CN105994175B - A kind of leech and loach ecology stereoscopic cultivation method - Google Patents
A kind of leech and loach ecology stereoscopic cultivation method Download PDFInfo
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- CN105994175B CN105994175B CN201610413073.2A CN201610413073A CN105994175B CN 105994175 B CN105994175 B CN 105994175B CN 201610413073 A CN201610413073 A CN 201610413073A CN 105994175 B CN105994175 B CN 105994175B
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- 241000545744 Hirudinea Species 0.000 title claims abstract description 72
- 241000252185 Cobitidae Species 0.000 title claims abstract description 52
- 238000012364 cultivation method Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 241000209094 Oryza Species 0.000 claims abstract description 19
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 19
- 235000009566 rice Nutrition 0.000 claims abstract description 19
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 27
- 238000005273 aeration Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 235000013305 food Nutrition 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- 238000005276 aerator Methods 0.000 description 3
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 102000007625 Hirudins Human genes 0.000 description 2
- 108010007267 Hirudins Proteins 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000023555 blood coagulation Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WQPDUTSPKFMPDP-OUMQNGNKSA-N hirudin Chemical compound C([C@@H](C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC(OS(O)(=O)=O)=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(O)=O)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC=1NC=NC=1)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CCCCN)NC(=O)[C@H]1N(CCC1)C(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(O)=O)NC(=O)CNC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@H]1NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(O)=O)NC(=O)CNC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H]2CSSC[C@@H](C(=O)N[C@@H](CCC(O)=O)C(=O)NCC(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@H](C(=O)N[C@H](C(NCC(=O)N[C@@H](CCC(N)=O)C(=O)NCC(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N2)=O)CSSC1)C(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H]1NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@@H](NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CC=2C=CC(O)=CC=2)NC(=O)[C@@H](NC(=O)[C@@H](N)C(C)C)C(C)C)[C@@H](C)O)CSSC1)C(C)C)[C@@H](C)O)[C@@H](C)O)C1=CC=CC=C1 WQPDUTSPKFMPDP-OUMQNGNKSA-N 0.000 description 2
- 229940006607 hirudin Drugs 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 206010001928 Amenorrhoea Diseases 0.000 description 1
- 241000243818 Annelida Species 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 240000009108 Chlorella vulgaris Species 0.000 description 1
- 235000007089 Chlorella vulgaris Nutrition 0.000 description 1
- 208000004232 Enteritis Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 241000237678 Hirudinidae Species 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 241000361919 Metaphire sieboldi Species 0.000 description 1
- 241001140642 Spodiopogon Species 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 235000008085 high protein diet Nutrition 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008736 traumatic injury Effects 0.000 description 1
- 239000002699 waste material Substances 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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- 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
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- Cultivation Of Plants (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A kind of leech and loach ecology stereoscopic cultivation method, are that the center in pond is provided with sewage ditch, the both ends in pond are respectively arranged with water inlet pipe, drain valve, and the upper end in pond is provided with sunshade net；Within in hirudiniculture, pond is 100 centimetres deep, 40-100 centimetres of water level during cultivation；Screw is launched after rich water first, cultivates the foundation bait of leech, screw stocking rate is 0.5-1.5 kgs/m2；Then 0.02-0.1 grams of leech seed 70-100 tail/rice is launched2The water surface；Finally launch loach water flower 50-100 tail/rice2Or launch 2-3 centimetres of loach little Wu son seed 5-10 tail/rice2.The configuration of the present invention is simple, expense is low, reduces labour's intensity, and scientific cultural method makes leech survival rate reach 90% or more, and 75% or more loach survival rate substantially increases economic benefit.
Description
Technical field
The present invention relates to leech healthy aquaculture fields, particularly with regard to a kind of leech and loach ecology three-dimensional culture side
Method.
Background technique
Leech, popular name leech belong to Annelida, Hirudinea, Gnathobdellida, Hirudinidae animal.It gives birth in inland fresh water areas
Long breeding, is the traditional special medicinal aquatic animals in China, and leech contains hirudin, can delay and hinder blood clotting, thus
There is blood coagulation resisting function.The hirudin extracted in leech is non-for expansion blood vessel, reduction blood viscosity, increase blood circulation effect
Chang Xianzhu is developed drugs and the various health care products, makeup such as treatment apoplexy, hypertension, the clear stasis of blood, amenorrhoea, traumatic injury
Product.
