CN105104273B - A kind of spot trout intermediate rearing method - Google Patents
A kind of spot trout intermediate rearing method Download PDFInfo
- Publication number
- CN105104273B CN105104273B CN201510606820.XA CN201510606820A CN105104273B CN 105104273 B CN105104273 B CN 105104273B CN 201510606820 A CN201510606820 A CN 201510606820A CN 105104273 B CN105104273 B CN 105104273B
- Authority
- CN
- China
- Prior art keywords
- pond
- intermediate rearing
- feed
- water
- fry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000384 rearing effect Effects 0.000 title claims abstract description 72
- 241000277331 Salmonidae Species 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 241000251468 Actinopterygii Species 0.000 claims abstract description 25
- 230000037396 body weight Effects 0.000 claims abstract description 22
- 201000010099 disease Diseases 0.000 claims abstract description 12
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 206010061218 Inflammation Diseases 0.000 claims abstract description 6
- 208000030852 Parasitic disease Diseases 0.000 claims abstract description 6
- 230000004054 inflammatory process Effects 0.000 claims abstract description 6
- 231100000241 scar Toxicity 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000006041 probiotic Substances 0.000 claims description 15
- 235000018291 probiotics Nutrition 0.000 claims description 15
- 241000168517 Haematococcus lacustris Species 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000002349 well water Substances 0.000 claims description 12
- 235000020681 well water Nutrition 0.000 claims description 12
- 238000009395 breeding Methods 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 11
- 238000005266 casting Methods 0.000 claims description 10
- 230000001488 breeding effect Effects 0.000 claims description 9
- 239000013535 sea water Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 5
- 241000186000 Bifidobacterium Species 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000013505 freshwater Substances 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 5
- 230000001965 increasing effect Effects 0.000 claims description 5
- 240000001046 Lactobacillus acidophilus Species 0.000 claims description 4
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 claims description 4
- 229940039695 lactobacillus acidophilus Drugs 0.000 claims description 4
- 239000013589 supplement Substances 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 235000010443 alginic acid Nutrition 0.000 claims description 2
- 229920000615 alginic acid Polymers 0.000 claims description 2
- 230000004083 survival effect Effects 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 2
- 235000019688 fish Nutrition 0.000 description 21
- 238000009360 aquaculture Methods 0.000 description 7
- 244000144974 aquaculture Species 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 241000277269 Oncorhynchus masou Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241000972773 Aulopiformes Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 230000007365 immunoregulation Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000019515 salmon Nutrition 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000277275 Oncorhynchus mykiss Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000269908 Platichthys flesus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000000215 hyperchromic effect Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
-
- 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)
- Feed For Specific Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides a kind of spot trout intermediate rearing method, comprise the following steps：1）Seed is put in a suitable place to breed in intermediate rearing pond, puts seed in a suitable place to breed and requires that body surface is vivid, smooth, the bodily form is complete, without scar, no inflammation and parasitic infection, puts seed mobility in a suitable place to breed strong；2）Feedstuff feeding adheres to the principle of " regularly, quantitative ", and the particle diameter of feed is advisable with agreeable to the taste；3）Intermediate rearing management is carried out, the salinity of cultivation water is gradually stepped up according to fry growth, cultivation is carried out disinfection with water, is aerated；4）Disease control is carried out, intermediate rearing is put in before seedling and cultivating process and periodically middle culture pond, instrument, articles for use are carried out disinfection, point pond, the when of falling pond action are quick, soft, it is to avoid fish body is injured；5）When fry total length reaches 16 ~ 17cm, more than body weight 50g, marine progress cage culture is transferred to.Intermediate rearing method through the present invention, significantly improves the growth rate and survival rate of spot trout seed, can obtain a large amount of high-quality, the spot trout seed of health, is that the cultivation of spot trout lays the foundation.
Description
Technical field
The invention belongs to fish culture technical field, and in particular to a kind of intermediate rearing method suitable for spot trout.
