CN108935248A - A kind of cultural method improving leech survival rate - Google Patents
A kind of cultural method improving leech survival rate Download PDFInfo
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- CN108935248A CN108935248A CN201811076140.1A CN201811076140A CN108935248A CN 108935248 A CN108935248 A CN 108935248A CN 201811076140 A CN201811076140 A CN 201811076140A CN 108935248 A CN108935248 A CN 108935248A
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- Prior art keywords
- hatching
- leech
- seedling
- raising
- temperature
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- 241000545744 Hirudinea Species 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000004083 survival effect Effects 0.000 title claims abstract description 17
- 230000012447 hatching Effects 0.000 claims abstract description 64
- 102000002322 Egg Proteins Human genes 0.000 claims abstract description 42
- 108010000912 Egg Proteins Proteins 0.000 claims abstract description 42
- 210000004681 ovum Anatomy 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 206010001928 Amenorrhoea Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000008736 traumatic injury 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
- A01K61/40—Culture of aquatic animals of annelids, e.g. lugworms or Eunice
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of cultural methods for improving leech survival rate, belong to aquaculture field, comprising: prepare hatching house: being laid with the hatching mud with predetermined thickness in the bottom of hatching house, it is 75%~85% that indoor humidity is hatched in control；It is put into ovum cocoon: acquiring the ovum cocoon of same time production, and be placed in the form of upward in hatching mud by the tip of ovum cocoon, the tip of ovum cocoon is exposed on the surface of hatching mud；Hatching: indoor temperature is hatched to obtain leech seedling according to the cycle regulating of hatching；Raising seedling: leech seedling is transferred in the rearing-box with inlet and outlet, and inlet and outlet are provided with separation net, the active feeding liquid circulated in rearing-box, and the oxygen content of feeding liquid is 28mg/L~30mg/L.The present invention can significantly improve the hatching rate of leech and the survival rate of seedling.
Description
Technical field
The present invention relates to aquaculture field, in particular to a kind of cultural method for improving leech survival rate.
Background technique
Leech, popular name leech are the general designations of Annelida Hirudinea on animal classification, grow in inland fresh water areas numerous
It grows, is the traditional special medicinal aquatic animals in China, Chinese medicine is used as medicine after dried product processes, and has treatment apoplexy, hypertension, clear
The stasis of blood, amenorrhoea, traumatic injury and other effects are especially used to prepare the Chinese patent drug for the treatment of cardiovascular and cerebrovascular disease.In recent years, with medicine
Deepening continuously and develop to leech research, medical value is gradually embodied, and leech has become global well sold and in short supply Chinese medicine
One of material also has broad application prospects in modern medicine and pharmacology.
But the living environment of leech is heavily contaminated in recent years, people are again predatory to be captured, and wild resource day is caused
Beneficial exhausted, imbalance between supply and demand is very prominent, and domestic and international leech market demand is gradually increased, and artificial feeding leech is imperative.
Leech is adaptable, and starvation tolerance is strong, has extremely strong premunition, and artificial feeding leech limit by regional condition, can pond it is feeding,
Hole is supported, cylinder is supported, bucket is supported etc., it has the characteristics that not account for low labour, feed cost, small investment, quick.
Currently, there are mainly three types of modes for hirudiniculture: the cultivation of rice field extensive style, cage culture, cement are pool cultivated.Current
Cage culture and the pool cultivated dispersion problem concerning life that can not solve leech of cement, the breeding potential and survival rate of leech not by
Control.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cultural methods for improving leech survival rate, can significantly improve
The hatching rate of leech and the survival rate of seedling.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of cultural method improving leech survival rate, comprising:
Prepare hatching house: being laid with the hatching mud with predetermined thickness in the bottom of the hatching house, control the hatching house
Interior humidity is 75%~85%；
It is put into ovum cocoon: acquiring the ovum cocoon of same time production, and institute is placed in by the tip of the ovum cocoon in the form of upward
It states in hatching mud, the tip of the ovum cocoon is exposed on the surface of the hatching mud；
Hatching: the indoor temperature of hatching according to the cycle regulating of hatching, at hatching initial stage, the temperature is 21 DEG C~
23℃；In hatching mid-term, the temperature is 24 DEG C~26 DEG C；In the hatching later period, the temperature is 27 DEG C~30 DEG C, to obtain
Leech seedling；
Raising seedling: the leech seedling is transferred in the rearing-box with inlet and outlet, the water inlet
Separation net is provided with the water outlet, the active feeding liquid circulated in the rearing-box, the feeding liquid
Oxygen content is 28mg/L~30mg/L.
Preferably, the hatching initial stage is 1~5 day after being put into ovum cocoon step, and the hatching mid-term is to be put into ovum cocoon step
5~10 days after rapid, the hatching later period was 10~15 days after being put into ovum cocoon step.
