CN114158497A - Industrial mixed culture method for all-ecological stichopus japonicus and urechis unicinctus - Google Patents
Industrial mixed culture method for all-ecological stichopus japonicus and urechis unicinctus Download PDFInfo
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- CN114158497A CN114158497A CN202111469144.8A CN202111469144A CN114158497A CN 114158497 A CN114158497 A CN 114158497A CN 202111469144 A CN202111469144 A CN 202111469144A CN 114158497 A CN114158497 A CN 114158497A
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- 241000237921 Urechis unicinctus Species 0.000 title claims abstract description 98
- 241000965254 Apostichopus japonicus Species 0.000 title claims abstract description 91
- 238000012136 culture method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000004576 sand Substances 0.000 claims abstract description 31
- 238000003306 harvesting Methods 0.000 claims abstract description 14
- 241000195493 Cryptophyta Species 0.000 claims abstract description 9
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- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000009344 polyculture Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
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- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000007844 bleaching agent Substances 0.000 claims description 4
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- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000009287 sand filtration Methods 0.000 claims description 4
- 230000037406 food intake Effects 0.000 claims description 3
- 241000258161 Stichopus Species 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
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Classifications
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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
- A01K61/30—Culture of aquatic animals of sponges, sea urchins or sea cucumbers
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an all-ecological stichopus japonicus and urechis unicinctus industrialized mixed culture method, and relates to the technical field of aquaculture. The industrialized mixed culture method of the full-ecological stichopus japonicus and urechis unicinctus comprises the following steps: extracting external seawater, storing water with depth of 1 m, continuously aerating, adding Urechis unicinctus fry, adding large-sized Stichopus japonicus fry after sand submerging, and feeding artificially cultured unicellular algae, compound feed, etc., wherein the Stichopus japonicus mainly takes edible Urechis unicinctus metabolite and pond bottom bait. Aiming at the characteristics that the food habits of the stichopus japonicus and the urechis unicinctus are the same and the stichopus japonicus and the urechis unicinctus are different in adaptation to the inhabiting environment, the stichopus japonicus and the urechis unicinctus are subjected to ecological mixed culture, the culture conditions are easy to control, and the risk is small; the habitation spaces are complementary, the comprehensive utilization rate is high, and the bait cost is reduced; the industrial cultivation has short cultivation period, less diseases and high survival rate; the harvesting is convenient, the quality and the yield of the stichopus japonicus and the urechis unicinctus are improved, the market demand is met, and the culture benefit is stable.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to an all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method.
Background
Stichopus japonicus (Stichopus japonicus) is colloquially called "Sha Xun". The body length is 20-40 cm. Soft, cylindrical, black brown, yellow brown or grey white. The back surface is raised and has 4-6 irregularly arranged conical meat stabs with different sizes. The ventral surface is flat, and three rows of tubes are densely covered. The mouth is positioned at the front end and is provided with 20 general girth tentacles. The bones in the body wall degenerate into tiny bone fragments. It is fond of living under the rock of the sea bottom or among the algae clusters to do slow movement. Has the habit of sleeping in summer. When the water temperature is too high or turbid, the internal organs are often discharged from the anus, and the internal organs can be regenerated within about 2 months if the environment is suitable. The great yield of Dalian and Shandong coastal areas in North China. It is often made into dried product, which is a rare seafood. Artificial breeding has been developed.
Urechis unicinctus (Urechis unicinctus), common name: sea intestine and sea intestine are long cylindrical ring animals, have no burr and light yellow color. The sea intestines are not grown like naked sea cucumbers, and the nutritive value of the sea intestines is not inferior to that of the sea cucumbers. The individual is big, the length is about 100-300 mm, the width is about 25-27mm, the body surface is full of granular protrusions with different sizes, and the shape of the kiss cone is big; 1 pair of thick abdomen setae; there are 9-13 brown tail anal hair around anus. The benthos is distributed in Russia, Japan, Korea and Bohai gulf of China and the like, and is a common species of benthos in intertidal zone lower zone and subtidal zone shallow water zone along sea mud sand bank in northern China.
The aquatic animals have different adaptability and requirements for environmental conditions in different development stages, and in order to improve the survival rate and benefit of the aquaculture, different breeding modes are adopted for mixed breeding according to the specifications, namely the development characteristics, of the cultured animals and the physiological and ecological requirements of each stage. The small urechis unicinctus is directly placed into a pond to be cultivated into edible urechis unicinctus, the survival rate and the benefit are often lower, the accurate density is difficult to master, the blindness is very large, the industrial seedling raising and cultivating processes of stichopus japonicus are independently carried out, organic matters in water quality are overhigh due to fed baits, the pond is required to be turned over periodically for changing water, a large amount of manpower and material resources are wasted, the urechis unicinctus exists in sea sand bottom materials, the organic matter composition of the bottom materials can be changed, sulfides and the like are decomposed, the environment is purified, however, the wild quantity of the urechis unicinctus is very small, the growth region is limited, the yield of the urechis unicinctus is reduced year by year due to offshore water quality pollution, and the demand of the domestic consumption market can not be met far.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an all-ecological stichopus japonicus and urechis unicinctus industrial mixed culture method, and solves the problems that organic matters in water are too high due to fed baits in the process of industrial seedling culture and culture of stichopus japonicus, the pond is required to be changed periodically, a large amount of manpower and material resources are wasted, the yield of urechis unicinctus is reduced year by year due to offshore water pollution, and the requirement of domestic consumer markets cannot be met.
In order to achieve the purpose, the invention is realized by the following technical scheme: an industrial mixed culture method of full-ecological stichopus japonicus and urechis unicinctus comprises the following steps:
s1, using an idle factory seedling raising pool or an indoor culture pool, cleaning and disinfecting the culture pool with quick lime or bleaching powder, storing sea sand with the depth of 20-35cm, extracting external sea water, filtering large-sized particle impurities through a sand filter tank, directly injecting the filtered sea sand into a sand filter distribution pool, aerating, performing sand filtration and precipitation, then enabling the filtered sea sand to enter the culture pool, enabling the stored water to be 1 m deep, continuously aerating, putting urechis unicinctus seedlings, and putting large-sized stichopus japonicus seedlings after sand submerging;
s2, selecting stichopus japonicus with the weight of 40-80g and urechis unicinctus with the weight of 2-10g during feeding, wherein the water body meets the following conditions: the water temperature is 10-18 ℃, the salinity is 22 per mill to 31 per mill, the dissolved oxygen is 5.0mg/L, the pH value is 7.0-8.0, and the ammonia nitrogen is 0.2-0.5 mg/L; the composite microecological preparation is used for regulating and controlling water quality to reduce the content of the trinitrogen and sulfide, and other physical and chemical indexes all reach the standard of water for cultivation;
s3, feeding the compound feed or the unicellular algae special for the urechis unicinctus, wherein the daily feeding amount is 5-10% of the weight of the breeding stock according to the ingestion condition, and the feeding is carried out once every morning and evening;
s4, regulating and controlling water quality by using a microecological preparation, changing water once every 3 days, discharging while injecting, wherein the water injection and discharge amount respectively accounts for 50%, and the discharged tail water enters a biological filter through aeration, precipitation and degradation, and is discharged after reaching the discharge standard through the regulation and control of the microecological preparation;
s5, harvesting the stichopus japonicus and the urechis unicinctus, wherein the stichopus japonicus and the urechis unicinctus are harvested by adopting a method of catching big stichopus japonicus and small stichopus unicinctus, individuals with the specifications of 50 per kg are harvested from the beginning of 7 months, individuals with the specifications of the second stichopus japonicus are harvested successively from the bottom of 11 months, the urechis unicinctus is bred for 7-8 months, and the individuals with the specifications of commodities are harvested successively from the last ten days of 11 months.
Preferably, the culture pond is far away from the river mouth and has no pollution.
Preferably, the large-size stichopus japonicus seedling mainly considers that the stichopus japonicus disease is more than that of urechis unicinctus, the urechis unicinctus has high sensitivity to drugs, and the drugs are strictly forbidden in the whole culture process.
Preferably, the urechis unicinctus feeding requirement is as follows: the putting time is 4-5 months, and the putting density is 100-; the stichopus japonicus feeding requirement is as follows: the feeding density is 15-30 per square meter, the feeding time is 4-5 months, and the stichopus japonicus is fed 4-6 days after the urechis unicinctus is fed.
Preferably, the method for harvesting the stichopus japonicus and the urechis unicinctus comprises the steps of manually picking up the stichopus japonicus and the urechis unicinctus by using clean pond water, wherein the weight of the harvested stichopus japonicus is 220g, and the weight of the harvested urechis unicinctus is 40-70 g.
Preferably, the urechis unicinctus and the stichopus japonicus ingest algae, organic detritus, humus and the like in water, and have the functions of filtering water and purifying water quality, so that the tail water discharge of the culture pond is reduced by more than 50%.
The invention provides an all-ecological stichopus japonicus and urechis unicinctus industrialized mixed culture method. The method has the following beneficial effects:
1. aiming at the problems that the organic matters in water quality are too high due to the fed baits in the process of separately carrying out industrial seedling raising and breeding of the stichopus japonicus, the pond is periodically required to be turned over for water changing, a large amount of manpower and material resources are wasted, the yield of the urechis unicinctus is reduced year by year due to the offshore water quality pollution, and the requirement of domestic consumer markets can not be met, the method for industrially mixed culturing of the full-ecological stichopus japonicus and the urechis unicinctus is provided. In the culture pond, the stichopus japonicus lives on sand at the bottom layer of a water body and mainly ingests algae, organic debris, humus and the like in water; the urechis unicinctus lives in underwater submerged sand, not only eats compound feed, but also eats organic debris and humus in water. The stichopus japonicus is mixedly cultured in the pond for culturing the urechis unicinctus without specially feeding the stichopus japonicus, and the excrement of the urechis unicinctus is fermented and decomposed at the bottom, so that nutrition can be provided for the proliferation of algae, the propagation of the algae is promoted, a part of natural bait is provided for the stichopus japonicus, the feed feeding amount is reduced, and a recyclable production mode is formed.
2. According to the invention, the stichopus japonicus and the urechis unicinctus are subjected to ecological mixed culture by aiming at the characteristics that the feeding habits of the stichopus japonicus and the urechis unicinctus are the same and the different adaptation characteristics to the inhabiting environment, the culture conditions are easy to control and the risk is small; the habitation spaces are complementary, the comprehensive utilization rate is high, and the bait cost is reduced; the industrial culture is adopted, the culture period is short, the urechis unicinctus disease caused by the virus in the water body can be effectively prevented, the disease is less, and the survival rate is high; the harvesting is convenient, the quality and the yield of the stichopus japonicus and the urechis unicinctus are improved, the market demand is met, and the culture benefit is stable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
The first embodiment is as follows:
the embodiment of the invention provides an all-ecological stichopus japonicus and urechis unicinctus industrialized mixed culture method, which comprises the following steps:
s1, using an idle factory seedling raising pool or an indoor culture pool, cleaning and disinfecting the culture pool with quick lime or bleaching powder, storing sea sand with the depth of 20cm, extracting external sea water, filtering large-sized particle impurities through a sand filter tank, directly injecting the filtered sea sand into a sand filter distribution pool, aerating, performing sand filtration and precipitation, then enabling the filtered sea sand to enter the culture pool, storing water with the depth of 1 m, continuously aerating, putting urechis unicinctus seedlings, and putting large-sized stichopus japonicus seedlings after sand submerging.
S2, selecting stichopus japonicus with the weight of 40g during feeding, selecting urechis unicinctus with the weight of 8g, and meeting the following conditions in water: the water temperature is 10 ℃, the salinity is 31 per thousand, the dissolved oxygen is 5mg/L, the pH value is 8.0, and the ammonia nitrogen is 0.5 mg/L; meets different environmental adaptation requirements of the urechis unicinctus participated by the spurs.
S3, feeding the urechis unicinctus once every 6 o 'clock in the morning and 6 o' clock in the evening, wherein the daily feeding amount is 5 percent of the weight of the urechis unicinctus according to the ingestion condition; provides the most suitable growth conditions for urechis unicinctus and stichopus japonicus, improves the quality and the yield of the stichopus japonicus, is full-ecological to be fed, and avoids the environmental pollution.
S4, regulating and controlling water quality by using a microecological preparation, changing water once every 3 days, discharging while injecting, wherein the water injection and discharge amount respectively accounts for 50%, and the discharged tail water enters a biological filter through aeration, precipitation and degradation, and is discharged after reaching the discharge standard through the regulation and control of the microecological preparation;
s5, harvesting the stichopus japonicus and the urechis unicinctus by catching big and small. The first batch of stichopus japonicus starts to harvest 50 individuals per kg at the beginning of 7 months, and the second batch of stichopus japonicus starts to harvest successively at the bottom of 11 months. The urechis unicinctus is cultivated for 8 months, and the individuals meeting the commodity specification are harvested from 11 last ten days. After standing for 1 day, the water was drained off completely. Sea sand is continuously stored, so that the key period is conveniently filled, and a recyclable production mode is formed.
The breeding pond needs to be far away from a river mouth and is pollution-free, the breeding pond is full-ecological, the environmental pollution is avoided, the growth requirements of urechis unicinctus and stichopus japonicus are met, the survival rate and the quality yield of the urechis unicinctus are improved, and the feeding requirement of the urechis unicinctus is as follows: the throwing time is 4 months and 1 day, and the throwing density is 100 per square meter; the stichopus japonicus feeding requirement is as follows: the feeding density is 25 per square meter, the feeding time is 4 months and 5 days, and the stichopus japonicus is fed 4 days after the urechis unicinctus is fed. Reasonably controlling the seedling and culture density and accelerating the growth speed of two aquaculture varieties. The harvesting method of stichopus japonicus and urechis unicinctus comprises the steps of manually picking up the stichopus japonicus by using clean pond water, wherein the weight of the harvested stichopus japonicus is 220g, and the weight of the harvested urechis unicinctus is 40-70 g. After the water is discharged, stichopus japonicus and urechis unicinctus can be directly adopted, and the collection is convenient.
Example two:
the embodiment of the invention provides an all-ecological stichopus japonicus and urechis unicinctus industrialized mixed culture method, which comprises the following steps:
s1, manually excavating or reconstructing the existing ginseng pond into a culture pond, cleaning and disinfecting the culture pond with quick lime or bleaching powder, storing sea sand with the depth of 35cm, extracting external sea water, filtering large-sized particle impurities through a sand filter tank, directly injecting the sea sand into a sand filter distribution pond, aerating, performing sand filtration and precipitation, then enabling the sea sand to enter the culture pond, storing the water with the depth of 1 m, continuously aerating, putting urechis unicinctus seedlings into the pond, and putting the large-sized stichopus japonicus seedlings into the pond after the urechis unicinctus seedlings submerge the sand.
S2, selecting stichopus japonicus with the weight of 30g and urechis unicinctus with the weight of 10g during feeding, wherein the water body meets the following conditions: the water temperature is 15 ℃, the salinity is 22 per mill, the dissolved oxygen is 8.0mg/L, the pH value is 7.0, and the ammonia nitrogen is 0.2 mg/L; meets different environmental adaptation requirements of the urechis unicinctus participated by the spurs.
S3, feeding the urechis unicinctus at 6 am and 6 pm once every day according to the feeding condition, wherein the daily feeding amount of the urechis unicinctus is 10% of the weight of the urechis unicinctus; provides the most suitable growth conditions for urechis unicinctus and stichopus japonicus, improves the quality and the yield of the stichopus japonicus, is full-ecological to be fed, and avoids the environmental pollution.
S4, regulating and controlling water quality by using a microecological preparation, changing water once every 4 days, discharging while injecting, wherein the water injection and discharge amount respectively accounts for 50%, and the discharged tail water enters a biological filter through aeration, precipitation and degradation, and is discharged after reaching the discharge standard through the regulation and control of the microecological preparation;
s5, harvesting the stichopus japonicus and the urechis unicinctus by catching big and small. The first batch of stichopus japonicus starts to harvest 50 individuals per kg at the beginning of 7 months, and the second batch of stichopus japonicus starts to harvest successively at the bottom of 11 months. The urechis unicinctus is cultivated for 8 months, and the individuals meeting the commodity specification are harvested from 11 last ten days. After standing for 1 day, the water was drained off completely. Sea sand is continuously stored, so that the key period is conveniently filled, and a recyclable production mode is formed.