Background technology
Spot trout (Oncorhynchus mykiss) belongs to one kind of Salmons, is meticulous through 60 years by American scientist
The salmon new varieties of seed selection, possess many characteristics, and thermophilic proper salinity level is wide, is suitable for seawater and freshwater aquiculture；Food conversion
Rate is high, fast growth.Spot trout be particularly suitable for northern China cultivate, winter can in aquaculture net cage overwintering,
Northern (Partial Sea Area) cage culture can safe production in summer, substantially increase the utilization ratio of aquaculture net cage, be the northern area of China
Cage culture adds new efficient breed variety.Spot trout is also suitable for carrying out industrial aquaculture, the existing flounder flounder class work of China
Factory's breeding facility can come into operation without transformation, can greatly save cost of investment.
Marine organisms research institute of Shandong Province in 2010 introduces spot trout eyed eggs first at home, has carried out spot trout hair eye
Many research such as egg hatching, seed rearing, environment conditioning, disease prevention and control.System research spot trout seed rearing process
The problem of in terms of middle nutritional need, breeding condition, administrative skill, successfully breach spot trout rearing of fingerling difficulty, seedling
Cultivating survival rate is planted up to 95.2%；Carry out spot trout healthy aquaculture technical research using the seed of artificial incubation first, carry out
Research in terms of environment conditioning, healthy aquaculture management and disease Control Technology, high-efficiency feed development and feeding technology, and carry out
Batch production and marine cage culture demonstration, through cultivation 20 months, 40~42g of average weight, cultivation survival rate is up to 85%.Small dimension
Seed is only suitable for cultivating in fresh water, and after intermediate rearing, large size seedling seed can be opened up in brackish water or even seawater breeding
Wide cultivation face, it can be seen that the seed intermediate rearing carried out in workshop is particularly important.
So-called intermediate rearing, be by larvae cultivation into suitable stocking size seed process.Training in the middle of spot trout seedling
Educate, be the continuity process of seed rearing, be typically to continue with what is carried out in former pond.Due to the fry of seed rearing and intermediate rearing
Specification is of different sizes, different to the tolerance degree of salinity, and the difference in terms of Feed selection is, it is necessary to establish a set of perfect centre
Breeding method, improves the growth rate and survival rate of fry.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of spot trout intermediate rearing method, having systematically discussed spot
The selection of culture pond, fry are put in a suitable place to breed during trout intermediate rearing specification and density, the selection of feed and feeding technology and disease
Technical essential in terms of preventing and treating.
A kind of spot trout intermediate rearing method of the present invention, comprises the following steps：
1) seed is put in a suitable place to breed in intermediate rearing pond, puts seed in a suitable place to breed and requires that body surface is vivid, smooth, the bodily form is complete, without scar, nothing
Inflammation and parasitic infection, mobility are strong；
2) feedstuff feeding adheres to the principle of " regularly, quantitative ", and the particle diameter of feed is advisable with agreeable to the taste；Compound dimension is added in feed
Raw element and probiotics；Haematococcus pluvialis powder is added in feed；
3) intermediate rearing management is carried out, the salinity of cultivation water is gradually stepped up according to fry growth, cultivation is disappeared with water
Poison, aeration；Inhale bottom 1 time daily, every 7~10 days sink bottoms, cleaning pool wall, the dirt sticked together on the gentle stone of gas tube；Every 15
Its pond 1 time；
4) carry out disease control, intermediate rearing put in before seedling and cultivating process periodically to cultivated workshop, culture pond, instrument,
Articles for use, Gangway carry out disinfection, and point pond, the when of falling pond action are quick, soft, it is to avoid fish body is injured；
5) when fry total length reaches 16~17cm, more than body weight 50g, it is transferred to marine progress cage culture.
Further, the step 1) intermediate rearing pond is the gray circular or octagonal cement pit for scribbling biological paint, face
Product is 30~35m2, the deep 80~100cm in pond, bottom center draining, every 1~2m in pond21, gas distribution stone.
Further, the step 1) in fry stocking size be 7~8cm, 800~900 tails of breeding density/m3。
Further, the step 1) seawater or underground well water are used in intermediate rearing pond, it is desirable to and water quality is excellent, without harmful
Heavy metal ion, sulfide content is no more than 0.02mg/L, and total coliform count is less than 5000/L.