Discovery leech is easy to suffer from the diseases such as enteritis disease, hemorrhage, mummification during artificial breeding, main cause it
First is that high protein diet fed such as egg, screw etc. is not searched for food in time and ruining leads to water quality deterioration, and pathogen is largely grown
It gives birth to and catches.Tu Tang cultivation, net cage intensive culture survival rate only have 10%-40%, this becomes most scabrous in hirudiniculture and asks
One of topic.There is researcher using the methods of recirculated water, plantation water plant in order to solve this problem, there is certain effect, but it is dirty
Dye substance is not removed directly, it is also necessary to be decomposed by the self-purification of water.Therefore lack in the current hirudiniculture ecosystem
The link that leech residual bait can be removed.The present invention introduces the animal that loach is removed as residual bait, can effectively remove pollution sources, can be big
It is big to improve hirudiniculture survival rate and success rate.
Loach belongs to Cobitidae.Body is small, elongated, and only three, four cun.For small-sized demersal fishes.Live in the static of mud bottom
Or in slow flow water bodies, adaptability is stronger, can live containing in humus environment very abundant.When water anoxic, intestines can be carried out and exhaled
It inhales, and after water body is dry, and can pierce in mud and hide.Loach likes inhabiting the bottom of hydrostatic, often haunts lake, pond
The mud surface layer of the pool, irrigation canals and ditches and paddy field bottom rich in canebreak, it is strong to environment-adapting ability.10~30 DEG C of water temperature of life, it is most suitable
Water temperature is 25~27 DEG C.When water temperature is increased to 30 DEG C, loach slips into mud and aestivates.When water temperature in winter drops to 5 DEG C or less,
It is overwintering to pierce the depths 20~30cm in mud.Since the ability that loach restrains oneself low dissolved oxygen is significantly larger than general fish, often dispersion life
It is living, do not form group.Loach water flower (about 0.5 centimetre of rigid membrane) is food, 2-3 with suspension organic matter in planktonic organism and water
The loach crow son of centimeter length starts to turn food, into water bottom, the benthons such as pond bottom of ingesting organic matter and water earthworm.This
The young leech seed that do not ingest of the loach crow of invention experiment discovery loach water flower and 2-3 centimeter length, but 5 centimetres or more of loach can be taken the photograph
Eat a part of leech seed.When leech grows into 1 gram or more, adult loach would not ingest leech.China Patent No.
CN201410626236.6 leech ecological culturex, there is no this clear fundamental issue, which is not applied for water
The leech seed phase.Adult loach is that bottom is dwelt the omnivorous animal of habit, and can ingest screw meat, slough.Loach fry is put in a suitable place to breed in leech
In cultivation culture water body, leech can be cleared up quickly and eats surplus bait, these are easy to ruin the wastes such as the residual bait of water quality are converted into
Ammonia nitrogen is discharged into water, then the work completion that will easily can be difficult operation originally by changing the methods of water or training algae, is supported for leech
It grows and a good water environment is provided.
Summary of the invention
Present invention aim to provide a kind of leech and loach ecology stereoscopic cultivation method, it can overcome the prior art
Water quality deterioration in existing hirudiniculture, the problem of leading to leech mortality.The object of the present invention is achieved like this, a kind of
Leech and loach ecology stereoscopic cultivation method are that the center in pond is provided with sewage ditch, the both ends in pond be respectively arranged with into
Water pipe, drain valve are provided with sunshade net in the upper end in pond；Within in hirudiniculture, pond is 100 centimetres deep, during cultivation
40-100 centimetres of water level；Screw is launched after rich water first, cultivates the foundation bait of leech, screw stocking rate is 0.5-1.5 thousand
Grams m2；Then 0.02-0.1 grams of leech seed 70-100 tail/rice is launched2The water surface；Finally launch loach water flower 50-100 tail/
Rice2Or launch 2-3 centimetres of loach little Wu son seed 5-10 tail/rice2。
The pond, which is selected as in common Tu Tang or cement pit or the common native pool, is arranged net cage, one such；Pond
Surface area size, shape it is unlimited, it is desirable that water inlet, draining are convenient, and water quality meets fishery water standard.
The sunshade net is set as every 10 meters a length of one section, is respectively arranged with 20 millis at the both ends of sunshade net length direction
Rice thickness, 50 mm wides, 10.10 meters of long plastic plates, and pulley, nylon rope are provided in the plastic plate at both ends, utilize pulley
Principle couples nylon rope with the pulley above motor.
