CN112219758A - Method for controlling sexual maturity of siganus oramin - Google Patents
Method for controlling sexual maturity of siganus oramin Download PDFInfo
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- CN112219758A CN112219758A CN202011117923.7A CN202011117923A CN112219758A CN 112219758 A CN112219758 A CN 112219758A CN 202011117923 A CN202011117923 A CN 202011117923A CN 112219758 A CN112219758 A CN 112219758A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
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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
Abstract
The invention discloses a method for controlling sexual maturity of siganus oramin, which comprises the following steps: in 12-1 month, transferring the siganus oramin parent fish to a constant temperature pool, controlling the water temperature to be 17-18.5 ℃ continuously, and transferring the parent fish in the constant temperature pool to a heating pool after 5 months; or collecting parent siganus oramin with gonadal degeneration after 6 months, feeding in a cooling pond, controlling the cooling amplitude at 0.8-1 deg.C/week, and after 4 months, continuously cooling to 16-18 deg.C, and keeping the water temperature not to decrease; and the fattened parent fish can be transferred to the warming pond from the warming pond in 10 months. In a heating pond, simulating the rise of natural water temperature, and simultaneously feeding high-protein parent fish feed and fresh algae daily, wherein the parent fish feed is mixed with vitamin E and vitamin C; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature.
Description
Technical Field
The invention relates to a method for controlling sexual maturity of siganus oramin.
Background
Siganus oramin (A)Siganus oramin) The siganus oramin fry is a plant-feeding marine aquaculture fish which is developed in the southeast coastal region of China in recent years, is rich in polyunsaturated fatty acid (HUFA), has tender meat, delicious taste, high nutritional value and short breeding period, and becomes a new large-scale aquaculture species actively recommended by marine aquaculture experts, but the full-artificial large-scale breeding of siganus oramin does not make a substantial breakthrough. In addition, the main breeding season of the siganus oramin coastal areas in China is 2-4 months in lunar calendar, in the bay sea areas in great asia, siganus oramin is concentrated in 3 months and is bred in the beginning of 5 months, the breeding window period is short and only about one month, in addition, in the summer with high temperature right in the breeding period of the bred siganus, the siganus guttatus has high stress at high temperature and low breeding survival rate, and the average breeding survival rate of experienced farmers in summer is not more than 30%.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for controlling sexual maturity of siganus oramin, which utilizes the sexual gland development rule of siganus oramin, and comprehensively controls the gonad development of siganus min by the combined means of controlling the culture water temperature and feed nutrition, adding gonadotropic development medicines and the like before the gonad development is started, thereby achieving the purpose of advancing or delaying sexual maturity.
The technical problem to be solved by the invention is realized by the following technical scheme:
a method of controlling siganus oralis sexual maturation, comprising the steps of:
transferring the parent fish of siganus oramin to a constant temperature pond in 12-1 month when the natural water temperature is 17-18.5 ℃, controlling the water temperature to be continuously 17-18.5 ℃, transferring the parent fish of the constant temperature pond to a heating pond when gonads of siganus guttatus begin to degenerate under natural conditions after 5 months, simulating the rise of the natural water temperature, and simultaneously changing daily fed feed into high-protein parent fish feed and feeding fresh algae in one season every day, wherein the parent fish feed is mixed with vitamin E and vitamin C; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature;
alternatively, the first and second electrodes may be,
collecting parent siganus oramin with gonadal degeneration after 6 months, feeding the parent siganus guttatus in a cooling pond, controlling the cooling amplitude at 0.8-1 ℃/week, properly increasing the feeding amount and the feeding frequency according to the ingestion condition of the parent siganus guttatus, and after 4 months, continuously reducing the water temperature to 16-18 ℃ and keeping the water temperature not to decrease; the fattened parent fish can be transferred to a temperature rising pool from the temperature lowering pool in 10 months, the rising of the natural water temperature is simulated, meanwhile, the daily fed feed is changed into the high-protein parent fish feed and fresh algae in one season is fed every day, wherein the vitamin E and the vitamin C are mixed in the parent fish feed; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature.
As a preferred embodiment of the method for controlling the sexual maturity of siganus oramin, the temperature rise range of the water in the temperature rise pool is controlled to be 0.8-1 ℃/week.