Further, the step 2) in feed day feeding volume be fish body weight 4%~6%, feed daily 4~6 times,
Gradually decreased later with growth and feed number of times；Every time when feeding, by the 60% of total feeding volume first in full pond casting one time, remain
Lower 40% carries out supplement casting again according to the feeding state of fish.
Further, the step 2) described in the addition of haematococcus pluvialis powder be the 1~3% of feed relative, with brown
Phycocolloid sticks to the haematococcus pluvialis powder on feed.
Further, the step 2) in when water temperature be higher than 21 DEG C when, feedstuff feeding amount press day feeding volume 1/5~1/2,
Feed 1 time daily or feed every other day 1 time.
Further, the step 2) in probiotics be bacillus, Lactobacillus acidophilus and Bifidobacterium mixture,
Mass ratio is 1~2:1~2:1~2.
Further, the step 3) in fry 7~8cm of total length when, with pure fresh water or with salinity be less than 15 missile silo
Water planting is educated, as fry 10~11cm of total length, during body weight 12g, is cultivated using the well water of salinity 20；As fry 13~14cm of total length,
During body weight 30g, cultivated using in the well water of salinity 25；As fry 16~17cm of total length, trained completely using seawater during body weight 50g
Educate.
Further, the step 3) it is aerated so that the dissolved oxygen of intermediate rearing pond water inlet is 5~7mg/L；Centre training
Dissolved oxygen is educated in pond in more than 6mg/L；It is uniform illumination, soft, not dazzling；Water temperature was 10~18 DEG C, using 24 hours running waters
Cultivate, day quantity of exchanged water be 300~500%, quantity of exchanged water is increased when water temperature is more than 21 DEG C to 600%, and take cooling measure.
Compared with prior art, advantages and positive effects of the present invention are：Intermediate rearing method through the present invention, is significantly carried
The high growth rate and survival rate of spot trout seed, can obtain a large amount of high-quality, the spot trout seed of health, be the cultivation of spot trout
Lay the foundation.Addition B B-complex and probiotics in feed, are conducive to improving intermediate rearing environment, improve exempting from for fish body simultaneously
Epidemic disease function；Haematococcus pluvialis powder is added in feed, the growth of spot trout can be promoted, the immunoregulation capability of fish body is improved, simultaneously
Spot trout can be made yellowish pink redder vivider, spot trout meat is improved.
Embodiment
Technical scheme is described in further detail with reference to embodiment.
The spot trout intermediate rearing method of the present invention, has systematically discussed the choosing of culture pond during spot trout intermediate rearing
Select, the technical essential in terms of the specification that fry is put in a suitable place to breed and density, the selection of feed and feeding technology and disease control, specific side
Method is as follows：
(1) intermediate rearing workshop and culture pond
Intermediate rearing workshop：Using glass steel tile shading, isothermal holding at the top of intermediate rearing workshop, and it is equipped with drainage, increasing
The facilities and equipments such as oxygen, temperature control, generator, intake-discharge pipe road.
Intermediate rearing pond：To scribble the gray circular or octagonal cement pit of biological paint, area is 30~35m2, pond deep 80
Every 1~2m in~100cm, bottom center draining, pond21, gas distribution stone.The biological paint can prevent cement pit from seeping water,
Easily cleaned when adhering to dirt on pool wall simultaneously.
Condition of water quality：It is required that water quality is limpid, meet national two grades of water standards of fishery.Cultivation seawater or underground well water water
Of fine quality good, without harmful heavy metal ions, sulfide content is no more than 0.02mg/L, and total coliform count is less than 5000/L.
(2) fry is put in a suitable place to breed
Put seed in a suitable place to breed and require that body surface is vivid, smooth, the bodily form is complete, no scar, no inflammation and parasitic infection, mobility
By force.7~8cm of stocking size, 800~900 tails of breeding density/m3。
During fry rearing, cultivation density is adjusted in time according to situations such as the growth of the exchange capacity of water and fry.
