CN115399268A - Artificial ripening imbalance liriodendron breeding technology - Google Patents
Artificial ripening imbalance liriodendron breeding technology Download PDFInfo
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- 238000009395 breeding Methods 0.000 title claims abstract description 53
- 230000001488 breeding effect Effects 0.000 title claims abstract description 52
- 238000005516 engineering process Methods 0.000 title claims abstract description 32
- 230000005070 ripening Effects 0.000 title claims abstract description 18
- 241000218300 Liriodendron Species 0.000 title abstract 2
- 241000237536 Mytilus edulis Species 0.000 claims abstract description 74
- 235000020638 mussel Nutrition 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
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- 241000228456 Leptosphaeria Species 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 241000382840 Hyriopsis cumingii Species 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 4
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
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- 241001521474 Liriope <hydrozoan> Species 0.000 abstract description 24
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 235000020639 clam Nutrition 0.000 description 11
- 241000237519 Bivalvia Species 0.000 description 9
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- 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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
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- 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
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Abstract
The invention discloses an artificial ripening imbalance liriodendron breeding technology, and relates to the technical field of aquaculture. The breeding technology of the invention specifically comprises the following steps: parent selection and cultivation, mature hook-medium larva acquisition, hook-medium larva parasitism, hook-medium larva infected host fish cultivation and juvenile mussel cultivation after seedling shedding are carried out, the parent selection and cultivation need to select collected imbalance liriopsis cumingii parents, specifications are unified, and the breeding pond is placed in a running water cultivation pond for cultivation, and the specifications of the breeding pond are as follows: 3.0m x 1.5m x 0.4m, a cultivation period of 3 months, periodically checking the development state of the imbalance liriopes, feeding artificially cultivated green algae once every week, and completely maturing the gonads of the imbalance liriopes parents artificially cultivated for 3 months. The collected Liriopsis imbalanced mussel parents are subjected to centralized culture, the gonads of the Liriopsis imbalanced mussel parents artificially cultured for 3 months are completely mature, the Liriopsis imbalanced mussel parents are rotated out and stimulated to be dried in the shade, and mature leptomens larvae are obtained through natural seed spitting.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to an artificial ripening technology for breeding of Liriopsis imbalanced.
Background
The Liriopsis imbalanced mussel is a unique rare economic freshwater shellfish in China, and like other bivalves, the Liriopsis imbalanced mussel purifies a water body while realizing growth by filtering plankton and organic matters in the water body, so that the Liriopsis imbalanced mussel has a wide market prospect no matter the Liriopsis imbalanced mussel has an edible economic value or a water purification fishery value. However, the natural resources of the Liriosa annulata rapidly decline due to habitat damage, water area pollution and artificial fishing, and a small amount of Liriosa annulata is distributed in part of the Anhui, jiangxi and Poyang lakes at present. In view of the endangered status quo and the important economic value of the Liriosa imbalanced, the artificial breeding protection of the Liriosa imbalanced is strengthened and is not slow enough.
Like most other freshwater bivalves, the imbalance liriopsis cumingii has the typical life history of the mussels, and mature leptocystis cumingii larvae need to be parasitic on host fish bodies for a short time to develop into young mussels and then can live independently. The parasitism selectivity of the imbalance liriopsis cumingii hook larvae on the host fish is higher, so that the breakthrough of the host fish limitation required by the breeding of different freshwater mussels is the key of the artificial breeding technology of the freshwater mussels, while the cultivation of young mussels and young mussels is the core technology for realizing the large-scale production of fingerlings,
the existing imbalance liriopsis cumingii breeding technology is low in breeding efficiency due to the fact that a breeding process does not have a uniform breeding method for host fish and leptomeningea larvae, development maturity is not consistent, and therefore the imbalance liriopsis cumingii breeding technology capable of artificially promoting maturity is provided.