Slope is set as on the upper end width direction of the cement pit；
The surrounding of the upper end of the cement pit is provided with the semi arch rubber tube that diameter is 25 cm, the semi arch
Open Side Down for rubber tube, and surrounding of the one end of length direction along the upper end of cement pit is inserted into, and the other end is hanging, to prevent leech
Escape.
The sewage ditch is the ladder-type trough of upper big, lower small, and the ladder-type trough has certain gradient, and the gradient is
Discharge outlet is low, water inlet is high.
One aeration stone of every 2 meters of suspensions in the cement pit, with air blower blowing aeration.
Described cement pit one end is provided with water inlet, and the other end is provided with the draining of 80 mesh net of inner band at sewage ditch
Valve.
The slope that the present invention is set up using cement pit upper end width side, smoothly folding and unfolding sunshade net, greatly reduces
The labor intensity of operative employee；Surrounding in the upper end of cement pit is provided with the semi arch rubber tube that diameter is 25cm, by semi arch
Open Side Down for rubber tube, and surrounding of the one end of length direction along the upper end of cement pit is inserted into, and the other end is hanging, and structure is simple, takes
With low, to preferably prevent leech from escaping.The sewage ditch of setting is the ladder-type trough of upper big, lower small, and ladder-type trough is set as draining
The gradient that mouth is low, water inlet is high, is conducive to drain the residual bait for being easy to ruin water quality.
The foundation bait of leech is cultivated, screw stocking rate is 0.5-1.5 kgs/m2；Then 0.02-0.1 grams of water is launched
Leech seed 70-100 tail/rice2The water surface；Finally launch loach water flower 50-100 tail/rice2Or launch 2-3 centimetres of loach little Wu son's seedling
Kind 5-10 tail/rice2.One aeration stone of every 2 meters of suspensions in cement pit, with air blower blowing aeration.Daily night opens air blast
Aerator 3 hours, periodically change and discharge water, scientific cultural method makes leech survival rate reach 90% or more, loach survival rate 75% with
On.
Detailed description of the invention:
Fig. 1 is 3 structural schematic diagram of the embodiment of the present invention；
1. cement pit, 2. slopes, 3. plastic plates, 4. sunshade nets, 5. water inlet pipes, 6. pulleys, 7. motors, 8. half
Circular arc rubber tube, 9. sewage ditch, 10. aeration stones, 11. drain valves, 12. air blowers.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings；
Implement 1. ordinary cement water leech seed of example and loach ecology three-dimensional culture (time is 10 days)
Light water mud sump is rectangle 10, long 1.8 meters × 1.5 meters 4 meters wide × high, south-north direction, light water mud sump
One end be provided with water inlet pipe, other end bottom is provided with drain valve.It is provided with 80 mesh nets at drain valve, prevents leech from escaping.
The bottom of light water mud sump is provided with nanometer oxygen increasing tube.30 centimetres of depths of water inlet on May 20, are aerated 72 hours.May 23 launched
400 grams ms of 0.04 gram of weight or so of primary screw2, 2.8 kilograms of every pond, then launch 0.02 gram of leech seed hatching/
Tail, 20,000/rice of density2；Last every mouthful of net cage launches 500 tail of loach water flower, and 10 mouthfuls of net cages launch 5000 tails altogether, and average 69 tails/
Rice2.It changes a water within every 2 days, is intake when water level being down to 4 centimetres or so when changing water to original height.4th day every pond supplement
600 grams ms of the screw of 0.06 gram or so size2, 900 grams ms of screw of 0.1 gram or so size of the 8th day supplement2, 10 are cultivated in total
It, 40 leech weighings were randomly selected every 1 day and are averaged, and record feeding volume.Leech seedling growing state is shown in Table 1. cultures
Period water quality does not occur deterioration, stench phenomenon, and water quality indicator is normal, and leech seed does not occur massive mortality.It emerges within 10th day
0.1 gram/fish of statistical weight average out to, survival rate reaches 93.5%, puts the big pool into and cultivate at leech.The loach of 2-3 centimetres of harvest
3750 tail of seedling, loach survival rate 75%.
Leech seedling growing state under 1 cement pit breeding condition of table
| Cultivated days/d | Leech weight (gram/item) | Feeding volume (grams m2 ) | Screw specification (gram /) | Loach yield/tail | |||
| 0 | 0.02 | 800 | 0.04 | ||||
| 2 | 0.03 | ||||||
| 4 | 0.05 | 600 | 0.06 | ||||
| 6 | 0.6 | ||||||
| 8 | 0.8 | 900 | 0.1 | ||||
| 10 | 0.10 | 3750 |
Implement the native pool hirudiniculture of example 2. and loach ecology three-dimensional culture (time is 100-120 days)
About 3000 meters of product of common soil pool surface2, south-north direction, the full pool plants 210 plants of arrowleaf spodiopogon herb.Common one end Tu Tang is provided with
Water inlet pipe, the other end are provided with drainpipe.Micropore aeration pipe is placed in the common soil pool, is inflated with Roots blower.In April, 2015
The 100 centimetres of depths of water inlet on the 20th are aerated 2 days.It April 23 put into biological rich water element and chlorella vulgaris, rich water trains algae.May 2 threw
Put 5 tons of screw.Morning June 5 launches 200,000 tail of leech seed, breeding density about 40,000/mu.June 10, dispensing 2-3 loach was black
Young 30,000 tails.5 tons of screw of dispensing on July 10.Daily night opens aerator 4 hours (12:00-4:00), randomly selects every 20 days
40 leech weighings are averaged.September harvesting leech on the 20th, collects 2573 kilograms of leech altogether, average 15 grams/fish, leech at
Motility rate reaches 85.7%.Water quality does not occur deterioration, stench phenomenon during leech growing state is shown in Table 2. cultures, and water quality indicator is just
Often, leech healthy growth.341.2 kilograms of loach of harvesting, survival rate 75.8%
The native water leech of table 2 and loach ecology three-dimensional culture leech growing state
| Date | Average weight/gram/item | Leech yield/kilogram | Leech survival rate/% | Loach yield/kilogram | Loach survival rate/% |
| June 5 | 0.02 | - | - | ||
| June 25 | 0.4 | - | - | ||
| July 15 | 2 | - | - | ||
| August 5 days | 5 | - | - | ||
| August 25 days | 8 | - | - | ||
| September 20 days | 15 | 2573 | 85.7 | 341.2 | 75.8 |
Implement 3. cement pit leech of example and loach ecology three-dimensional culture (120-140 days)
Cement pit is rectangle, south-north direction, having a size of 50 meters long × 2.4 meters wide × deep 0.5 meter (lower end), cement pit
Centre is provided with deep 40 centimetres of the sewage ditch of one wide 40 cm x, and cement pit upper end is provided with sunshade net.Totally 12 groups of cement pits.
Cement pit one end is provided with water inlet pipe, and the other end of sewage ditch is provided with drain valve.The inner face of the water discharging valve is set
It is equipped with 80 mesh nets.One aeration stone of every 2 meters of suspensions in cement pit, with air blower blowing aeration.On May 20th, 2015 intakes 30 lis
Meter Shen, daily night open blast aerator 3 hours.May 26 launched 100 grams ms of screw broken into pieces2, then launch and hatch
Leech seed, 80 tails of density/rice2；Finally launch 2-3 centimetres of 6 tails of loach little Wu son seed/rice2, 720 tails are launched in every pond.Often
It changes a water, when water level being down to 2 centimetres from bottom surface or so when changing water, opens water inlet pipe and adds water to original depth.Cultivate seedling
The kind nurturing period, i.e., 20 days preceding, every pond supplements 100 grams ms of screw meat broken into pieces daily2, stop within the 5th day launching the screw broken into pieces,
200 grams ms of screw for launching 0.06 gram or so size2, 300 grams ms of screw of 0.1 gram or so the size of dispensing in the 8th day2, the 12nd day
300 grams ms of screw for launching 0.1 gram or so size2, cultivate 16 days in total.Fed after 20 days 500 grams of 0.5 gram or so primary screw/
Rice2, backsight food situation benefit feeds primary, culture 30 days within 4-5 days.Gradeless and uniformly-priced goods screw, 5-7 days backsight food are fed after July 16
Situation benefit is fed once, and 500 grams ms every time2, 50 leech weighings were randomly selected every 10 days and are averaged, and were recorded and fed
Amount.Water quality does not occur deterioration, stench phenomenon during leech seedling growing state is shown in Table 3. cultures, and water quality indicator is normal, and leech does not go out
Existing massive mortality.October 15, whole harvesting, captured 4891 kilograms of leech finished product, survival rate reaches 91.5% altogether.Capture loach
107 kilograms, survival rate about 83%.