When water exchange capacity is less than below daily 3 ranges, density is suitably reduced；When exchange capacity is more than more than daily 5 ranges
When, increase density can be taken the circumstances into consideration.Relation between fry growth situation and cultivation density is as shown in table 1.
The seed size of table 1 and the relation for cultivating density
| Seed size | Cultivate density |
| 7~8cm | 800~900 tails/m3 |
| 9~10cm | 600~700 tails/m3 |
| 12~14cm | 300~400 tails/m3 |
| 15~16cm | 150~200 tails/m3 |
(3) feed and feed
1. feed is fed：Spot trout cultivation feed used uses salmon trout special compound feed, big according to fry
The feedstuff feeding of small selection appropriate size, the particle diameter of feed is advisable with agreeable to the taste, specific as shown in table 2.Day feeding volume is fish body weight
4%~6%, feed daily 4~6 times, gradually decreased later with growth and feed number of times, when fry grows to 40~50g,
Day feeding volume is the 3%~4% of fish body weight, is fed daily 3~4 times.Feedstuff feeding adheres to the principle of " regularly, quantitative ", every time
, can be by the 60% of total feeding volume first in full pond casting one time when feeding, remaining 40% is supplemented again according to the feeding state of fish
Casting.
The relation of the seed size of table 2 and feed particle diameter
| Seed size | Feed particle diameter |
| 7~8cm | 2mm |
| 9~10cm | 3mm |
| 12~14cm | 4.5mm |
| 15~16cm | 6mm |
B B-complex and probiotics can be added when feeding in feed, probiotics selects bacillus, acidophilus lactic acid bar
Bacterium and the mixture of Bifidobacterium, mass ratio are 1~2:1~2:1~2, preferably 1:1:1, bacterium solution is directly added into feed,
Wet granular is made, is dried in 40 DEG C half-dried, is then preserved in -20 DEG C of refrigerators in case feeding.In feed containing about probiotics 2.0 ×
109~4.0 × 109Individual/g dry mass, preferably 3.0 × 109Individual/g dry mass.
Spot trout is cold warm nature fish, and the resistant to elevated temperatures ability of fry is weaker, and individual is bigger, and heat-resisting ability is got over
It is weak.Therefore, when water temperature is higher than 21 DEG C, to feed 1 time daily by the 1/5~1/2 of day feeding volume or feed every other day 1 time.
2. oppress hyperchromic
Spot trout seedling can add haematococcus pluvialis powder during intermediate rearing in feed, and addition is feed weight
The 1~3% of amount is (i.e.：1~3kg haematococcus pluvialis powders are added per 100kg feeds), haematococcus pluvialis powder can be glued with algin
It is attached on mixed feed.Addition haematococcus pluvialis powder purpose is to make spot trout yellowish pink redder vivider, improves spot trout meat, also
The growth of spot trout can be promoted, the immunoregulation capability of fish body is improved.
(4) cultivating and managing
During fry 7~8cm of total length, it can be cultivated with pure fresh water, it is also possible to which the underground well water that salinity is less than 15 is cultivated, with fish
The growth of seedling, adaptability enhancing, can be gradually increased cultivation salinity water.As fry 10~11cm of total length, body weight 12g or so
When, it can be transitioned into the well water of salinity 20 and cultivate；As fry 13~14cm of total length, body weight 30g or so, salinity 25 can be transitioned into
Well water in cultivate；As fry 16~17cm of total length, it can be cultivated completely with seawater when body weight grows to 50g.
, can be different according to source quality for cultivation water, carry out necessary sterilization (ultraviolet or ozone), aeration etc. and arrange
Reenter pond after applying processing and use, especially underground well water oxygen content is low (minimum only 0.2~0.5mg/L), and must fully be aerated makes
The dissolved oxygen of water inlet reaches that 5~7mg/L enters pond and used.
