in that including：
When starting to tame the sturgeon, biological feedstuff is fed；
After domestication 1~3 day, while the biological feedstuff and mixed fodder are fed, when the scale of feeding of the biological feedstuff is with domestication
Between passage equal proportion reduce, the scale of feeding of the mixed fodder with the domestication time the increase of passage equal proportion；
After taming 15~25 days, stop the feeding biological feedstuff, and start described with the passage equal proportion reduction of domestication time
The scale of feeding of mixed fodder, and start feeding and propagate feed artificially, the scale of feeding for propagating feed artificially is with the domestication time
Elapse equal proportion increase；
After domestication 35~45 days, stop the feeding mixed fodder.
2. the acclimation method of sturgeon according to claim 1, it is characterised in that the mixed fodder include eel feed,
At least one of soya-bean oil, pork liver, water flea dry powder, glycine betaine.
3. the acclimation method of sturgeon according to claim 2, it is characterised in that contain weight percent in the mixed fodder
Than the pork liver for 20~30%.
4. the acclimation method of sturgeon according to claim 1, it is characterised in that the biological feedstuff includes earthworm, described
Earthworm is formed by feeding special feed, and the special feed includes：Grain type feces of livestock and poultry by fermentation, by fermentation
Agricultural crop straw and the careless type feces of livestock and poultry of food by fermentation.
5. the acclimation method of sturgeon according to claim 1, it is characterised in that the biological feedstuff, the mixed fodder,
Microparticle is made in the feed of propagating artificially before feeding after smashing.
6. the acclimation method of sturgeon according to claim 5, it is characterised in that the screen cloth of 10~20 mesh is crossed after smashing, then
The microparticle is made.
7. the acclimation method of sturgeon according to claim 6, it is characterised in that water content in the microparticle for 40~
60%.
8. the acclimation method of sturgeon according to claim 1, it is characterised in that the biological feedstuff, the mixed fodder,
Described at least one of feed of propagating artificially includes at least one in Enrofloxacin HCL, sulfanilamide (SN), feed enzyme preparation, probiotic
Kind.
9. a kind of cultural method of sturgeon, it is characterised in that including：Using the sturgeon as described in any one of claim 1 to 8
Acclimation method is tamed to the sturgeon, is propagated feed artificially described in feeding after domestication and is propagated artificially.
10. the cultural method of sturgeon according to claim 9, it is characterised in that in breeding process, putting in a suitable place to breed for sturgeon pond is close
Spend for 1000~5000 tails/m2When, the water supply amount in every square metre of the sturgeon pond is 0.5L/min~0.7L/min.
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| CN110089458A (en) * | 2019-04-19 | 2019-08-06 | 湖州南浔惠民渔业专业合作社 | A kind of fry ofSinopera chuatsi acclimation method |
| CN110897055A (en) * | 2019-12-11 | 2020-03-24 | 镇江水中仙渔业发展有限公司 | Special particle feed for sturgeon larvae and juveniles and preparation method thereof |
| CN112868576A (en) * | 2021-04-15 | 2021-06-01 | 中国水产科学研究院下营增殖实验站 | Domestication method for artificially domesticating wild stone flounder |
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Application publication date: 20170919 |