Disclosure of Invention
The invention aims to provide an artificial ripening imbalance liriope breeding technology, and solves the problems of non-uniform developmental maturity, low large-scale production efficiency and low economic benefit in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an artificial ripening imbalance liriope breeding technology, which specifically comprises the following steps: parent selection and cultivation, mature hook is situated between larva and is obtained, hook is situated between larva parasitizing, infect hook is situated between host fish of larva and cultivate and take off seedling after young mussel and cultivate, parent selection and cultivation need select the unbalance liriopsis mussel parent of collection earlier, and the specification size is unified, places to cultivate in the culture pond of flowing water and cultivates the pond specification: 3.0mx 1.5mx 0.4m, a cultivation period of 3 months, periodically checking the development state of the unbalanced liriopes, feeding artificially cultivated green algae once every week, completely maturing gonads of the unbalanced liriopes parents artificially cultivated for 3 months, obtaining mature leptonus larvae, namely turning the unbalanced liriopes parents out of shade for stimulation, naturally spitting seeds to obtain mature leptonus larvae, parasitizing the leptonus larvae by using the grass carps as host fishes, infecting the grass carps by using the leptonus larvae according to the proportion of 800-1000 fish/fish, cultivating the host fishes infected with the leptonus larvae by putting the grass carps at the density of 200-300/m < 3 > and putting the host fishes in water with the dissolved oxygen content not lower than 4mg/L, not feeding the host fishes during the young clam larva-shedding period, cultivating the grass carps and the young clams by 7-10 degree days after the larva, and obtaining young clams by seedling-shedding, and further cultivating the unbalanced liriopes to obtain young clams.
Preferably, the age of the Liriopsis imbalance parent selected in the parent selection and cultivation is 3-4, the shell length is 10-12 cm, the body weight is 100-200 g, and the Liriopsis imbalance parent selected has the characteristics of strong vitality, strong physique, no diseases and the like.
Preferably, the parent selection and breeding are performed, in autumn and winter, the imbalanced liriopes parents are put into a breeding pool according to the density of 10-20 seeds/m & lt 2 & gt, the water flow rate of the breeding pool is controlled to be 1-1.5T/h, the amino acid fertilizer water paste is applied to the breeding pool according to 400-500 g/mu every 10-20 days, the artificial breeding green algae is fed to the breeding pool according to 300-500L/7 days, the breeding is performed for 3-4 months, and after the imbalanced liriopes parents are bred for 3-4 months in a greenhouse, the imbalanced liriopes parents can reach the accumulated temperature requirement until the mature hooked larvae can be bred for 3 months in the next year.
Preferably, the mature leptosphaeria larvae are required to be obtained in the mature season of the Liriopsis imbalanced parent, the mature parent is selected to be dried in the shade for 1-2 hours, and then the mature parent is placed in clear water to naturally spit seeds for 5-8 hours; then taking out the parent, uniformly stirring the solution containing the leptosphaeria larvae, sieving the solution through a sieve of 100 to 200 meshes, and continuously washing the solution with clear water until obtaining clean leptosphaeria larvae.
Preferably, the grass carp selected in the hooke-medium larva parasitism has complete body surface, no injury, strong physique and strong vitality, the obtained clean hooke-medium larva is placed in a cleaned parasitism basin, clear water is added into the parasitism basin, the density of the hooke-medium larva is kept at 50000-80000 per liter, the grass carp is placed, and the time for infecting the hooke-medium larva by the host fish is controlled within 0.5-2 min according to the density of the hooke-medium larva.
Preferably, the cultivation of the young mussels after seedling removal in the cultivation of the young mussels after seedling removal specifically comprises the following steps: putting the young mussels into a nursery pond according to the density of 2-3 thousands/m < 2 > for stocking, wherein the flow rate of water in the nursery pond is 0.4-1T/h, and the flow rate is controlled to be slow in the early stage and fast in the later stage; in the cultivation process, the nutrient mud water is added according to the adding amount of 200-300 ml/m < 2 > at the early stage every day, and the nutrient mud is added according to the adding amount of 200-250 g/m < 2 > at the later stage every day.
Preferably, the ratio of the nutrient mud to water in the nutrient mud water is 30-40g 1L, the nutrient mud water is taken from the external river channel dried and crushed hard bottom mud, and the seedling raising pool is 3-4 m long, 1.5-2 m wide and 0.25-0.3 m high.