Every 1~2m in intermediate rearing pond21, gas distribution stone, continuous charge, or pure oxygen (liquid oxygen) is filled, make in intermediate rearing pond
Dissolved oxygen levels maintain more than 6mg/L.It is uniform illumination, soft, not dazzling；Water temperature was controlled at 10~18 DEG C, using 24 hours
Running water cultivate, day quantity of exchanged water be 300~500%, quantity of exchanged water is increased when water temperature is more than 21 DEG C to 600%, and take workshop
Top adds the cooling measures such as shading screen.Should adhere to inhaling bottom daily 1 time, every 7~10 days sink bottoms, cleaning pool wall, gas tube and
The dirt sticked together on gas stone.Pond 1 time in every 15 days, when fry individual difference is obvious, it is necessary to be sorted, by close specification
Fry is put into a culture pond.With the growth of fry, fish was sampled in every 15 days and weighed, to decide whether a point pond
Cultivate to reduce density.
(5) disease control
Spot trout seed rearing not yet finds the generation of major disease in current breeding process, mainly takes that " prevention is
The policy of master, preventing and treating combination ".
Intermediate rearing puts before seedling, and middle cultivated workshop, culture pond, apparatus, articles for use are carried out and disinfected.Intermediate rearing mistake
The disinfection of progress in every 7 days instrument, articles for use, a Gangway etc. in journey, point pond, the when of falling pond action are quick, soft, it is to avoid
Fish body is injured.B B-complex and probiotics are added in feed, fish body matter can be strengthened and improve water quality, plays good anti-
Disease effect.
Fry is through intermediate rearing, when total length reaches 16~17cm, more than body weight 50g, you can be transferred to marine progress net cage
Cultivation.
This intermediate rearing method can improve spot trout weed survival rate 8~10% compared with common intermediate rearing method, raw
Long rate improves 3~5%.This breeding method fry growth is fast, can shorten the culture-cycle, reduces aquaculture cost.This method is cultivated
Spot trout seedling fast growth of the spot trout seedling than commonsense method, yellowish pink bright-coloured, 80 yuan/Kg of market sale price, energy
Produce huge economic benefit and social benefit.The inventive method is easy to operate, easy to spread.
Embodiment 1
2 months 2015, spot trout intermediate rearing has been carried out in marine organisms research institute of Shandong Province Pilot Base, fry is tested
30000 tails, seed body surface is vivid, smooth, and the bodily form is complete, and no scar, no inflammation and parasitic infection, mobility are strong.When putting seedling
Seed average length 7.6cm, average weight 5.86g, breeding density 800-850 tail/m3.Intermediate rearing is using following operation：
(1) seed is put in a suitable place to breed in intermediate rearing pond, and the intermediate rearing pond is the gray circular cement pit for scribbling biological paint, face
Product is 30m2, pond depth 100cm, bottom center draining, per 1m in pond21, gas distribution stone.
(2) salmon trout special compound feed is fed, the particle diameter of feed is advisable with agreeable to the taste.Day feeding volume is the 4% of fish body weight,
Feed 6 times daily, gradually decreased later with growth and feed number of times, when fry grows to 40~50g, day feeding volume is fish body
The 3% of weight, feeds 4 times daily.Feedstuff feeding adheres to the principle of " regularly, quantitative ", can be by total feeding volume when feeding every time
60% first in full pond casting one time, and remaining 40% carries out supplement casting again according to the feeding state of fish.When water temperature is higher than 21 DEG C,
To be fed daily 1 time by the 1/5 of day feeding volume.
Add B B-complex and probiotics when feeding in feed, probiotics from bacillus+Lactobacillus acidophilus+
Bifidobacterium, mass ratio is 1:1:1, containing about probiotics 3.0 × 10 in feed9Individual/g dry mass.It can also be added in feed
Haematococcus pluvialis powder, addition is the 1% of feed relative.