As a preferred embodiment of the method for controlling sexual maturity of siganus oramin provided by the present invention, the fresh algae is at least one of enteromorpha, gracilaria, kelp and laver.
In a preferred embodiment of the method for controlling sexual maturity of siganus oramin provided by the invention, uneaten algae in the fresh algae fed everyday are fished out on the day.
As a preferable embodiment of the method for controlling the sexual maturity of siganus oramin, the addition amount of vitamin E is 0.1-1 g/Kg, and the addition amount of vitamin C is 1-3 g/Kg.
In a preferred embodiment of the method for controlling sexual maturation of siganus oramin provided by the present invention, the high-protein parent fish feed is high-protein golden pompano feed.
As a preferred embodiment of the method for controlling the sexual maturity of siganus oramin provided by the present invention, the constant temperature pond, the cooling pond or the warming pond is a water pond of a recirculating aquaculture workshop.
As a preferable embodiment of the method for controlling the sexual maturity of siganus oramin, the illumination of a workshop is controlled to be consistent with the illumination conditions of fattening and breeding periods under natural conditions in a workshop pool.
As a preferred embodiment of the method for controlling the sexual maturity of siganus canaliculatus provided by the invention, the area of the water pool of the workshop is 20-50m2The height of the pond is 1-1.5m, and the bottom of the pond inclines towards the middle water outlet.
As a preferred embodiment of the method for controlling the sexual maturation of siganus canaliculatus provided by the invention, the inclination of the inclination is 6-10 degrees.
The invention has the following beneficial effects:
the research team accumulates certain achievements in the aspects of the siganus oramin cage culture technology and artificial breeding in recent years, develops a series of culture process flows and matched technical researches of siganus guttatus deep-water anti-wave cage trapping and fry receiving, wild parent fish lossless capturing and grabbing, artificial breeding, anesthesia transportation, feed selection and the like, and obtains the technical breakthroughs of siganus guttatus artificial breeding and large-scale fry culture. On the basis, the inventor provides a method for controlling sexual maturity of siganus oramin, which utilizes the sexual gland development rule of siganus oramin, and comprehensively controls the gonad development of siganimin by the combined means of controlling the culture water temperature and feed nutrition, adding gonadotropic development medicines and the like before the gonad development is started, thereby achieving the purpose of advanced or delayed sexual maturity.
Therefore, through the artificial intervention of the method, the gonads of the siganus oramin are advanced or delayed to develop and mature in the natural breeding season, so that the parent fishes with premature or late gonads are obtained, the cultivation survival rate can be improved in hot summer at high temperature, and higher cultivation benefits can be obtained by staggering concentration and marketing.
Detailed Description
Taking the bay sea area of the great asia as an example, under the artificial breeding condition of the bay sea area of the great asia (northern latitude 22.7 degrees), the natural breeding season of siganus oramin is concentrated at the end of 3 months to the beginning of 5 months, and natural mature siganus oramin parent fishes cannot be obtained in other seasons throughout the year, and through years of observation of the applicant on gonad development of siganus oramin in the sea area, the gonad development rule is found to be as follows: the starting period is 12-1 months at the water temperature of 17-18.5 ℃, the gonad at the time is generally stage II, when the water temperature rises to 19.5-21 ℃ in 2 months, the gonad further develops, the ovary is still in stage II, part of the spermary develops to stage III, when the water temperature is 20-21 ℃ at the beginning of 3 months, the ovary development starts to accelerate, about half of the individual develops to stage III, and reaches stage IV respectively, the spermary is mainly in stage IV, and partially develops to stage V, namely the maturing period, semen can be extruded, when the water temperature is 20.5-22 ℃ at the beginning of 4 months, the gonad development index (gonad weight/fish weight) reaches the maximum, the spermary basically develops to stage V, a small part of the ovary develops to mature, most of the ovary stays in stage III and stage IV, a small amount of water temperature is in stage II, when the water temperature is 24-25 ℃ at the beginning of 5 months, the gonad development index starts to reduce, completely mature individuals are not found, the, the gonads of immature individuals stop developing and start to degenerate, the water temperature is 26-27 ℃ at the beginning of 6 months, all the individual gonads degenerate to the second stage, the water temperature is 29-30.5 ℃ at the beginning of 7 months, the gonad keeps the second stage, the gonad development index is further reduced and is lower than the value at the beginning of 1 month, and the gonad development index of 7-11 months basically keeps a relatively stable level.
Based on the siganus oramin sexual gland development rule, the invention provides a method for controlling siganus oramin sexual maturity, which comprises the following steps:
the method comprises the following steps: transferring the parent fish of siganus oramin to a constant temperature pond in 12-1 month when the natural water temperature is 17-18.5 ℃, controlling the water temperature to be continuously 17-18.5 ℃, transferring the parent fish of the constant temperature pond to a heating pond when gonads of siganus guttatus begin to degenerate under natural conditions after 5 months, simulating the rise of the natural water temperature, and simultaneously changing daily fed feed into high-protein parent fish feed and feeding fresh algae in one season every day, wherein the parent fish feed is mixed with vitamin E and vitamin C; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature;
alternatively, the first and second electrodes may be,
the method 2 comprises the following steps: collecting parent siganus oramin with gonadal degeneration after 6 months, feeding the parent siganus guttatus in a cooling pond, controlling the cooling amplitude at 0.8-1 ℃/week, properly increasing the feeding amount and the feeding frequency according to the ingestion condition of the parent siganus guttatus, and after 4 months, continuously reducing the water temperature to 16-18 ℃ and keeping the water temperature not to decrease; the fattened parent fish can be transferred to a temperature rising pool from the temperature lowering pool in 10 months, the rising of the natural water temperature is simulated, meanwhile, the daily fed feed is changed into the high-protein parent fish feed and fresh algae in one season is fed every day, wherein the vitamin E and the vitamin C are mixed in the parent fish feed; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature.
The sex gland development of the siganus oramin is comprehensively controlled by utilizing the sex gland development rule of the siganus oramin, controlling the culture water temperature and feed nutrition, adding gonadotropic development medicines and other combined means before the sex gland of the siganus min starts to develop, so that the aim of advancing or delaying sexual maturity is fulfilled.
Therefore, the gonad development of the siganus oramin is controlled through manual intervention of the method, so that the gonad of the siganus oramin grows and matures in advance or in a delayed way in a natural breeding season, the parent fish with premature or late gonad is obtained, the high-temperature hot summer can be avoided, the culture survival rate can be improved, and the concentrated marketing can be staggered to obtain higher culture benefit.
The present invention will be described in detail with reference to examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Example 1
The embodiment provides a method for controlling sexual maturity of siganus canaliculatus, which specifically comprises the following steps: in 12-1 month with the natural water temperature of 17-18.5 ℃, transferring the parent fish to a transverse temperature pond, and controlling the water temperature to keep constant continuously, so that the gonad of the parent fish is in the II stage and stops or is delayed to enter a breeding period; after 5 months, when gonad of siganus oramin begins to degenerate under natural conditions, transferring the parent fish in the constant temperature pond to a heating pond, simulating the rise of natural water temperature, controlling the rise of the water temperature at 0.8-1 ℃/week, changing the daily fed feed into a high-protein parent fish feed (the protein content is controlled at 38-45%, the high-protein golden pompano feed on the market can be manually prepared or directly selected), mixing vitamin E (also called tocopherol, has the function of regulating the biosynthesis of steroid hormones in animal gonads, is one of the most important additives for the vitamin nutrition requirement of the parent fish) and vitamin C (enhancing the physique of the parent fish, improving the resistance and the quality of sperm eggs) in the feed, wherein the addition amount of the vitamin E is 0.1-1 g/Kg, the addition amount of the vitamin C is 1-3 g/Kg, and feeding fresh algae in one season every day simultaneously, such as Enteromorpha prolifera, Gracilaria verrucosa, kelp, laver and the like (the uneaten algae are fished out on the day to avoid water damage); after the siganus oramin is carefully raised in a heating pool for 5-6 weeks, the water temperature is raised to 22-23 ℃, at the moment, the gonads of most of parent fishes also develop to the VI stage, the artificial injection of hormone luteinizing hormone releasing hormone (LHRH-A2) and Human Chorionic Gonadotropin (HCG) is started for ripening, the gonads are generally raised for one week until the V stage reaches complete sexual maturity, at the moment, the hormone luteinizing hormone releasing hormone (LHRH-A2) and the Human Chorionic Gonadotropin (HCG) are injected again for induced spawning, and artificial insemination can be performed for 24-36 hours to obtain fertilized eggs, so that the delayed breeding of siganus oramin is realized, and late-maturing offspring seeds are supplied to the market. Wherein the ripening is generally carried out 7-10 days before induced spawning, the dosage is small during ripening, the injection amount of LHRH-A2 is 0.2-0.5 mu m/Kg parent fish weight, the injection amount of HCG is 300-500 units/Kg parent fish weight, the dosage is increased during induced spawning, the injection amount of LHRH-A2 is 2-3 mu m/Kg parent fish weight, and the injection amount of HCG is 1000-2000 units/Kg parent fish weight.
Wherein the constant temperature pond and the warming pond adopt circulating water cultureA workshop water pool. In a workshop pool, the illumination of the workshop is controlled to be consistent with the illumination conditions of the fattening and breeding period under natural conditions. The temperature control mode is that an air conditioner is installed in a workshop to control the room temperature, and a water temperature controller is installed in a system in the recirculating aquaculture to control the water temperature. The workshop pool is square and has an area of 20m2The height of the pond is 1m, and the bottom of the pond inclines towards a middle water outlet. The inclination of slope is 6, is convenient for the blowdown.
Example 2
The fish belongs to temperature-variable animals, gonad development of the fish depends on the change of water temperature, the gonad development of the siganus oramin basically stops in 7-11 months in the bay sea area under natural conditions, the water temperature is high, the bait is rich, the siganus guttatus fattening period is just the fattening period of the siganus guttatus, the fattening period is relatively long and is nearly 5 months due to limited sources of the bait under natural conditions, and the fattening period of the siganus guttatus can be shortened and enters the breeding period in advance through artificial temperature control and nutrition enhancement in the embodiment.
Specifically, the embodiment provides a method for controlling sexual maturity of siganus canaliculatus, which specifically comprises the following steps: collecting parent siganus oramin with degenerated gonads after 6 months, feeding the parent siganus guttatus in a cooling pond, controlling the cooling amplitude at 0.8-1 ℃/week, simultaneously properly increasing the feeding amount and the feeding times according to the ingestion condition of the parent siganus guttatus (the normal culture is that the parent siganus guttatus is fed for two tons every day, the strengthening period can be properly adjusted to 3-4 tons, the feeding amount is no longer taken as the standard, the times are more, the total feeding amount is naturally more in one day), after 4 months, continuously reducing the water temperature to 16-18 ℃, keeping the water temperature not to be reduced, and shortening the fattening period under the natural condition from 5-6 months to 3 months; in 10 months, fattened parent fishes can be transferred to a temperature rising pond from the temperature lowering pond, the rising of natural water temperature is simulated, the rising range of the water temperature is controlled to be 0.8-1 ℃/week, the daily feed is changed into high-protein parent fish feed (the protein content is controlled to be 38-45%, the feed can be manually prepared or can be directly selected from high-protein golden pompano feed on the market), vitamin E (also called tocopherol, has the function of regulating the biosynthesis of steroid hormones in animal gonads, is one of the most important additives for the vitamin nutrition requirement of the parent fishes) and vitamin C (can be used for enhancing the physique of the parent fishes and improving the resistance and the quality of refined eggs) are mixed in the feed, wherein the addition amount of the vitamin E is 0.1-1 g/Kg, the addition amount of the vitamin C is 1-3 g/Kg, and fresh algae such as enteromorpha sea weed, a gracilaria, kelp, laver and the like are fed every day (on the day without eating the algae, to avoid water damage); after the maculopathy fish is carefully bred in a heating pool for 5-6 weeks, the water temperature is raised to 22-23 ℃, at the moment, the gonads of most of parent fish are developed to the VI stage, the artificial injection of hormone luteinizing hormone releasing hormone (LHRH-A2) and Human Chorionic Gonadotropin (HCG) is started for ripening, the gonads are generally bred for one week until the V stage reaches complete sexual maturity, at the moment, the hormone luteinizing hormone releasing hormone (LHRH-A2) and the Human Chorionic Gonadotropin (HCG) are injected again for induced spawning, artificial insemination can be performed for 24-36 hours to obtain fertilized eggs, so that the early breeding of maculopathy fish is realized, and the early-maturing fingerlings are supplied to the market. Wherein the ripening is generally carried out 7-10 days before induced spawning, the dosage is small during ripening, the injection amount of LHRH-A2 is 0.2-0.5 mu m/Kg parent fish weight, the injection amount of HCG is 300-500 units/Kg parent fish weight, the dosage is increased during induced spawning, the injection amount of LHRH-A2 is 2-3 mu m/Kg parent fish weight, and the injection amount of HCG is 1000-2000 units/Kg parent fish weight.
Wherein the cooling pond and the heating pond adopt circulating water culture workshop ponds. In a workshop pool, the illumination of the workshop is controlled to be consistent with the illumination conditions of the fattening and breeding period under natural conditions. The temperature control mode is that an air conditioner is installed in a workshop to control the room temperature, and a water temperature controller is installed in a system in the recirculating aquaculture to control the water temperature. The workshop pool is square or round and has an area of 50m2The height of the pond is 1.5m, and the bottom of the pond inclines towards the middle drainage outlet. The inclination of the inclination is 10 degrees, so that pollution discharge is facilitated.
The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.
Claims (10)
1. A method for controlling sexual maturation of siganus canaliculatus, comprising the steps of:
transferring the parent fish of siganus oramin to a constant temperature pond in 12-1 month when the natural water temperature is 17-18.5 ℃, controlling the water temperature to be continuously 17-18.5 ℃, transferring the parent fish of the constant temperature pond to a heating pond when gonads of siganus guttatus begin to degenerate under natural conditions after 5 months, simulating the rise of the natural water temperature, and simultaneously changing daily fed feed into high-protein parent fish feed and feeding fresh algae in one season every day, wherein the parent fish feed is mixed with vitamin E and vitamin C; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature;
alternatively, the first and second electrodes may be,
collecting parent siganus oramin with gonadal degeneration after 6 months, feeding the parent siganus guttatus in a cooling pond, controlling the cooling amplitude at 0.8-1 ℃/week, properly increasing the feeding amount and the feeding frequency according to the ingestion condition of the parent siganus guttatus, and after 4 months, continuously reducing the water temperature to 16-18 ℃ and keeping the water temperature not to decrease; the fattened parent fish can be transferred to a temperature rising pool from the temperature lowering pool in 10 months, the rising of the natural water temperature is simulated, meanwhile, the daily fed feed is changed into the high-protein parent fish feed and fresh algae in one season is fed every day, wherein the vitamin E and the vitamin C are mixed in the parent fish feed; after raising in a temperature-rising pond for 5-6 weeks, raising the water temperature to 22-23 ℃, starting to manually inject luteinizing hormone releasing hormone and human chorionic gonadotropin, and raising for one week until gonads develop to be completely mature.
2. The method for controlling the sexual maturity of siganus oramin as claimed in claim 1, wherein the temperature rise range of the water in the warming pool is controlled to be 0.8-1 ℃/week.
3. The method for controlling sexual maturation of siganus canaliculatus according to claim 1, wherein the fresh algae is at least one of Enteromorpha prolifera, Gracilaria verrucosa, Laminaria japonica and Porphyra tenera.
4. The method of controlling siganus oralis according to claim 1, wherein uneaten algae in the fresh algae fed daily is fished out on the day.
5. The method for controlling sexual maturity of siganus canaliculatus according to claim 1, wherein the amount of vitamin E is 0.1-1 g/Kg, and the amount of vitamin C is 1-3 g/Kg.
6. The method of controlling sexual maturation of siganus oralis as claimed in claim 1, wherein the high protein parent fish feed is high protein golden pomfret feed.
7. The method for controlling siganus oralis sexually mature as claimed in claim 1, wherein the constant temperature pond, the cooling pond or the heating pond is a circulating water aquaculture workshop pond.
8. The method for controlling sexual maturation of siganus oramin as claimed in claim 7, wherein the lighting conditions of the workshop are controlled to be consistent with the lighting conditions of the fattening and reproductive stage under natural conditions in the workshop pool.
9. The method of controlling siganus oralis sexually mature as claimed in claim 7, wherein the workshop pool area is 20-50m2The height of the pond is 1-1.5m, and the bottom of the pond inclines towards the middle water outlet.
10. The method of controlling siganus oralis according to claim 9, wherein the inclination of the inclination is 6-10 °.
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| CN116941551A (en) * | 2023-08-25 | 2023-10-27 | 中国科学院水生生物研究所 | Temperature treatment method for inducing annual maturation of female carp of yellow river |
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