Preferably, the young mussels after seedling shedding and the young mussels are cultivated by soil pond cultivation or net cage hanging cultivation, and the soil pond cultivation specifically comprises the following steps: adopting a soil pond with the area of 2-3 mu, the pond depth of 0.8-1 m and 15-20 cm of loose soil filled in the soil pond, putting the young mussels into the soil pond according to the density of 150-200 per m & lt 2 & gt, and controlling the flow velocity of water flow to be 1-1.5T/h; the net cage hoisting specifically comprises the following steps: adopting a net cage with the length of 1.2-1.5 m, the width of 0.6-0.7 m and the height of 0.25-0.30 m, putting the young mussels into the net cage according to the density of 800-1000 mussels/m & lt 2 & gt, and then putting the net cage into an external river channel for self-culture.
Preferably, plastic paper is laid at the bottom of the net cage, and the upper part of the net cage is covered by a 3-5-mesh net sheet, so that young mussels are prevented from escaping and trash fish eat the young mussels; 10-15 cm of external river course loose soil is added into the net cage; the net cage is hung and cultured in the external river channel with rich biological bait.
The invention has the following beneficial effects:
1. the collected Liriopsis imbalanced parent is subjected to centralized culture, gonad development of the Liriopsis imbalanced parent artificially cultured for 3 months is completely mature, the Liriopsis imbalanced parent is rotated out and dried in the shade for stimulation, mature hook larvae are obtained through natural seed spitting, host fish is infected, the host fish is cultured, young mussels are uniformly cultured, in the whole breeding process, the maturation period of the Liriopsis imbalanced is kept uniform through an artificial ripening mode, and breeding efficiency is beneficially improved.
2. The method further perfects the breeding process of the young hyriopsis imbalance liriopes, digitalizes all technical parameters in the breeding process of the young hyriopsis imbalance liriopes, and lays a foundation for the large-scale breeding of the young hyriopsis imbalance liriopes, wherein the technical parameters comprise breeding and cultivation of parents, maturity identification of the larvae of the hyriopsis, acquisition of the larvae of the hyriopsis imbalance, control of the density of the parasitic larvae, addition of nutrient mud in the breeding process of the young hyriopsis imbalance liriopes, pool manipulation technology and the like.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall flow diagram of the breeding technology of the artificially matured Liriosa imbalanced in the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", "around", and the like, indicate an orientation or positional relationship for the convenience of description and simplicity of description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention relates to a breeding technique of artificially promoted ilex imbalances, which comprises: parent selection and cultivation, mature hook are said larva and are obtained, hook are said larva parasitize, infect hook and are said host fish of larva and breed and take off seedling back juvenile mussel and young mussel, and parent selection and cultivation need select the unbalance limussel parent of collection earlier, and the specification size is unified, places to breed in the cultivation pond of flowing water, cultivates the pond specification: 3.0mx 1.5mx 0.4m, a cultivation period of 3 months, periodically checking the development state of the unbalanced liriopes, feeding artificially cultivated green algae once every week, completely maturing gonads of the unbalanced liriopes parents artificially cultivated for 3 months, obtaining mature hooked larvae, namely turning the unbalanced liriopes parents out of shade for stimulation, naturally spitting seeds to obtain mature hooked larvae, parasitizing the hooked larvae, namely taking the grass carps as hosts, infecting the grass carps by the hooked larvae according to the proportion of 800-1000 fish/fish, cultivating host fishes infected with the hooked larvae, putting the grass carps at the density of 200-300/m < 3 >, putting the host fishes in water with the dissolved oxygen content not lower than 4mg/L, not feeding the host fishes during the young clam fry removal period, removing young clams and young clams after the young clams and the cultivated grass carps after the young clams are removed, namely, carrying out the young clams after the young clams are cultivated for 7-10 degrees days, and further obtaining the unbalanced liriopes.
Furthermore, the age of the Liriopsis imbalanced mussel parent selected in parent selection and cultivation is 3-4, the shell length is 10-12 cm, the body weight is 100-200 g, and the Liriopsis imbalanced mussel parent selected has the characteristics of strong vitality, strong physique, no diseases and the like.
Further, parent selection and parent cultivation in cultivation are carried out, in autumn and winter, the Liriosa imbalanced parents are thrown into a cultivation pool according to the density of 10-20 Liriosa imbalanced parents/m & lt 2 & gt, the water flow rate of the cultivation pool is controlled to be 1-1.5T/h, the amino acid fertilizer water paste is applied according to 400-500 g/mu every 10-20 days, the green algae is artificially cultivated once every 7 days according to 300-500L/pool, cultivation is carried out for 3-4 months, and after the Liriosa imbalanced parents are cultivated in a greenhouse for 3-4 months, the Liriosa imbalanced parents can reach the temperature accumulation requirement until mature hook larvae can be bred in the next 3 months.
Further, during the acquisition of mature leptosphaeria larvae, the acquisition of mature leptosphaeria larvae needs to be carried out in the mature season of the Liriosa unbalance parents, the mature parents are selected to be dried in the shade for 1-2 h, and then the mature parents are placed in clear water to naturally spit seeds for 5-8 h; then taking out the parent, uniformly stirring the solution containing the leptosphaeria larvae, sieving the solution through a sieve of 100 to 200 meshes, and continuously washing the solution with clear water until obtaining clean leptosphaeria larvae.
Furthermore, the grass carp selected in the hooke-medium larva parasitism has complete body surface, no injury, strong physique and strong vitality, the obtained clean hooke-medium larva is placed in a cleaned parasitism basin, clear water is added into the parasitism basin, the density of the hooke-medium larva is kept at 50000-80000 per liter, the grass carp is placed, and the time for infecting the hooke-medium larva by the host fish is controlled within 0.5-2 min according to the density of the hooke-medium larva.
Further, the cultivation of the young mussel after seedling removal and the young mussel after seedling removal in the cultivation of the young mussel is specifically as follows: young mussels are put into a nursery pond for stocking according to the density of 2-3 thousands/m < 2 >, the flow rate of water flow in the nursery pond is 0.4-1T/h, and the flow rate is controlled to be slow in the early stage and fast in the later stage; in the cultivation process, the nutrient mud water is added according to the adding amount of 200-300 ml/m < 2 > at the early stage every day, and the nutrient mud is added according to the adding amount of 200-250 g/m < 2 > at the later stage every day.
Furthermore, the ratio of the nutrient mud to the water in the nutrient mud is 30-40g (1L), the hard bottom mud is dried and crushed from the external river channel, the length of the seedling raising pool is 3-4 m, the width of the seedling raising pool is 1.5-2 m, and the height of the seedling raising pool is 0.25-0.3 m.
Further, the young mussels are cultivated in a soil pond or a net cage for hanging cultivation in the young mussels and the young mussels after seedling shedding, and the soil pond cultivation specifically comprises the following steps: adopting a soil pond with the area of 2-3 mu, the pond depth of 0.8-1 m and 15-20 cm of loose soil filled in the soil pond, putting young mussels into the soil pond according to the density of 150-200 per m & lt 2 & gt, and controlling the flow velocity of water flow to be 1-1.5T/h; the net cage hanging culture method specifically comprises the following steps: adopting a net cage with the length of 1.2-1.5 m, the width of 0.6-0.7 m and the height of 0.25-0.30 m, putting the young mussels into the net cage according to the density of 800-1000 mussels/m & lt 2 & gt, and then putting the net cage into an external river channel for self-culture.
Furthermore, plastic paper is laid at the bottom of the net cage, and the upper part of the net cage is covered by a 3-5-mesh net sheet, so that young mussels are prevented from escaping and trash fish eat the young mussels; 10-15 cm of external river loose soil is added into the net cage; the net cage is hung and cultured in the external river channel with rich biological bait.
Example two:
referring to fig. 1, the invention relates to an artificial ripening imbalance type Liriosa breeding technology, mature Hyriopsis cumingii larvae are obtained, parents in a breeding pool are taken out in the maturation season of the parents, mouth openers are used for slightly prying from the rear end to check the fullness and color of a nursery bag, and the parents with plump nursery bags and gray brown or dark brown color and brown stripes similar to striae gravidarum on the nursery bags are selected; cleaning the surfaces of the parents, prying the parents from the rear ends by using a mouth gag, puncturing a nursery sac by using a dissecting needle, finally sucking a small amount of leptomelatia larvae by using a suction pipe, placing the leptomelatia larvae under a microscope to observe the maturity and the vitality of the leptomelatia larvae, placing the parents with more than 80 percent of leptomelatia larvae, breaking membranes and high opening ratio in a pot in order, drying the parents in the shade for 1-2 hours, and then adding clear water to immerse the parents to naturally vomit seeds.