(3) cultivating and managing is carried out, disinfection by ultraviolet light is carried out with water to cultivation, aeration makes the dissolved oxygen of water inlet reach 5mg/
L enters pond and used.Dissolved oxygen levels maintain more than 6mg/L in intermediate rearing pond；It is uniform illumination, soft, not dazzling.Water temperature is controlled
At 10-16 DEG C, cultivated using 24 hours running waters, day quantity of exchanged water be 300%, to increase quantity of exchanged water when water temperature is more than 21 DEG C and arrive
600%, adhere to inhaling bottom daily 1 time, every 7 days sink bottoms, the dirt sticked together on cleaning pool wall, the gentle stone of gas tube.Every 15 days
Pond 1 time, is sorted, and the fry of close specification is put into a culture pond to reduce density.
(4) disease control is carried out, the policy of " putting prevention first and combining prevention with control " is taken, intermediate rearing is put before seedling and cultivated
Middle cultivated workshop, culture pond, apparatus, articles for use are carried out and disinfected by Cheng Zhong.Fry is through intermediate rearing, when total length reaches 16
When~17cm, more than body weight 50g, you can be transferred to marine progress cage culture.
After the inventive method, by the intermediate rearing phase of 5 months, seed average length reached 16.4cm, average body
Weight 52.3g, intermediate rearing survival rate 92%, day growth rate is 0.31g/d, achieves good effect.
Embodiment 2
In March, 2015, in Qingdao, Lu Hai Fishery technicals Development Co., Ltd has carried out spot trout intermediate rearing, tests fry 50,000
Tail, seed body surface is vivid, smooth, and the bodily form is complete, and no scar, no inflammation and parasitic infection, mobility are strong.Seed when putting seedling
Average length 8.2cm, average weight 6.28g, breeding density 850-900 tail/m3.Intermediate rearing is using following operation：
(1) seed is put in a suitable place to breed in intermediate rearing pond, and the intermediate rearing pond is the grey octagonal cement pit for scribbling biological paint,
Area is 35m2, pond depth 80cm, bottom center draining, per 2m in pond21, gas distribution stone.
(2) salmon trout special compound feed is fed, the particle diameter of feed is advisable with agreeable to the taste.Day feeding volume is the 6% of fish body weight,
Feed 4 times daily, gradually decreased later with growth and feed number of times, when fry grows to 40~50g, day feeding volume is fish body
The 4% of weight, feeds 3 times daily.Feedstuff feeding adheres to the principle of " regularly, quantitative ", can be by total feeding volume when feeding every time
60% first in full pond casting one time, and remaining 40% carries out supplement casting again according to the feeding state of fish.When water temperature is higher than 21 DEG C,
To be fed every other day 1 time by the 1/2 of day feeding volume.
Add B B-complex and probiotics when feeding in feed, probiotics from bacillus+Lactobacillus acidophilus+
Bifidobacterium, mass ratio is 1:1:1, containing about probiotics 3.0 × 10 in feed9Individual/g dry mass.It can also be added in feed
Haematococcus pluvialis powder, addition is the 3% of feed relative.
(3) cultivating and managing is carried out, ozonization is carried out with water to cultivation, aeration makes the dissolved oxygen of water inlet reach 7mg/L
Enter pond to use.Dissolved oxygen levels maintain more than 6mg/L in intermediate rearing pond；It is uniform illumination, soft, not dazzling.Water temperature is controlled
At 13-18 DEG C, cultivated using 24 hours running waters, day quantity of exchanged water be 500%, to increase quantity of exchanged water when water temperature is more than 21 DEG C and arrive
600%, adhere to inhaling bottom daily 1 time, every 10 days sink bottoms, the dirt sticked together on cleaning pool wall, the gentle stone of gas tube.Every 15 days
Pond 1 time, is sorted, and the fry of close specification is put into a culture pond to reduce density.
(4) disease control is carried out, the policy of " putting prevention first and combining prevention with control " is taken, intermediate rearing is put before seedling and cultivated
Middle cultivated workshop, culture pond, apparatus, articles for use are carried out and disinfected by Cheng Zhong.Fry is through intermediate rearing, when total length reaches 16
When~17cm, more than body weight 50g, you can be transferred to marine progress cage culture.
After the inventive method, by the intermediate rearing phase of 5 months, seed average length reached 17.3cm, average body
Weight 56.6g, intermediate rearing survival rate 95%, day growth rate is 0.34g/d, achieves good effect.