Leech seedling growing state under 3 cement pit breeding condition of table
| Date | Average weight/gram/item | Leech yield/kilogram | Leech survival rate/% | Loach yield/kilogram | Loach survival rate/% |
| May 26 | 0.02 | - | - | - | - |
| June 6 | 0.1 | - | - | - | - |
| June 16 | 0.3 | - | - | - | - |
| June 26 | 0.5 | - | - | - | - |
| July 6 | 1 | - | - | - | - |
| July 16 | 2 | - | - | - | - |
| July 26 | 5 | - | - | - | - |
| August 6 days | 7 | - | - | - | - |
| August 16 days | 10 | - | - | - | - |
| August 26 days | 12 | - | - | - | - |
| September 6 days | 15 | - | - | - | - |
| September 16 days | 17 | - | - | - | - |
| September 26 days | 20 | - | - | - | - |
| October 6 | 22 | - | - | - | - |
| October 15 | 23 | 4891 | 91.5 | 107 | 83 |
Claims (2)
1. a kind of leech and loach ecology stereoscopic cultivation method, it is characterised in that: the center in pond is provided with sewage ditch, pond
Both ends be respectively arranged with water inlet pipe, drain valve, the upper end in pond is provided with sunshade net；Hirudiniculture pond is 100 lis deep
Rice, 40-100 centimetres of water level during cultivation；Spiral shell is launched after rich water first, cultivates the foundation bait of leech, spiral shell stocking rate
It is 0.5-1.5 kgs/m2；Then 0.02-0.1 grams of leech seed 70-100 tail/rice is launched2The water surface；Finally launch loach water
Flower 50-100 tail/rice2Or launch 2-3 centimetres of loach little Wu son seed 5-10 tail/rice2；The sunshade net is set as every 10 meters
A length of one section, 20 millimeters thicks, 50 mm wides, 10.10 meters of long plastic plates are respectively arranged at the both ends of sunshade net length direction,
And pulley, nylon rope are provided in the plastic plate at both ends, couple nylon rope with the pulley above motor using pulley principle；
The sewage ditch is the ladder-type trough of upper big, lower small, and the ladder-type trough has certain gradient, and the gradient is discharge outlet
It is low, water inlet is high；The loach little Wu son of loach water flower and 2-3 centimeter length does not ingest leech seed, but 5 centimetres or more of loach meeting
Ingest a part of leech seed；When leech grows into 1 gram or more, adult loach would not ingest leech.
2. a kind of leech according to claim 1 and loach ecology stereoscopic cultivation method, it is characterised in that: the pond
It is selected as cement pit；Surface area size, the shape in pond are unlimited, it is desirable that water inlet, draining are convenient, and water quality meets fishery water mark
It is quasi-；Slope is set as on the upper end width direction of the cement pit；The surrounding of the upper end of the cement pit is provided with diameter
For the semi arch rubber tube of 25cm, Open Side Down for the semi arch rubber tube, and one end of length direction is along the upper end of cement pit
Surrounding insertion, the other end is hanging, to prevent leech from escaping；One aeration stone of every 2 meters of suspensions in the cement pit, with drum
Blower blowing aeration；Described cement pit one end is provided with water inlet, and the other end is provided with 80 mesh net of inner band at sewage ditch
Water discharging valve.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106962257A (en) * | 2017-04-26 | 2017-07-21 | 江苏农牧科技职业学院 | Water circulation hirudiniculture pond based on pneumatic principle |
| CN107410151A (en) * | 2017-09-05 | 2017-12-01 | 无为县慧富水蛭养殖专业合作社 | A kind of pond of hirudiniculture |
| CN107853226A (en) * | 2017-12-26 | 2018-03-30 | 江苏农牧科技职业学院 | A kind of thick layer stereo industrial aquaculture device of eurysome golden thread leech seed mark |
| CN109122429A (en) * | 2018-09-25 | 2019-01-04 | 重庆铭实农业科技开发有限责任公司 | A kind of eurysome golden thread leech soil pond culture synergy mode |
| CN110476850A (en) * | 2019-08-21 | 2019-11-22 | 吴江市明星产业种养殖中心 | Bonsai type hirudiniculture system and method |
| CN112136773B (en) * | 2020-10-09 | 2022-06-07 | 江苏农牧科技职业学院 | Loach seedling collection device is inhaled to hua |
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