The breeding pond needs to be far away from a river mouth and is pollution-free, the breeding pond is full-ecological, the environmental pollution is avoided, the growth requirements of urechis unicinctus and stichopus japonicus are met, the survival rate and the quality yield of the urechis unicinctus are improved, and the feeding requirement of the urechis unicinctus is as follows: the throwing time is 4 months and 10 days, and the throwing density is 80 per square meter; the stichopus japonicus feeding requirement is as follows: the feeding density is 30 per square meter, the feeding time is 4 months and 15 days, and the stichopus japonicus is fed 4 days after the urechis unicinctus is fed. Reasonably controlling the seedling and culture density and accelerating the growth speed of two aquaculture varieties. The method for harvesting the stichopus japonicus and the urechis unicinctus comprises the steps of manually picking up the stichopus japonicus by using clean pond water, wherein the weight of the harvested stichopus japonicus is 240g, and the weight of the harvested urechis unicinctus is 50-75 g. After the water is discharged, stichopus japonicus and urechis unicinctus can be directly adopted, and the collection is convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An all-ecological stichopus japonicus and urechis unicinctus industrialized mixed culture method is characterized by comprising the following steps: the method comprises the following steps:
s1, using an idle factory seedling raising pool or an indoor culture pool, cleaning and disinfecting the culture pool with quick lime or bleaching powder, storing sea sand with the depth of 20-35cm, extracting external sea water, filtering large-sized particle impurities through a sand filter tank, directly injecting the filtered sea sand into a sand filter distribution pool, aerating, performing sand filtration and precipitation, then enabling the filtered sea sand to enter the culture pool, enabling the stored water to be 1 m deep, continuously aerating, putting urechis unicinctus seedlings, and putting large-sized stichopus japonicus seedlings after sand submerging;
s2, selecting stichopus japonicus with the weight of 40-80g and urechis unicinctus with the weight of 2-10g during feeding, wherein the water body meets the following conditions: the water temperature is 10-18 ℃, the salinity is 22 per mill to 31 per mill, the dissolved oxygen is 5.0mg/L, the pH value is 7.0-8.0, and the ammonia nitrogen is 0.2-0.5 mg/L; the composite microecological preparation is used for regulating and controlling water quality to reduce the content of the trinitrogen and sulfide, and other physical and chemical indexes all reach the standard of water for cultivation;
s3, feeding the compound feed or the unicellular algae special for the urechis unicinctus, wherein the daily feeding amount is 5-10% of the weight of the breeding stock according to the ingestion condition, and the feeding is carried out once every morning and evening;
s4, regulating and controlling water quality by using a microecological preparation, changing water once every 3 days, discharging while injecting, wherein the water injection and discharge amount respectively accounts for 50%, and the discharged tail water enters a biological filter through aeration, precipitation and degradation, and is discharged after reaching the discharge standard through the regulation and control of the microecological preparation;
s5, harvesting the stichopus japonicus and the urechis unicinctus, wherein the stichopus japonicus and the urechis unicinctus are harvested by adopting a method of catching big stichopus japonicus and small stichopus unicinctus, individuals with the specifications of 50 per kg are harvested from the beginning of 7 months, individuals with the specifications of the second stichopus japonicus are harvested successively from the bottom of 11 months, the urechis unicinctus is bred for 7-8 months, and the individuals with the specifications of commodities are harvested successively from the last ten days of 11 months.
2. The all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method according to claim 1, which is characterized in that: the culture pond needs to be far away from the river mouth and has no pollution.
3. The all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method according to claim 1, which is characterized in that: according to the large-size stichopus japonicus seedling, the problem that stichopus japonicus diseases are more than urechis unicinctus, the urechis unicinctus is highly sensitive to drugs, and the drugs are strictly forbidden in the whole culture process is mainly considered.
4. The all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method according to claim 1, which is characterized in that: the urechis unicinctus feeding requirement is as follows: the putting time is 4-5 months, and the putting density is 100-; the stichopus japonicus feeding requirement is as follows: the feeding density is 15-30 per square meter, the feeding time is 4-5 months, and the stichopus japonicus is fed 4-6 days after the urechis unicinctus is fed.
5. The all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method according to claim 1, which is characterized in that: the harvesting method of stichopus japonicus and urechis unicinctus comprises the steps of manually picking up the stichopus japonicus by using clean pond water, wherein the weight of the harvested stichopus japonicus is 220g, and the weight of the harvested urechis unicinctus is 40-70 g.
6. The all-ecological stichopus japonicus and urechis unicinctus industrial polyculture method according to claim 1, which is characterized in that: the urechis unicinctus and the stichopus japonicus ingest algae, organic debris, humus and the like in water, have the functions of filtering water and purifying water quality, and reduce the discharge of tail water of the culture pond by over 50 percent.
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Citations (3)
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| CN103478026A (en) * | 2013-08-27 | 2014-01-01 | 青岛恒生源生态农业有限公司 | Technology for mixed culture of stichopus japonicus and urechis unicinctus |
| CN112136733A (en) * | 2020-08-17 | 2020-12-29 | 大连市现代农业生产发展服务中心 | Industrialized three-dimensional ecological breeding method for stichopus japonicus and urechis unicinctus |
| CN112673998A (en) * | 2020-12-25 | 2021-04-20 | 烟台市海洋经济研究院(烟台市海洋科学技术研究所、烟台市渔业技术推广站、烟台市水生动物疫病防控中心) | Cyclic cultivation method for stichopus japonicus and urechis unicinctus |
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| CN112673998A (en) * | 2020-12-25 | 2021-04-20 | 烟台市海洋经济研究院(烟台市海洋科学技术研究所、烟台市渔业技术推广站、烟台市水生动物疫病防控中心) | Cyclic cultivation method for stichopus japonicus and urechis unicinctus |
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