Above example is only several in several preferred embodiment of the invention, it is noted that the invention is not restricted to
Above-described embodiment；For the person of ordinary skill of the art, still can be to the technical scheme described in previous embodiment
Modify, or equivalent substitution is carried out to which part technical characteristic；And these modifications or substitutions, do not make relevant art side
The essence of case departs from the spirit and scope of claimed technical solution of the invention.
Claims (4)
1. a kind of spot trout intermediate rearing method, it is characterised in that：Comprise the following steps：
1）Seed is put in a suitable place to breed in intermediate rearing pond, puts seed in a suitable place to breed and requires that body surface is vivid, smooth, the bodily form is complete, without scar, no inflammation
And parasitic infection, mobility is strong；
2）Feedstuff feeding adheres to the principle of " regularly, quantitative ", and the particle diameter of feed is advisable with agreeable to the taste, and B B-complex is added in feed
And probiotics, haematococcus pluvialis powder is added in feed, and probiotics is the mixing of bacillus, Lactobacillus acidophilus and Bifidobacterium
Thing, mass ratio is 1-2:1-2:1-2, the addition of the haematococcus pluvialis powder is the 1 ~ 3% of feed relative, with algin by institute
Haematococcus pluvialis powder is stated to stick on feed；The day feeding volume of feed is the 4 ~ 6% of fish body weight, and 4 ~ 6 times, Yi Housui are fed daily
Growth and gradually decrease and feed number of times；Every time when feeding, by the 60% of total feeding volume first in full pond casting one time, it is left 40%
Supplement casting is carried out again according to the feeding state of fish；When water temperature is higher than 21 DEG C, feedstuff feeding amount presses the 1/5 ~ 1/2 of day feeding volume,
Feed 1 time daily or feed every other day 1 time；
3）Intermediate rearing management is carried out, the salinity of cultivation water is gradually stepped up according to fry growth, cultivation is carried out disinfection with water, exposed
Gas；Inhale bottom 1 time daily, every 7 ~ 10 days sink bottoms, cleaning pool wall, the dirt sticked together on the gentle stone of gas tube；Every 15 days fall pond 1
It is secondary；During fry 7 ~ 8cm of total length, the underground well water for being less than 15 with pure fresh water or with salinity is cultivated, as fry 10 ~ 11cm of total length, body
During weight 12g, cultivated using the well water of salinity 20；As fry 13 ~ 14cm of total length, during body weight 30g, trained using the well water of salinity 25
Educate；As fry 16 ~ 17cm of total length, cultivated completely using seawater during body weight 50g；Aeration causes the dissolving of intermediate rearing pond water inlet
Oxygen is 5 ~ 7mg/L；Dissolved oxygen is in 6 more than mg/L in intermediate rearing pond；It is uniform illumination, soft, not dazzling；Water temperature is 10 ~ 18
DEG C, cultivated using 24 hours running waters, day quantity of exchanged water be 300 ~ 500%, quantity of exchanged water is increased when water temperature is more than 21 DEG C to 600%,
And take cooling measure；
4）Carry out disease control, intermediate rearing put in before seedling and cultivating process periodically to cultivated workshop, culture pond, instrument, articles for use,
Gangway carries out disinfection, and point pond, the when of falling pond action are quick, soft, it is to avoid fish body is injured；
5）When fry total length reaches 16 ~ 17cm, more than body weight 50g, marine progress cage culture is transferred to.
2. a kind of spot trout intermediate rearing method according to claim 1, it is characterised in that the step 1）In the middle of training
It is the gray circular or octagonal cement pit for scribbling biological paint to educate pond, and area is 30 ~ 35m2, the deep 80 ~ 100cm in pond, bottom center
Every 1 ~ 2m in draining, pond21, gas distribution stone.