Preferably, in raising seedling step, the temperature in the rearing-box is regulated and controled according to the growth cycle of the seedling,
In the raising first stage, the temperature of the feeding liquid is 32~34 DEG C；In raising second stage, the temperature of the feeding liquid is 24
~26 DEG C；In the raising phase III, the temperature of the feeding liquid is 28~30 DEG C；Fourth stage is being raised, the feeding liquid
Temperature is 24~26 DEG C.
Preferably, the raising first stage is that leech seedling is transferred to 1~3 day after rearing-box；The raising second
Stage is that leech seedling is transferred to 4~20 days after rearing-box；The raising phase III is that leech seedling is transferred to rearing-box
Afterwards 21~50 days；The raising fourth stage is that leech seedling is transferred to 50~80 days after rearing-box.
It preferably, further include putting seedling in a suitable place to breed after the raising seedling: by the leech by the raising fourth stage
Seedling is transferred in pond, and the throw-in density in the pond is 70,000~130,000 tails/mu.
Preferably, it is put into ovum cocoon step described, is laid with one layer of wet cotton in the top of the ovum cocoon.
Compared with prior art, the beneficial effects of the present invention are: ovum cocoons to be placed in hatching mud, and the tip of ovum cocoon
Exposure enables ovum cocoon to absorb nutrient and moisturizing in the process of hatching, and ovum cocoon is avoided to be infected by germ.Hatch indoor temperature
Degree and humid control can be improved the hatching rate of leech.Seedling is placed in rearing-box, and the temperature of initial stage feeding liquid is higher, is raising
Nutrient solution and it is highdensity under the conditions of can aid in raising and promote leech movement, make its activity preferably, it is raw to facilitate its health
It is long.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is a kind of flow chart for the cultural method for improving leech survival rate of the present invention.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, the present invention improve leech survival rate cultural method, mainly comprise the steps that prepare hatching house,
It is put into ovum cocoon, hatching, raising seedling.Then it will be put into pond and put in a suitable place to breed by the seedling cultivated again.
S1: prepare hatching house: being laid with the hatching mud with predetermined thickness in the bottom of hatching house, control hatching is indoor wet
Degree is 75%~85%；
S2: it is put into ovum cocoon: acquiring the ovum cocoon of same time production, and hatching is placed in by the tip of ovum cocoon in the form of upward
In mud, the tip of ovum cocoon is exposed on the surface of hatching mud；
S3: hatching: hatching indoor temperature according to the cycle regulating of hatching, and at hatching initial stage, temperature is 21 DEG C~23 DEG C；
In hatching mid-term, temperature is 24 DEG C~26 DEG C；In the hatching later period, temperature is 27 DEG C~30 DEG C, to obtain leech seedling；
S4: raising seedling: leech seedling is transferred in the rearing-box with inlet and outlet, water inlet and water outlet
Mouth is provided with separation net, the active feeding liquid circulated in rearing-box, the oxygen content of feeding liquid be 28mg/L~
30mg/L。
Wherein, the hatching mud of S1 step is by screening, the sandy soil mixture for sterilizing, being exposed to the sun.Ovum cocoon is placed on hatching mud
In, and the tip exposure of ovum cocoon, so that ovum cocoon is absorbed nutrient and moisturizing in the process of hatching, and avoid ovum cocoon by germ
Infection.The ovum cocoon modes of emplacement of S2 step can guarantee ovum cocoon hatching process it is ventilative.In other embodiments, it is being put into
In ovum cocoon step, it can also be laid with one layer of wet cotton in the top of ovum cocoon, to improve humidity while guaranteeing ventilative.S3 step
The temperature control of rapid hatching house can be improved the hatching rate of leech.Hatching initial stage is 1~5 day after being put into ovum cocoon step, temperature
It is 21 DEG C~23 DEG C.Hatching mid-term is 5~10 days, 24 DEG C~26 DEG C after being put into ovum cocoon step.The hatching later period is to be put into ovum cocoon
10~15 days after step, 27 DEG C~30 DEG C.
The rearing-box of S4 step can provide the running water of flowing for seedling, and running water is the feeding liquid by allotment.It raises
Nutrient solution includes lignin 2wt%, catalase 0.08wt%.In raising seedling step, according to the growth cycle tune of seedling
The temperature in rearing-box is controlled, in the raising first stage, the temperature of feeding liquid is 32~34 DEG C；In raising second stage, feeding liquid
Temperature be 24~26 DEG C；In the raising phase III, the temperature of feeding liquid is 28~30 DEG C；In raising fourth stage, feeding liquid
Temperature be 24~26 DEG C.The temperature of feeding liquid is adjusted according to the growth cycle of seedling, and the temperature of initial stage feeding liquid is higher, is raising
Nutrient solution and it is highdensity under the conditions of can aid in raising and promote leech movement, make its activity preferably, it is raw to facilitate its health
It is long.The specific temperature control period is that the raising first stage is that leech seedling is transferred to 1~3 day after rearing-box, feeding liquid
Temperature is 32~34 DEG C.Raising second stage is that leech seedling is transferred to 4~20 days, 24~26 DEG C after rearing-box.Raising the
Three stages were that leech seedling is transferred to 21~50 days, 28~30 DEG C after rearing-box.Fourth stage is raised as the transfer of leech seedling
50~80 days after to rearing-box, 24~26 DEG C.
Further include putting seedling in a suitable place to breed after raising seedling: pond will be transferred to by the leech seedling of raising fourth stage
In, the throw-in density in pond is 70,000~130,000 tails/mu, to improve the yield of leech.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (6)
1. a kind of cultural method for improving leech survival rate characterized by comprising
Prepare hatching house: being laid with the hatching mud with predetermined thickness in the bottom of the hatching house, it is indoor to control the hatching
Humidity is 75%~85%；
It is put into ovum cocoon: acquiring the ovum cocoon of same time production, and described incubate is placed in by the tip of the ovum cocoon in the form of upward
Change in mud, the tip of the ovum cocoon is exposed on the surface of the hatching mud；
Hatching: the indoor temperature of hatching according to the cycle regulating of hatching, at hatching initial stage, the temperature is 21 DEG C~23
℃；In hatching mid-term, the temperature is 24 DEG C~26 DEG C；In the hatching later period, the temperature is 27 DEG C~30 DEG C, to obtain water
Leech seedling；
Raising seedling: the leech seedling is transferred in the rearing-box with inlet and outlet, the water inlet and institute
State water outlet and be provided with separation net, the active feeding liquid circulated in the rearing-box, the feeding liquid it is oxygen-containing
Amount is 28mg/L~30mg/L.
2. a kind of cultural method for improving leech survival rate according to claim 1, which is characterized in that the hatching initial stage
To be put into 1~5 day after ovum cocoon step, the hatching mid-term is 5~10 days after being put into ovum cocoon step, and the hatching later period is
10~15 days after being put into ovum cocoon step.
3. a kind of cultural method for improving leech survival rate according to claim 1, which is characterized in that in raising seedling step
In rapid, the temperature in the rearing-box is regulated and controled according to the growth cycle of the seedling, is raising the first stage, the feeding liquid
Temperature is 32~34 DEG C；In raising second stage, the temperature of the feeding liquid is 24~26 DEG C；It is raising the phase III, it is described
The temperature of feeding liquid is 28~30 DEG C；In raising fourth stage, the temperature of the feeding liquid is 24~26 DEG C.
4. a kind of cultural method for improving leech survival rate according to claim 3, which is characterized in that the raising first
Stage is that leech seedling is transferred to 1~3 day after rearing-box；The raising second stage is after leech seedling is transferred to rearing-box
4~20 days；The raising phase III is that leech seedling is transferred to 21~50 days after rearing-box；The raising fourth stage
50~80 days after being transferred to rearing-box for leech seedling.
5. a kind of cultural method for improving leech survival rate according to claim 4, which is characterized in that in the raising children
Further include putting seedling in a suitable place to breed after seedling: will be transferred in pond by the leech seedling of the raising fourth stage, the pond
Throw-in density is 70,000~130,000 tails/mu.
6. a kind of cultural method for improving leech survival rate according to claim 1, which is characterized in that be put into ovum described
In cocoon step, one layer of wet cotton is laid in the top of the ovum cocoon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076140.1A CN108935248A (en) | 2018-09-14 | 2018-09-14 | A kind of cultural method improving leech survival rate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811076140.1A CN108935248A (en) | 2018-09-14 | 2018-09-14 | A kind of cultural method improving leech survival rate |
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| Publication Number | Publication Date |
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| CN108935248A true CN108935248A (en) | 2018-12-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107873590A (en) * | 2017-11-16 | 2018-04-06 | 广西远程水蛭养殖有限公司 | Leech hatching method |
| CN107897067A (en) * | 2017-11-22 | 2018-04-13 | 五河县茂源水蛭生态养殖专业合作社 | A kind of cultural method for improving young leech survival rate |
| CN207665824U (en) * | 2017-11-15 | 2018-07-31 | 昆明学院 | A kind of leech incubator |
-
2018
- 2018-09-14 CN CN201811076140.1A patent/CN108935248A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207665824U (en) * | 2017-11-15 | 2018-07-31 | 昆明学院 | A kind of leech incubator |
| CN107873590A (en) * | 2017-11-16 | 2018-04-06 | 广西远程水蛭养殖有限公司 | Leech hatching method |
| CN107897067A (en) * | 2017-11-22 | 2018-04-13 | 五河县茂源水蛭生态养殖专业合作社 | A kind of cultural method for improving young leech survival rate |
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Application publication date: 20181207 |