CN101204144A - Pond polyculture system for fresh water shell and method therewith - Google Patents
Pond polyculture system for fresh water shell and method therewith Download PDFInfo
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- CN101204144A CN101204144A CNA2006101674986A CN200610167498A CN101204144A CN 101204144 A CN101204144 A CN 101204144A CN A2006101674986 A CNA2006101674986 A CN A2006101674986A CN 200610167498 A CN200610167498 A CN 200610167498A CN 101204144 A CN101204144 A CN 101204144A
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Abstract
The invention provides a mixotrophic-cultivation system in a freshwater pearl mussel pond, which comprises a pond, a separation device, a pearl mussel mixotrophic-cultivation region and an intensive fish cultivation region. The invention also provides a method for cultivating the pearl mussel by the mixotrophic-cultivation system. The mixotrophic-cultivation system and the method make full use of the nutrition relation among the mixotrophic-cultivation species, which reduces nutrition collecting volume; by regulating water quality and water transparency as well as regulating composition of species of phytoplankton and biomass, nutrient salt, phytoplankton and level of dissolved oxygen of the water can be effectively and conveniently controlled, which can effectively keep a good ecological environment of the water. The mixotrophic-cultivation system and method of the invention can obviously accelerate growth of the pearl mussel and increment speed of the pearl.
Description
Technical field
The invention belongs to the freshwater aquiculture technology, relate to fresh water pearl freshwater mussel pond and raise together with system and polyculture method.
Background technology
Pearl is noble ornament, is again famous and precious traditional Chinese medicine material, has very high market value.Along with the development of social economy and scientific and technological level, the purposes of pearl is constantly expanded, and market demand is increasing.
The artificial culture fresh water pearl has long history in China.At present China's pearl freshwater mussel kind of being used for cultivating fresh water pearl is mainly hydriopsis cumingii, the aquaculture model of cultivating fresh water pearl mainly contains two kinds: (1) hangs the pearl freshwater mussel of supporting through operation inserted sheet or slotting nuclear in natural waters such as river course, lake, cultivates phytoplankton as nacreous natural bait by the method for the fertilizer of manually splashing (for example duck excrement, quail excrement etc.), soya-bean milk and chemical fertilizer; (2) in the pond of natural or hand digging, hang foster pearl freshwater mussel; usually raise together with the foster duck of a small amount of filter-feeding fish (for example silver carp, flathead etc.) or combination in the pond; adopt the method for compost or the mode organic fertilizer of manually splashing (for example duck excrement, quail excrement etc.), splash soya-bean milk and chemical fertilizer to cultivate phytoplankton, and adopt the method for changing water to regulate pond water quality as nacreous natural bait.
In above-mentioned aquaculture model: (1) utilizes natural waters such as river course, lake to cultivate the water quality condition that fresh water pearl mainly relies on the waters, the culturist is limited to the regulating and controlling effect of breeding environment, and the fertilizer of splashing in a large number, soya-bean milk and chemical fertilizer etc. often cause cultures the waters eutrophication and form the bottom anaerobic environment; (2) utilize the pond rearing fresh water pearl to space, pond and the planning of nutriment resource shortage, only raise together with a small amount of filter-feeding fish (common every mu of water surface is put 30 tail silver carps and 10 tail flatheads in a suitable place to breed) in the pond, to raising together with the fish manufactured feed of often not throwing something and feeding, a large amount of organic fertilizers and soya-bean milk etc. cause pond waters height eutrophication and pond bottom organic matter accumulation, change water in the breeding process in a large number with the nitrogen, phosphorus and organic discharge that accumulate in the pond, plant's surrounding area water environment is caused severe contamination.Under existing aquaculture model, the general height of breeding water body eutrophication, the hydriopsis cumingii of breed infects freshwater mussel easily and dies of illness and die, and cultures very risky.In addition, under existing aquaculture model, usually the pearl freshwater mussel is hung and support, experiment showed, that this degree of depth is unfavorable for the growth of freshwater mussel and pearl under the pond water top layer about 20cm.
Along with the expansion of China's water pearl culture scale, the disadvantage that existing aquaculture model exists as a large amount of consume water resources and severe contamination water environment, causes the breeding water body eutrophication and causes freshwater mussel disease etc. to show more and more outstandingly easily.At present, the breed fresh water pearl has been subjected to social extensive concern to the pollution problem of water environment.The freshwater mussel disease has become the chronic illness in the water pearl culture, and production causes the tremendous economic loss to the sick generation of freshwater mussel to water pearl culture, has increased the risk of fresh water pearl industry greatly.
Therefore, minimizing is particularly changed nitrogen, phosphorus and the organic a large amount of pollutions of discharging plant's surrounding area water environment that water causes in the pond because of breeding water body; Avoid catching because of the breeding water body eutrophication causes the pearl freshwater mussel; Avoid the pond bottom organic matter accumulation and cause local water hypoxia; The kind of raising cultured fishes and quantity and increase are problem demanding prompt solutions during present pond pearl freshwater mussel is cultured to the control degree of pond Mesichthyes quantity in limited water body.
Summary of the invention
In order to address the above problem, to the invention provides a kind of fresh water pearl freshwater mussel pond and raise together with system.Simultaneously, the present invention also provides the polyculture method that utilizes this fresh water pearl freshwater mussel pond to raise together with system cultured pearl freshwater mussel.
System is raised together with in fresh water pearl freshwater mussel provided by the invention pond, and it comprises:
(1) pond,
(2) spacer assembly,
(3) the pearl freshwater mussel is raised together with the district, and
(4) fish intensive culture district.
Described spacer assembly is selected from purse seine or net cage, and it divides, is isolated into different culture zones with the pond on horizontal plane: fish intensive culture district and pearl freshwater mussel are raised together with the district; Described spacer assembly can be separated the fish of putting in a suitable place to breed in different zones with the pearl freshwater mussel, and microorganisms such as nutriment in the water and zooplankton, phytoplankton can freely exchange between each zone, and this spacer assembly seals regional area in the pond with fish intensive culture district, and this regional area is outside raises together with the district for the pearl freshwater mussel.
Described pond can be natural or artificial freshwater, and area can be unrestricted, is preferably 5000～70000m
2, 20000～40000m more preferably
2, the depth of water is 0.7～3 meter.Pond and peripheral region soil should not be tangible acidity, and the water source of cleaning is arranged, and (water source pH＞7, total alkalinity and total hardness are 2-3me/L, salinity＜0.3ppt).
The water transparency in described pond is 30-60cm, is preferably 35-45cm.
Described fish intensive culture district can be arranged in the optional position in pond.
Described fish intensive culture district is can be arbitrarily with the area ratio that the pearl freshwater mussel is raised together with the district, and still in order to enhance productivity, preferred area ratio is 1: 20～1: 200, and preferred area ratio is 1: 50～1: 100.
The present invention also provides and has utilized above-mentioned polyculture method of raising together with system cultured pearl freshwater mussel.
Particularly, this nacreous polyculture method, it comprises:
(1) sets up the system of raising together with of aforesaid pond fresh water pearl freshwater mussel;
(2) put phytophagy fish or ominivore-fish in a suitable place to breed in fish intensive culture district high density,
(3) raise together with the district the pearl freshwater mussel and hang foster pearl freshwater mussel, and raise together with filter-feeding fish and/or ominivore-fish,
(4) throw in manufactured feed in fish intensive culture district, these regional fish carried out aquaculture management,
(5) raise together with the district the pearl freshwater mussel and throw in fertilizer, chemical fertilizer and quicklime, this regional pearl freshwater mussel and fish are carried out aquaculture management,
(6) fish intensive culture district in the pond and pearl freshwater mussel are raised together with the district and carry out unified aquaculture management.
Described aquaculture management includes, but not limited to bait throwing in, applies fertilizer, executes quicklime, monitors breed operations such as pearl growth and water quality.
Above-mentioned aquaculture management is included in the breeding process and keeps water level constant substantially, and the quantity of exchanged water in pond be no more than every year breeding water body volume 70%, be preferably 30-50%.
Wherein, raise together with the district the pearl freshwater mussel, it is 30-90cm (water transparency 1.0～1.5 times) that the pearl freshwater mussel hangs the foster degree of depth, is preferably 40-60cm.With adopt at present usually the pearl freshwater mussel is hung support and is comparing about 20cm under the pond water top layer, this hangs the present invention and supports the degree of depth and more help freshwater mussel growth and pearl growth.
Raise together with the district the pearl freshwater mussel, often raise together with filter-feeding fish and/or ominivore-fish more than 3 kinds, can raise together with in the class that comprises in shrimps, predacious fish, the fancy fishes or number classes and these classifications one or more in addition.Described predacious fish can be the edible fishes of high value, for example mandarin fish etc.Raise together with the district the pearl freshwater mussel, nacreous cultivation density can be close with the pearl freshwater mussel cultivation density of routine, and its cultivation density is well known in the art.Raising together with the kinds of fish and quantity can determine according to the market sale situation etc. that pond water quality, pearl freshwater mussel are cultured situation, fish.Like this, the pearl freshwater mussel is raised together with the district and can utilize space, pond and nutritional resource fully.Result of the present invention shows, the density that can raise together with the species number (more than 4 kinds) of filter-feeding and ominivore-fish effectively and raise together with fish in native system and method is all apparently higher than existing pearl freshwater mussel pond culture pattern, and the growth of nacreous growth and pearl is not had adverse influence.
Raising together with the district the pearl freshwater mussel adopts the method for organic fertilizer, chemical fertilizer and quicklime to regulate pond water quality.Fertilising and execute the frequency of quicklime and quantity according to water transparency, nitrogen (N), phosphorus (P), calcium (Ca
2+) and organic (COD
Mn) content determines.By the method for raising together with district organic fertilizer, chemical fertilizer and quicklime to the pearl freshwater mussel pond water quality being kept transparency is 30-60cm, and N: the P ratio is 8: 1～10: 1, and total alkalinity and total hardness are 1-3me/L, COD
MnBe 15-20mg/L.
In fish intensive culture district, to put in a suitable place to breed to high-density and be selected from phytophagy fish and/or the ominivore-fish one or more, concrete fish culture kind is unrestricted, can decide on local market demand and price.It is well known in the art that described high density is put in a suitable place to breed, because fish intensive culture district is the zonule of a part in the pond, it is the system of an opening that itself and large-area pearl freshwater mussel are raised together with the district, except material cultures such as fish, freshwater mussel can not freely exchange, water, nutrients, oxygen etc. all can freely exchange, thus in the fish intensive culture district high density to put in a suitable place to breed be fully feasible.The density of fish is generally 15-20 tail/m in the fish intensive culture district
2, reach as high as 30 tails/m
2Aerator can be set in fish intensive culture district promotes fish intensive culture district and pearl freshwater mussel to raise together with the mobile and exchange of water between the district.
In fish intensive culture district, adopt manual bait throwing in or the bait throwing in machine manufactured feed of throwing something and feeding is installed.The feed of throwing something and feeding is further utilized by the pearl freshwater mussel after digesting through fish again.Feed formula can design at this method, be with the difference of general fish manufactured feed: the plant protein material that contains phytate phosphorus with dregs of beans etc. in the used fish feed formula of (1) this method is main forage protein source, does not use or use on a small quantity animal protein sources such as fish meal substantially; (2) contain brewer's yeast and corn protein powder, CaHPO in the used fish feed formula of this method
4Addition is apparently higher than the addition of similar carp compound feed; (3) according to the feedstuff feeding amount of following formula calculating in fish intensive culture district: maximum food content (kg) * [1+ fish maximum growth rate (%/sky)/100] * fish tail number in day feeding volume (kg)=1/2 * fish digestive tract.Preferably, in the carp compound feed that fish intensive culture district throws something and feeds, plant protein materials such as dregs of beans are the 80-100%wt of forage protein source total amount, and add the brewer's yeast of 1-3%wt, the corn protein powder of 5～15%wt and the CaHPO of 2-8%wt
4
Originally raise together with the system and method utilization and throw in the main nutrient matter input of manufactured feed as the pond to fish intensive culture district, the indigested feed residue of fish (fish ight soil) provides bacterium and organic debris (organic debris is as the loading of bacterium) as nacreous food, by on a small quantity, repeatedly application of organic fertilizers and chemical fertilizer replenish the deficiency of organic debris amount in the pond, regulate the N in the pond waters: the P ratio, the dissolved oxygen level of the kind of control pond phytoplankton is formed and biomass is gone forward side by side a step control water body prevents the blue-green alga bloom generation.
Therefore, system is raised together with in fresh water pearl freshwater mussel provided by the invention pond and polyculture method has made full use of the nutrition relationship of raising together with in the pond between species, by the injected volume of food chain design minimizing feed and fertilizer; Regulate kind composition and the biomass of phytoplankton by regulating water quality and water transparency, and determine the nacreous foster degree of depth of hanging, improved growth rate of freshwater mussel and the speed that pearl increases according to this transparency; Native system and method can be controlled nutritive salt, phytoplankton and the dissolved oxygen level in the water body effectively, easily simultaneously, thereby keep the good ecotope of water body effectively.
Description of drawings
The schematic diagram of system is raised together with in Fig. 1 fresh water pearl freshwater mussel pond.
Wherein, description of reference numerals is as follows:
1 pond,
2 spacer assemblys,
3 pearl freshwater mussels are raised together with the district,
4 fish intensive culture districts.
Embodiment
Following conjunction with figs., the present invention is further illustrated by embodiment.
1, system is raised together with in pond fresh water pearl freshwater mussel pond
As illustrate shown in Figure 1ly, this fresh water pearl freshwater mussel pond system of raising together with comprises: pond (1), spacer assembly (2), pearl freshwater mussel are raised together with district (3) and fish intensive culture district (4).The depth of water in pond (1) is 0.7～3 meter, and spacer assembly (2) is purse seine or net cage, and it divides, is isolated into different culture zones in the plane with the pond: the pearl freshwater mussel is raised together with district (3) and fish intensive culture district (4); Described spacer assembly can be separated cultivated animals such as fish, freshwater mussel foster in different zones, and grow water body and wherein microorganism such as phytoplankton, zooplankton can between each zone, freely exchange, and this spacer assembly seals regional area in the pond with fish intensive culture district, and this regional area is outside raises together with the district for the pearl freshwater mussel.Described fish intensive culture district is 1: 20～1: 200 with the area ratio that the pearl freshwater mussel is raised together with the district, and the water transparency in described pond is 30-60cm.
The main flow process of polyculture method of 2, raising together with system and using this to raise together with system
The pond selection →
The design raise together with pattern (determining to raise together with kind and stocking rate) →
Set up the pond raise together with system →
Stocked carp and pearl freshwater mussel →
Aquaculture management (bait throwing in, quicklime is executed in fertilising, pearl increases and water quality monitoring) →
The breeding wastewater management →
The control of pearl freshwater mussel disease.
Each step can be particularly by comprising following method operation:
(1) pond is selected: select not to be subjected to serious industrial waste and pesticide pollution, area is 20000-40000m
2Natural or artificial freshwater.It is acid that the pond surrounding soil not should be, and the water source of cleaning is arranged, and (water source pH＞7, total alkalinity and total hardness are 2-3me/L, and salinity＜0.3ppt), the depth of water can reach 0.7-3m after the retaining of pond.
(2) pattern is raised together with in design: determine specification (insert pearl oyster or insert pearl oyster) and the quantity of cultured pearl freshwater mussel according to pond and market situation, and in the intensive culture district with raise together with kind, specification and the quantity of district's stocked carp.The fish kind of putting in a suitable place to breed according to the intensive culture district designs compound feed prescription and calculates the feed consumption.Feed can utilize small-sized feed processing machinery to process or entrust feed factory processing voluntarily, also can directly buy from the market as the case may be.
(3) set up the pond and raise together with system: pond water is put dried, cleaned up the pond, in the pond, isolate fish intensive culture district with purse seine (sharrow pool) or net cage (deep water pond) according to the scheme of raising together with of design with quicklime.Generally, fish intensive culture district and pearl freshwater mussel to raise together with the ratio of district's area be 1: 50～1: 100.After purse seine or net cage are set up,, take the circumstances into consideration fertilising and cultivate phytoplankton the pond retaining.
(4) put pearl freshwater mussel and fish in a suitable place to breed:, put pearl freshwater mussel, fish and shrimp in the district in a suitable place to breed to nacreous raising together with according to the scheme of the raising together with stocked carp in fish intensive culture district respectively of design.Slotting pearl oyster hangs supports the transparency that water layer is equivalent to pond water, is generally 40～60cm under the surface layer of water.
(5) aquaculture management: the manufactured feed of in fish intensive culture district, fixing a point to throw something and feed every day.Morning every day, evening are surveyed dissolved oxygen in the pond, take the circumstances into consideration to apply fertilizer and execute quicklime according to pond waters transparency and relevant chemical measurements of water.Make regular check on pearl growth and pearly-lustre situation in the survival of pearl freshwater mussel, growth and the freshwater mussel.Regularly water inlet keeps the pond stable level in the pond.
(6) breeding wastewater management: during culturing fresh water pearl, do not efflux to put in a suitable place to breed in principle and grow waste water to the pond.Change water as true needs, then change water by the principle of repeatedly changing water on a small quantity.Discharge waste water through long soil property shallow water irrigation canals and ditches discharging, by the waste water of aquatic macrophyte preliminary purification discharge from cultivating pool.
(7) pearl freshwater mussel disease control: by checking and select to culture not the source that in spite of illness pearl freshwater mussel freshwater mussel kind is cut off disease spread.In breeding process, reduce possibility and the harm that disease takes place by making regular check on and regulate pond water quality.
3, the different breeding pattern is to the influence test of growth of pearl freshwater mussel and pearl growth
(1) cultivating condition:
The pond: with 2 ponds, area is 20000m
2, the about 1.3～1.5m of the depth of water, and the water source (pH＞7.53, total alkalinity and total hardness are 2.61me/L, salinity＜0.26ppt).
Adopt the system and method for raising together with that the present invention proposes in the pond 1: be isolated into fish intensive culture district and the pearl freshwater mussel is raised together with the district with purse seine, the area ratio in two zones is 1: 75.Adopt traditional pond breeding method in the pond 2, do not carry out sequestered partition.
Culturing time: 5.5 months.
Pearl freshwater mussel freshwater mussel kind, fingerling and quantity thereof: used pearl freshwater mussel freshwater mussel kind and fingerling are consistent substantially between the pond.The pearl freshwater mussel is selected hydriopsis cumingii for use, and specification is not insert pearl oyster and slotting pearl oyster 2 ages.Pond crucian carp, every m are cultured in pond 1 in fish intensive culture district
216 tails are put in the waters in a suitable place to breed.The pearl freshwater mussel is raised together with the district and raises together with silver carp, flathead and pond crucian carp, every m
2The waters is put silver carp 0.05 tail, flathead 0.1 tail and pond crucian carp 0.01 tail in a suitable place to breed.Raise together with silver carp, flathead and pond crucian carp by traditional cultural method in the pond 2.
Other condition is definite as the case may be, and keeps the uniformity between the pond except that raising together with system and method, and the method according to this invention and conventional method are carried out aquaculture management.
(2) breeding process and method:
Duration of test, pond crucian carp is raised in bait throwing in the fish intensive culture district in pond 1, comes rich water to culture by residual bait, fish ight soil and excreta and raises together with the pearl freshwater mussel in district, adjust the control water transparency of water body nitrogen, phosphorus ratio by fertilising.Only fertilising in the pond 2, the fish manufactured feed of not throwing something and feeding.
(3) culture the result:
When experiment finishes in the pond 1 pond crucian carp, silver carp and flathead output be respectively 162,129 and 259kg/ha; Do not insert pearl oyster and slotting pearl oyster output and be respectively 2036kg/ha and 1966kg/ha.Pond crucian carps, silver carp and flathead output are respectively 14,284 and 189kg/ha in the pond 2; Do not insert pearl oyster and slotting pearl oyster output and be respectively 2452kg/ha and 1454kg/ha.
Produce a pearl number in the pond 1 and 2 in the single slotting pearl oyster and be respectively 32.4 ± 1.8 and 32.2 ± 2.1, each slotting pearl oyster produces pearl weight and is respectively 2.527 ± 0.858g and 1.623 ± 0.470g.Single slotting pearl oyster pearl production exceeds 55.7% than pond 2 in the pond 1.Behind the cultivation density and survival rate conversion according to freshwater mussel in the pond, pearl production is 71.4 ± 24.2kg/ha in the duration of test pond 1, and pond 2 is 46.6 ± 13.5kg/ha
From result of the test as seen, the fresh water pearl freshwater mussel pond that proposes of the present invention is raised together with system and method and can obviously be accelerated the fresh water pearl freshwater mussel than existing cultural method and grow and the pearl growth rate.
4, hang of the influence test of the foster degree of depth to the growth of pearl freshwater mussel
(1) cultivating condition:
The pond: with 2 ponds, 30 mu of areas, the about 1.3～1.5m of the depth of water, the water source (pH＞7.53, total alkalinity and total hardness are 2.61me/L, salinity＜0.26ppt).
Culturing time: 5 months.
Water transparency: the transparency kept stable in test pond is 45～55cm.
The pearl freshwater mussel hangs the foster degree of depth: 4 diverse locations in each pond hang with the different degree of depth (under the top layer 20,40 and 80cm) and support the pearl freshwater mussel.
The pearl freshwater mussel is selected hydriopsis cumingii for use, and specification is not insert pearl oyster 2 ages.Adopt the system and method for raising together with of the present invention's proposition in the pond, pond crucian carp, every m culture in fish intensive culture district
216 tails are put in the waters in a suitable place to breed.The pearl freshwater mussel is raised together with the district and raises together with silver carp, flathead and pond crucian carp, every m
2The waters is put silver carp 0.05 tail, flathead 0.1 tail and pond crucian carp 0.01 tail in a suitable place to breed.
Other condition determines that as the case may be the method according to this invention is carried out aquaculture management.
(2) breeding process and method:
Pond crucian carp is raised in the duration of test bait throwing in, comes rich water by residual bait, fish ight soil and excreta.Adjust the control water transparency of water body nitrogen, phosphorus ratio by fertilising.
(3) culture the result:
Measure clam shell long (cm) and the freshwater mussel heavy (g) of freshwater mussel respectively when culturing beginning and when finishing, calculate clam shell length growth rate (cmd according to measurement result
-1) and the heavy (gd of freshwater mussel
-1) growth rate, the results are shown in Table 1.
Table 1, different pearl freshwater mussel hang the pearl culture result (mean+SD) who supports the degree of depth
From the experimental study result as seen, hang foster water layer (20cm) with the pearl freshwater mussel of generally adopting and compare, the fresh water pearl freshwater mussel pond that the present invention proposes is hung the foster degree of depth (40cm) and can obviously be accelerated the growth rate of fresh water pearl freshwater mussel.
Claims (10)
1. system is raised together with in a fresh water pearl freshwater mussel pond, and it comprises:
The pond,
Spacer assembly,
The pearl freshwater mussel is raised together with the district, and
Fish intensive culture district;
Different culture zones is divided, is isolated into to described spacer assembly with the pond on horizontal plane: fish intensive culture district and pearl freshwater mussel are raised together with the district; Described spacer assembly is separated the fish of putting in a suitable place to breed in different zones with the pearl freshwater mussel, and microorganisms such as nutriment in the water and zooplankton, phytoplankton can freely exchange between each zone, and this spacer assembly seals regional area in the pond with fish intensive culture district, and this regional area is outside raises together with the district for the pearl freshwater mussel.
2. according to the system of raising together with of claim 1, the described pond depth of water is 0.7～3 meter, and described water transparency is 30-60cm.
3. according to the system of raising together with of claim 1, described spacer assembly is selected from purse seine or net cage.
4. according to the system of raising together with of claim 1, described fish intensive culture district is 1: 20～1: 200 with the area ratio that the pearl freshwater mussel is raised together with the district.
5. fresh water pearl freshwater mussel pond polyculture method, it comprises:
(1) sets up any described system of raising together with of claim 1～4;
(2) put phytophagy fish or ominivore-fish in a suitable place to breed in fish intensive culture district high density;
(3) raise together with the district the pearl freshwater mussel and hang foster pearl freshwater mussel, and raise together with filter-feeding fish and/or ominivore-fish;
(4) throw in manufactured feed in fish intensive culture district, these regional fish are carried out aquaculture management;
(5) raise together with the district the pearl freshwater mussel and throw in fertilizer, chemical fertilizer and quicklime, this regional pearl freshwater mussel and fish are carried out aquaculture management;
(6) fish intensive culture district and pearl freshwater mussel are raised together with the district and carry out unified aquaculture management.
6. according to the polyculture method of claim 5, aquaculture management wherein is included in and keeps water level constant substantially in the breeding process, and the quantity of exchanged water in pond be no more than every year breeding water body volume 70%.
7. according to the polyculture method of claim 5, wherein nacreously hang that to support the degree of depth be 30-90cm.
8. according to the polyculture method of claim 5, wherein the pearl freshwater mussel is raised together with the district and comprises the class of raising together with in shrimps, predacious fish, the fancy fishes or in the number class one or more.
9. according to the polyculture method of claim 5, described aquaculture management comprises that it is 40-50cm that the method by organic fertilizer, chemical fertilizer and quicklime remains on transparency with pond waters, and N: the P ratio is 8: 1～10: 1, and total alkalinity and total hardness are 1-3me/L, COD
MnBe 15-20mg/L.
10. according to the polyculture method of claim 5, described aquaculture management is included in the carp compound feed of throwing something and feeding in fish intensive culture district, plant protein materials such as dregs of beans are the 80-100%wt of forage protein source total amount, and the brewer's yeast of interpolation 1-3%wt, the corn protein powder of 5～15%wt and the CaHPO of 2-8%wt
4
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| CN102499133A (en) * | 2011-10-20 | 2012-06-20 | 浙江大学 | Polyculture system and polyculture method of fish and mussel in fresh water pond |
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| CN102986563A (en) * | 2012-09-13 | 2013-03-27 | 中国水产科学研究院南海水产研究所 | Method for ecologically poly-culturing fishes with different feeding habits in net cages of shrimp culture pond |
| CN103181344A (en) * | 2012-05-14 | 2013-07-03 | 浙江农林大学 | Pearl culturing method |
| CN104920268A (en) * | 2015-06-23 | 2015-09-23 | 陈武昌 | Nucleus pearl cultivating method |
| CN105010741A (en) * | 2014-07-17 | 2015-11-04 | 魏巍 | Pearl mussel bait feed production method |
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| CN108633800A (en) * | 2018-05-01 | 2018-10-12 | 湖南文理学院 | Fresh water pearl transition and upgrade, upgrading, synergy cultural method |
| CN110269020A (en) * | 2019-07-23 | 2019-09-24 | 湖南文理学院 | A kind of saturation type water pearl culture system and its cultural method |
| CN110269020B (en) * | 2019-07-23 | 2021-07-23 | 湖南文理学院 | Self-feedback type fresh water pearl culture system and culture method thereof |
| CN110367158A (en) * | 2019-08-19 | 2019-10-25 | 湖南文理学院 | Based on environment can repairing type fresh water pearl freshwater mussel cultivation water conservation fishery |
| CN110367158B (en) * | 2019-08-19 | 2021-07-06 | 湖南文理学院 | Water-retaining fishery method based on environment-repairable freshwater pearl mussel culture |
| CN111387124A (en) * | 2020-04-01 | 2020-07-10 | 中国水产科学研究院淡水渔业研究中心 | Factory planting and breeding system using eutrophic water as raw material |
| CN112493185A (en) * | 2020-11-30 | 2021-03-16 | 广东大麟洋海洋生物有限公司 | Ecological breeding method for golden pomfret |
| CN113598100A (en) * | 2021-09-01 | 2021-11-05 | 贵州省畜禽遗传资源管理站 | Three-dimensional planting and breeding method of rhizoma alismatis, whitmania pigra and hyriopsis cumingii |
| CN115956639A (en) * | 2023-01-10 | 2023-04-14 | 东北林业大学 | Feed for freshwater mussel breeding |
| CN115956639B (en) * | 2023-01-10 | 2024-08-23 | 东北林业大学 | Freshwater mussel breeding feed |
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