Example three:
referring to fig. 1, the unbalanced liriope mussel breeding technology for artificial ripening disclosed by the invention is characterized in that grass carp is used as a host fish for artificial breeding of unbalanced liriope mussel young mussels for the first time, the bred unbalanced liriope mussel young mussels are high in yield and greatly reduced in breeding cost, the bred young mussels are high in adaptability to the external environment and high in survival rate, meanwhile, the breeding technology of the unbalanced liriope mussel seedlings is further perfected, various technical parameters in the breeding process of the unbalanced liriope mussels are digitalized and comprise parent breeding and breeding, maturity identification of leptium larvae, obtaining of leptium larvae, seedling density control, nutrient mud adding and pond manipulating technology in the young mussel breeding process and the like, and a foundation is laid for large-scale breeding of the seedlings.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. An artificial ripening imbalance liriosa breeding technology is characterized by specifically comprising the following steps: parent selection and cultivation, mature leptocypris intervenia larva acquisition, leptocypris intervenia larva parasitization, and leptocypris intervenia larva infected host fish cultivation, and juvenile mussel and larva after seedling sheddingThe mussel is cultivated, parent selection and cultivation need select the unbalance liriosa parent of collection earlier, and the specification size is unified, places cultivating in the cultivation pond of flowing water, cultivates pond specification: 3.0mx 1.5mx 0.4m, the cultivation period is 3 months, the development state of the imbalanced hyriopsis cumingii is periodically checked during the cultivation period, green algae artificially cultivated once every week is fed, gonads of the imbalanced hyriopsis cumingii parents artificially cultivated for 3 months are completely developed and mature, the mature leptopodium larvae obtain the condition that the imbalanced hyriopsis cumingii parents are turned out and dried in the shade for stimulation, mature leptopodium larvae are obtained by naturally spitting seeds, the leptopodium larvae parasitize needs to use grass carps as host fishes, the leptopodium larvae are infected with the grass carps according to the proportion of 800-1000 fish/fish, and the cultivation of the host fishes infected with the leptopodium larvae needs to use the grass carps according to 200-300 fish/m 3 The method comprises the following steps of putting the host fish into water with dissolved oxygen content not lower than 4mg/L, not feeding the host fish during seedling removal, culturing young mussels and young mussels after seedling removal, namely culturing the grass fish for 7-10 days, then performing seedling removal to obtain young mussels, and further culturing the young mussels to obtain the imbalance liriosis mussel young mussels.
2. The artificial ripening imbalance liriosa breeding technology according to claim 1, wherein the technology comprises the following steps: the age of the Liriopsis imbalanced mussel parent selected in the parent selection and cultivation is 3-4, the shell length is 10-12 cm, the weight is 100-200 g, and the Liriopsis imbalanced mussel parent selected has the characteristics of strong vitality, strong physique, no diseases and the like.
3. The artificial ripening imbalance liriosa breeding technology according to claim 1, wherein the technology comprises the following steps: the parent selection and the parent cultivation in the cultivation are carried out in autumn and winter by 10-20 Liriosa unbalance parents per m 2 The density of the feed is controlled to be 1-1.5T/h, the water flow velocity of the culture pond is controlled to be 400-500 g/mu every 10-20 days, the amino acid fertilizer water paste is applied according to the ratio of 400-500 g/mu, the artificial culture green algae is fed into the culture pond once according to the ratio of 300-500L/mu every 7 days, the culture lasts for 3-4 months, and after the babylonia disequilibrium parent is cultured in a greenhouse for 3-4 months, the temperature accumulation requirement is met until the mature hook larvae can be bred in the next 3 months.
4. The artificial ripening imbalance liriosa breeding technology according to claim 1, wherein the technology comprises the following steps: in the mature leptosphaeria larva acquisition process, mature leptosphaeria larvae are required to be acquired in the mature season of the Liriopsis imbalanced mussel parent, the mature parent is selected to be dried in the shade for 1-2 hours, and then the mature parent is placed in clear water to naturally spit seeds for 5-8 hours; then taking out the parent, uniformly stirring the solution containing the leptosphaeria larvae, sieving the solution through a sieve of 100 to 200 meshes, and continuously washing the solution with clear water until obtaining clean leptosphaeria larvae.
5. The artificial ripening imbalance liriosa breeding technology according to claim 1, wherein the technology comprises the following steps: the method comprises the steps of selecting grass carps in the hooke-medium larva parasitism, enabling the body surfaces of the selected grass carps to be complete, free of damage, strong in physique and strong in activity, placing the obtained clean hooke-medium larvae into a cleaned parasitism basin, adding clear water into the parasitism basin, enabling the density of the hooke-medium larvae to be kept at 50000-80000 per liter, placing the grass carps, and controlling the time for infecting the hooke-medium larvae by the host fish to be within 0.5-2 min according to the density of the hooke-medium larvae.
6. The artificial ripening imbalance liriosa breeding technology according to claim 1, wherein the technology comprises the following steps: the cultivation of the young mussels after seedling shedding in the young mussels after seedling shedding and the cultivation of the young mussels after seedling shedding specifically comprises the following steps: the young mussels are arranged according to the ratio of 2-3 thousands per m 2 The density of the water is put into a seedling pool for stocking, the flow velocity of the water flow in the seedling pool is 0.4-1T/h, and the flow velocity is controlled to be slow in the early stage and fast in the later stage; in the process of cultivation, 200-300 ml/m is daily used in the early stage 2 The nutrient mud water is added in the amount of the mixture, and the later period is 200 to 250g/m per day 2 The nutrient mud is added into the additive amount of the fertilizer.
7. The artificial ripening imbalance liriosa breeding technology according to claim 6, wherein the technology comprises the following steps: the ratio of the nutrient mud to water in the nutrient mud water is 30-40g (1L), the nutrient mud water is taken from external river channels, dried and crushed hard bottom mud is dried, and the length of the seedling raising pond is 3-4 m, the width of the seedling raising pond is 1.5-2 m, and the height of the seedling raising pond is 0.25-0.3 m.
8. The artificial ripening imbalance liriosa breeding technology according to claim 1, characterized in that: the young mussels are cultivated in a soil pond or a net cage in the young mussel cultivation after seedling removal, and the soil pond cultivation specifically comprises the following steps: adopting a soil pond with the area of 2-3 mu, the depth of 0.8-1 m and 15-20 cm of loose soil filled in the soil pond, throwing the young mussels into the soil pond according to the density of 150-200 per m & lt 2 & gt, and controlling the flow velocity of water flow to be 1-1.5T/h; the net cage hoisting specifically comprises the following steps: adopting a net cage with the length of 1.2-1.5 m, the width of 0.6-0.7 m and the height of 0.25-0.30 m, putting the young mussels into the net cage according to the density of 800-1000 mussels/m & lt 2 & gt, and then putting the net cage into an external river channel for self-culture.
9. The artificial ripening imbalance liriosa breeding technology according to claim 8, wherein: plastic paper is laid at the bottom of the net cage, and the upper part of the net cage is covered by a 3-5-mesh net piece, so that young mussels are prevented from escaping and trash fishes are prevented from eating the young mussels; 10-15 cm of external river course loose soil is added into the net cage; the net cage is hung and cultured in an external river channel rich in biological bait.
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| CN112262797A (en) * | 2020-10-28 | 2021-01-26 | 安徽水韵环保股份有限公司 | Artificial breeding method of giant clam |
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| CN112262797A (en) * | 2020-10-28 | 2021-01-26 | 安徽水韵环保股份有限公司 | Artificial breeding method of giant clam |
| CN112535129A (en) * | 2020-11-25 | 2021-03-23 | 安徽水韵环保股份有限公司 | Breeding method of young ball-headed wedge mussels |
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