3. a kind of spot trout intermediate rearing method according to claim 1 or 2, it is characterised in that the step 1）Middle fish
Seedling stocking size is 7 ~ 8cm, 800 ~ 900 tails of breeding density/m3。
4. a kind of spot trout intermediate rearing method according to claim 3, it is characterised in that the step 1）Intermediate rearing
Seawater or underground well water are used in pond, it is desirable to which water quality is excellent, without harmful heavy metal ions, sulfide content is no more than 0.02mg/
L, total coliform count is less than 5000/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606820.XA CN105104273B (en) | 2015-09-22 | 2015-09-22 | A kind of spot trout intermediate rearing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510606820.XA CN105104273B (en) | 2015-09-22 | 2015-09-22 | A kind of spot trout intermediate rearing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105104273A CN105104273A (en) | 2015-12-02 |
| CN105104273B true CN105104273B (en) | 2017-08-25 |
Family
ID=54652619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510606820.XA Expired - Fee Related CN105104273B (en) | 2015-09-22 | 2015-09-22 | A kind of spot trout intermediate rearing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105104273B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105454733A (en) * | 2015-12-31 | 2016-04-06 | 中国科学院海洋研究所 | Rainbow trout nutrition enhancer and application thereof |
| CN106577369A (en) * | 2016-03-02 | 2017-04-26 | 中国海洋大学 | Method for breeding large-size trout in offshore manner in sea area in temperate zone |
| CN113303256A (en) * | 2021-07-06 | 2021-08-27 | 山东康科润海洋科技有限公司 | Industrial silver salmon fry efficient cultivation method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270987A (en) * | 2013-06-04 | 2013-09-04 | 山东省海水养殖研究所 | Cultivating method for offspring seeds of spotted trout |
| CN104430088A (en) * | 2014-11-27 | 2015-03-25 | 山东省海洋生物研究院 | Land and sea combination culturing method for speckled trout |
| CN104431638A (en) * | 2014-12-31 | 2015-03-25 | 通威股份有限公司 | Steelhead adult fish feed |
-
2015
- 2015-09-22 CN CN201510606820.XA patent/CN105104273B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105104273A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106259080B (en) | It is a kind of that water cultural method is changed based on the Penaeus Vannmei high zero density for nitrifying cenobium regulation water quality | |
| CN105248323B (en) | Perch pond level Four cultural method | |
| CN108913632A (en) | A kind of compound microorganism ferments liquid used for aquiculture and its preparation method and application | |
| CN106754551A (en) | A kind of bacterium amount lactobacillus preparation high and preparation method and application | |
| CN101376605B (en) | Preparation of activated fertilizer by viable bacteria fermentation | |
| CN101836616A (en) | Pollution-free healthy culture method of grouper in pond | |
| CN107494340A (en) | A kind of ecological fish culture method | |
| CN105104273B (en) | A kind of spot trout intermediate rearing method | |
| CN110451657A (en) | A kind of aquaculture water quality improving agent | |
| CN109463329A (en) | A kind of cray cultural method | |
| CN104798705A (en) | Giant freshwater prawn breeding method | |
| CN110663595B (en) | Tilapia breeding method | |
| CN105994047A (en) | Ecological selenium-enriched soft-shelled turtle aquaculture technique | |
| CN102217566A (en) | Pond polyculture method for pseudosciaena crocea and portunus trituberculatus | |
| CN107466921A (en) | Improve the regulation and control method of Songpu mirror carp breeding efficiency | |
| CN101095405A (en) | Method of cultivating red tilapia | |
| CN102742523A (en) | Indoor cultivation method of litopenaeus vannamei parent | |
| CN104798700A (en) | Fry pond management method | |
| CN104396803A (en) | Crisped grass carp fast culturing method | |
| CN103392654B (en) | Streptococcicosis prevention and control method for tilapia | |
| CN110250047A (en) | A kind of method of industrial aquaculture threadfin | |
| CN105052798A (en) | Method for cultivating giant salamander in freshwater lake region | |
| CN107439426A (en) | A kind of cultural method of loach | |
| CN111202014B (en) | Efficient goldfish breeding method | |
| CN106635813A (en) | Water fertilizing essence for cultivating green algae in aquaculture pond |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |