CN116158379A - Artificial domestication method for wild schizothorax prenanti - Google Patents
Artificial domestication method for wild schizothorax prenanti Download PDFInfo
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- 241001275865 Schizothorax prenanti Species 0.000 title description 2
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- 230000000384 rearing effect Effects 0.000 claims abstract description 17
- 238000002791 soaking Methods 0.000 claims abstract description 16
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- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 11
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Classifications
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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
-
- 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
- A01K61/13—Prevention or treatment of fish diseases
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- 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
-
- 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 artificially domesticating wild schizothorax grahami, which comprises the following steps of; A. collecting wild giant schizothorax; wild giant schizothorax bearing fish were caught in the brucella jelutarius Jiang Zhongyou main branch stream at 11, 12 and 1 month per year; B. performing domestication pretreatment on wild schizothorax crassipes; transporting the wild schizothorax beard to a germplasm resource field, and injecting florfenicol to prevent and treat bacterial infection before entering a temporary rearing pond; soaking in glacial acetic acid and hydrogen peroxide for 1 time and 3 times a day after entering into temporary culture pond for killing melon insects; in addition, the method is used for domesticating the wild schizothorax bearing fish with few outbreaks of bacterial diseases, parasitic diseases and saprolegniasis, and the domestication survival rate of more than 90 percent in 1 year, thereby laying a technical foundation for the domestication, the germplasm resource preservation and maintenance and the reasonable protection and utilization of germplasm resources of the schizothorax bearing fish.
Description
Technical Field
The invention relates to the field of wild schizothorax beaconifer culture, in particular to an artificial domestication method of wild schizothorax beaconifer.
Background
The schizothorax fish is the most important component of the Tibetan high-raw water ecological system and the biodiversity, and has important value in the aspects of maintaining the stability, the function and the safety of the Tibetan high-raw water ecological system; the giant schizothorax bearing fish is only distributed with Yu Yalu Tibetan cloth Jiang Zhongshang to dry, branch and accessory water bodies, is a special species in China, and is one of main economic fishes in Tibet areas; in recent decades, the natural resources of the giant schizothorax have been gradually reduced, the 2016 year is listed as the easily dangerous fish by the Chinese vertebrate red directory, and the 2021 year is listed as the national secondary protection fish by the national forestry and grassland bureau, and the agricultural rural department, so that the living germplasm resources of the giant schizothorax have to be saved.
The Chinese patent No. 201811601835.7 discloses an artificial breeding method for the Lhasa schizothorax, which adopts the method that tubificidae and salmon and trout feeds are uniformly mixed for domestication, the daily feeding amount is 2-6% of the weight of the fish, and the feeding is carried out for 2 times a day until the wild Lhasa schizothorax starts to ingest the feeds. By adopting the method for domesticating the giant schizothorax, the giant schizothorax fish does not ingest in the early stage, the rainbow trout feed is high-fat and high-protein feed, and the giant schizothorax fish is easy to spoil and spoil water deposited at the bottom of the culture pond, so that the fishes die.
After the existing wild giant schizothorax fish is artificially cultured after being caught, a large amount of death occurs, so that the function of expanding the quantity of the wild giant schizothorax fish is not achieved, and the quantity of the wild giant schizothorax fish is further reduced. Therefore, the survival rate of the existing artificial domestication mode is not high, the number of wild giant schizothorax crassipes cannot be increased, and meanwhile, a lot of manpower and material resources are wasted.
Disclosure of Invention
The invention aims to solve the technical problems and provides an artificial domestication method for wild giant schizothorax fish.
In order to achieve the above object, the present invention is realized by the following technical scheme;
the invention relates to a method for artificially domesticating wild schizothorax grahami, which comprises the following steps of;
A. collecting wild giant schizothorax;
wild giant schizothorax bearing fish were caught in the brucella jelutarius Jiang Zhongyou main branch stream at 11, 12 and 1 month per year;
B. performing domestication pretreatment on wild schizothorax crassipes;
transporting the wild schizothorax beard to a germplasm resource field, and injecting florfenicol to prevent and treat bacterial infection before entering a temporary rearing pond; soaking in glacial acetic acid and hydrogen peroxide for 1 time and 3 times a day after entering into temporary culture pond for killing melon insects; soaking in formalin, industrial salt and baking soda for 1 time and 3 times every day for killing parasites such as trichomonas and sterilizing fish, curing mechanical damage to fish during capturing or transportation, and preventing wound from nourishing mould;
C. wild schizothorax kidako is domesticated;
the wild schizothorax beard is transferred into a domestication pond after being injected with antibiotics, insecticidal, disinfected and wound treatment; intercropping 5-10% of koi, so as to shorten the food-training time; feeding euphausia superba, frozen blood worms and artificial compound feed for domestication, and feeding for 1 time a day; the daily feeding amount is 1% of the weight of the fish 7 days before feeding; after 7 days, according to the feeding condition of the domesticated fish, the feeding amount is increased, and the satiating feeding is realized; during the feeding training period, the industrial salt and baking soda are used every 7 days to prevent incurable wound infection and outbreak of saprolegniasis;
D. raising wild schizothorax beard after feeding;
feeding the wild giant schizothorax during 15-25 days, feeding the wild giant schizothorax in a group, and transferring the wild giant schizothorax into a breeding pond; feeding artificial compound feed for 1 time every day, wherein the daily feeding amount is 1.5-3% of the weight of the fish, and feeding the fish in a satiation way according to the feeding condition of the fish; the vitality of the fish body, whether the body surface nourishes the Saprolegnia and the ingestion condition of the fish are observed every day, and the abnormality occurs, so that pathological examination and treatment are carried out in time.
Further, the fishing adopts a ground cage to trap or a barbed wire to catch, the fishery winnings are collected in ground cage launching 12, and the fishery winnings are collected in barbed wire launching 2 hours, so that overlong time is prevented, and the fishes struggle on the ground cage or the barbed wire to cause mechanical damage.
Further, before the wild giant schizothorax fish enters the temporary rearing pond, the florfenicol concentration is 8-12mg/kg of fish body weight, and the wild giant schizothorax fish is injected intraperitoneally; 150mg/L MS-222 was used for anesthesia prior to injection.
Further, glacial acetic acid and hydrogen peroxide 1 are used after the wild giant schizothorax fish enters a temporary rearing pond: 3, diluting the mixture by 5000-10000 times after mixing, and carrying out medicated bath for 30-60 minutes; 1 time a day for 3 days.
Further, after the wild giant schizothorax fish is soaked by glacial acetic acid and hydrogen peroxide, water inflow is opened, and temporary culture water is replaced; after 30 minutes, the water inflow is turned off, and 15-30mg of formalin, 5-10kg of industrial salt and 0.8-1.5kg of baking soda are used for soaking for 12 hours in each cubic meter of water body, 1 time a day, and 3 times a day; the water inlet of the wild giant schizothorax fish is opened at the time except for the medicated bath, so that local running water impact is formed.
Further, the temporary culture pond of the wild giant schizothorax has the length of 1.5-2 meters, the width of 0.5-1 meter, the depth of 1.2-1.5 meters, the water depth of 0.4-0.6 meter and the water surface height above the pond surface of more than 0.8 meter; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; 2-3 nano oxygenation trays with the diameter of 0.3-0.4m are arranged in the temporary culture pond; the density of the wild giant schizothorax in the temporary culture pond is less than 30kg/m 2 。
Further, the wild giant schizothorax grahami domesticating pond is 5-10 m long, 2-4 m wide, 1.2-1.5 m deep, 0.4-0.6m deep, and the water surface is more than 0.8 m away from the pond surface; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; the domestication pond is provided with 4 to 6 nano oxygenation discs with the diameter of 0.4 to 0.5m; the domestication density of the giant schizothorax in the domestication pond is 10-15kg/m 2 20-50 grass goldfish are intercropped in each domesticated pond.
Further, the feed for the wild giant schizothorax fish is euphausia superba, frozen blood worms and artificial compound feed, the ratio of the euphausia superba to the frozen blood worms to the artificial compound feed is 1:4:5, the protein content of the artificial compound feed is 30-35%, and the fat content of the artificial compound feed is 6.5-8.5%.
Further, during the feeding training period of the wild schizothorax grahami, the industrial salt and baking soda are used for 1 time every 7 days, and 5-10kg of industrial salt and 0.8-1.5kg of baking soda are used for soaking for 12 hours in each cubic meter of water body; the area of the breeding pond of the wild schizothorax bearing fish is not less than 100m 2 The device has oxygenation facilities, is convenient to feed and discharge, can ensure that water is exchanged for 2-10 times per day, and the water inlet is provided with local water flow of 0.1-0.5 m/s.
Furthermore, the water used in the temporary raising pond, the domesticating pond and the breeding pond of the wild giant schizothorax crassipes is aerated underground water or clean water after disinfection, sterilization and parasite killing, the water temperature is 10.0-16.0 ℃, and the pH is 8.0-8.5.
The artificial domestication method of the wild giant schizothorax provided by the invention has the following beneficial effects:
1. the method can shorten the crowd ingestion time of the wild giant schizothorax to 15-25 days; in addition, the method is used for domesticating the wild schizothorax bearing fish with few outbreaks of bacterial diseases, parasitic diseases and saprolegniasis, and the domestication survival rate of more than 90 percent in 1 year, thereby laying a technical foundation for the domestication, the germplasm resource preservation and maintenance and the reasonable protection and utilization of germplasm resources of the schizothorax bearing fish.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings;
FIG. 1 is a schematic block diagram of the steps of a method for artificially domesticating wild schizothorax grahami.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiments of the present invention, all directional indicators (such as up-down-left-right-front-rear … …) are merely used to explain the relative positional relationship between the components, motion, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators correspondingly change, and the connection may be a direct connection or an indirect connection.
Referring to fig. 1, a method for artificial domestication of wild schizothorax grahami comprises the following steps;
A. collecting wild giant schizothorax;
wild giant schizothorax bearing fish were caught in the brucella jelutarius Jiang Zhongyou main branch stream at 11, 12 and 1 month per year;
B. performing domestication pretreatment on wild schizothorax crassipes;
transporting the wild schizothorax beard to a germplasm resource field, and injecting florfenicol to prevent and treat bacterial infection before entering a temporary rearing pond; soaking in glacial acetic acid and hydrogen peroxide for 1 time and 3 times a day after entering into temporary culture pond for killing melon insects; soaking in formalin, industrial salt and baking soda for 1 time and 3 times every day for killing parasites such as trichomonas and sterilizing fish, curing mechanical damage to fish during capturing or transportation, and preventing wound from nourishing mould;
C. wild schizothorax kidako is domesticated;
the wild schizothorax beard is transferred into a domestication pond after being injected with antibiotics, insecticidal, disinfected and wound treatment; intercropping 5-10% of koi, so as to shorten the food-training time; feeding euphausia superba, frozen blood worms and artificial compound feed for domestication, and feeding for 1 time a day; the daily feeding amount is 1% of the weight of the fish 7 days before feeding; after 7 days, according to the feeding condition of the domesticated fish, the feeding amount is increased, and the satiating feeding is realized; during the feeding training period, the industrial salt and baking soda are used every 7 days to prevent incurable wound infection and outbreak of saprolegniasis;
D. raising wild schizothorax beard after feeding;
feeding the wild giant schizothorax during 15-25 days, feeding the wild giant schizothorax in a group, and transferring the wild giant schizothorax into a breeding pond; feeding artificial compound feed for 1 time every day, wherein the daily feeding amount is 1.5-3% of the weight of the fish, and feeding the fish in a satiation way according to the feeding condition of the fish; the vitality of the fish body, whether the body surface nourishes the Saprolegnia and the ingestion condition of the fish are observed every day, and the abnormality occurs, so that pathological examination and treatment are carried out in time.
The fishing adopts a ground cage to trap or a barbed wire to catch, the caught fish is collected in ground cage water 12, and the caught fish is collected in barbed wire water 2 hours, so that overlong time is prevented, and the fish struggles on the ground cage or the barbed wire to cause mechanical damage.
Before the wild giant schizothorax fish enters the temporary rearing pond, the florfenicol concentration is 8-12mg/kg fish body weight, and the wild giant schizothorax fish is injected intraperitoneally; 150mg/L MS-222 was used for anesthesia prior to injection.
After the wild giant schizothorax fish enters a temporary rearing pond, glacial acetic acid and hydrogen peroxide 1:3, diluting the mixture by 5000-10000 times after mixing, and carrying out medicated bath for 30-60 minutes; 1 time a day for 3 days.
After the wild giant schizothorax fish is soaked by glacial acetic acid and hydrogen peroxide, water inflow is opened, and temporary culture water is replaced; after 30 minutes, the water inflow is turned off, and 15-30mg of formalin, 5-10kg of industrial salt and 0.8-1.5kg of baking soda are used for soaking for 12 hours in each cubic meter of water body, 1 time a day, and 3 times a day; the water inlet of the wild giant schizothorax fish is opened at the time except for the medicated bath, so that local running water impact is formed.
The temporary culture pond of the wild giant schizothorax has the length of 1.5-2 m, the width of 0.5-1 m, the depth of 1.2-1.5 m, the water depth of 0.4-0.6m and the water surface height of more than 0.8 m from the pond surface; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; 2-3 nano oxygenation trays with the diameter of 0.3-0.4m are arranged in the temporary culture pond; the density of the wild giant schizothorax in the temporary culture pond is less than 30kg/m 2 。
The wild giant schizothorax crassipes domesticating pond5-10 m long, 2-4 m wide, 1.2-1.5 m deep, 0.4-0.6m deep, and water surface is above 0.8 m from the pool surface; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; the domestication pond is provided with 4 to 6 nano oxygenation discs with the diameter of 0.4 to 0.5m; the domestication density of the giant schizothorax in the domestication pond is 10-15kg/m 2 20-50 grass goldfish are intercropped in each domesticated pond.
The feed for the wild giant schizothorax fish is euphausia superba, frozen blood worms and artificial compound feed, the proportion is 1:4:5, the protein content of the artificial compound feed is 30-35%, and the fat content is 6.5-8.5%.
During the feeding training period of the wild giant schizothorax, the industrial salt and sodium bicarbonate are used for 1 time every 7 days, and 5-10kg of industrial salt and 0.8-1.5kg of sodium bicarbonate are used for soaking for 12 hours in each cubic meter of water body; the area of the breeding pond of the wild schizothorax bearing fish is not less than 100m 2 The device has oxygenation facilities, is convenient to feed and discharge, can ensure that water is exchanged for 2-10 times per day, and the water inlet is provided with local water flow of 0.1-0.5 m/s.
The water used in the temporary raising pond, the domesticating pond and the breeding pond of the wild giant schizothorax crassipes is aerated underground water or clean water after disinfection, sterilization and parasite killing, and the water temperature is 10.0-16.0 ℃ and the pH is 8.0-8.5.
By adopting the scheme, when the method is used, a batch of wild giant schizothorax fish is caught by the national academy of sciences of the Tibetan autonomous region aquatic science and transported to a resource breeding base of the Yaruucanbujiang, 8-12mg/kg of fish body weight florfenicol (intraperitoneal injection) is injected, the fish is divided into juvenile fish (30-60 g), half adult fish (100-500 g) and adult fish (600-1500 g) according to the specification, and the juvenile fish, half adult fish (100-500 g) and adult fish are respectively put into 3 temporary culture ponds, diluted 5000-10000 times by using glacial acetic acid and hydrogen peroxide mixed (1:3) each day, and medicated bath is carried out for 30-60 minutes; soaking in 15-30mg formalin, 5-10kg industrial salt and 0.8-1.5kg sodium bicarbonate for 12 hr; the running water is impacted after the medicated bath. During the medicated bath of the temporary rearing pond, young fish, half adult fish and adult fish all die slightly.
After 3 days of continuous soaking, the giant-scale schizothorax fish with different specifications are respectively moved into domesticated ponds, 25 grass goldfish are intercropped in each domesticated pond, antarctic krill, frozen blood worms and artificial compound feed (floating materials) are used for domesticating, only grass goldfish ingests in the juvenile pond on the 1 st day, individual fish ingests together with the grass goldfish on the 2 nd day, and the grass goldfish ingests in the 7 th day. Only grass goldfish ingested by the half-adult fish pond on days 1-5, individual fish ingested along with grass goldfish on day 6, and the group ingested on day 15. Only grass goldfish ingested by the adult fish pond on days 1-7, individual fish ingested along with grass goldfish on day 8, and group ingested on day 25.
The domestication pond is used for domestication for about 7 days, a small part of fish wounds begin to nourish Saprolegnia (white hair visible at the wounds), 5-10kg of industrial salt and 0.8-1.5kg of baking soda are used for soaking for 12 hours in each cubic meter of water body, the Saprolegnia disappears the second time, and the wounds begin to heal. Young fish basically does not die during the feeding period, half adult fish dies a little, and adult fish dies relatively more.
After the young giant schizothorax, the semi-adult and the adult fish are ingested normally, the giant schizothorax and the semi-adult fish are transferred to a breeding fish culture pond (cement pond with the length of 30 meters, the width of 4 meters and the depth of 1.5 meters) for culture, and are fed with artificial compound feed (floating materials) for 1 time a day, wherein the daily feeding amount is 1.5-3 percent of the weight of the fish. And (3) culturing for 7 months, wherein a part of domesticated fish shows water mould, microscopic examination shows that body surface mucus has 2-10 wheel worms per lens under a 10-time mirror, and the fish is cured after being continuously soaked for 2 days by using a cupronickel reagent, industrial salt and baking soda, so that individual fish dies.
The survival rate of the young fish is 95%, the survival rate of the half adult fish is 86% and the survival rate of the adult fish is 79% after 1 year of cultivation.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (10)
1. An artificial domestication method of wild schizothorax beard, characterized in that; comprises the following steps of;
A. collecting wild giant schizothorax;
wild giant schizothorax bearing fish were caught in the brucella jelutarius Jiang Zhongyou main branch stream at 11, 12 and 1 month per year;
B. performing domestication pretreatment on wild schizothorax crassipes;
transporting the wild schizothorax beard to a germplasm resource field, and injecting florfenicol to prevent and treat bacterial infection before entering a temporary rearing pond; soaking in glacial acetic acid and hydrogen peroxide for 1 time and 3 times a day after entering into temporary culture pond for killing melon insects; soaking in formalin, industrial salt and baking soda for 1 time and 3 times every day for killing parasites such as trichomonas and sterilizing fish, curing mechanical damage to fish during capturing or transportation, and preventing wound from nourishing mould;
C. wild schizothorax kidako is domesticated;
the wild schizothorax beard is transferred into a domestication pond after being injected with antibiotics, insecticidal, disinfected and wound treatment; intercropping 5-10% of koi, so as to shorten the food-training time; feeding euphausia superba, frozen blood worms and artificial compound feed for domestication, and feeding for 1 time a day; the daily feeding amount is 1% of the weight of the fish 7 days before feeding; after 7 days, according to the feeding condition of the domesticated fish, the feeding amount is increased, and the satiating feeding is realized; during the feeding training period, the industrial salt and baking soda are used every 7 days to prevent incurable wound infection and outbreak of saprolegniasis;
D. raising wild schizothorax beard after feeding;
feeding the wild giant schizothorax during 15-25 days, feeding the wild giant schizothorax in a group, and transferring the wild giant schizothorax into a breeding pond; feeding artificial compound feed for 1 time every day, wherein the daily feeding amount is 1.5-3% of the weight of the fish, and feeding the fish in a satiation way according to the feeding condition of the fish; the vitality of the fish body, whether the body surface nourishes the Saprolegnia and the ingestion condition of the fish are observed every day, and the abnormality occurs, so that pathological examination and treatment are carried out in time.
2. The method for artificially domesticating wild schizothorax kidakii according to claim 1, wherein the method comprises the following steps: the fishing adopts a ground cage to trap or a barbed wire to catch, the caught fish is collected in ground cage water 12, and the caught fish is collected in barbed wire water 2 hours, so that overlong time is prevented, and the fish struggles on the ground cage or the barbed wire to cause mechanical damage.
3. The method for artificially domesticating wild schizothorax grahami according to claim 2, wherein the method comprises the following steps: before the wild giant schizothorax fish enters the temporary rearing pond, the florfenicol concentration is 8-12mg/kg fish body weight, and the wild giant schizothorax fish is injected intraperitoneally; 150mg/L MS-222 was used for anesthesia prior to injection.
4. A method for artificially domesticating wild schizothorax grahami according to claim 3, wherein the method comprises the following steps: after the wild giant schizothorax fish enters a temporary rearing pond, glacial acetic acid and hydrogen peroxide 1:3, diluting the mixture by 5000-10000 times after mixing, and carrying out medicated bath for 30-60 minutes; 1 time a day for 3 days.
5. The method for artificially domesticating wild schizothorax grahami according to claim 4, wherein the method comprises the following steps: after the wild giant schizothorax fish is soaked by glacial acetic acid and hydrogen peroxide, water inflow is opened, and temporary culture water is replaced; after 30 minutes, the water inflow is turned off, and 15-30mg of formalin, 5-10kg of industrial salt and 0.8-1.5kg of baking soda are used for soaking for 12 hours in each cubic meter of water body, 1 time a day, and 3 times a day; the water inlet of the wild giant schizothorax fish is opened at the time except for the medicated bath, so that local running water impact is formed.
6. The method for artificially domesticating wild schizothorax kidakii according to claim 5, wherein the method comprises the following steps: the temporary culture pond of the wild giant schizothorax has a length of 1.5-2 m, a width of 0.5-1 m, a depth of 1.2-1.5 m, a water depth of 0.4-0.6m, and waterThe height of the surface is more than 0.8 meter from the pool surface; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; 2-3 nano oxygenation trays with the diameter of 0.3-0.4m are arranged in the temporary culture pond; the density of the wild giant schizothorax in the temporary culture pond is less than 30kg/m 2 。
7. The method for artificially domesticating wild schizothorax kidakii according to claim 5, wherein the method comprises the following steps: the wild schizothorax beard domesticated pond is 5-10 m long, 2-4 m wide, 1.2-1.5 m deep, 0.4-0.6m deep, and the water surface is above 0.8 m from the pond surface; the temporary rearing pond is provided with a water inlet and a water outlet, and after the water inlet is opened, local water flow of 0.4-0.6m/s can be formed; the domestication pond is provided with 4 to 6 nano oxygenation discs with the diameter of 0.4 to 0.5m; the domestication density of the giant schizothorax in the domestication pond is 10-15kg/m 2 20-50 grass goldfish are intercropped in each domesticated pond.
8. The method for artificially domesticating wild schizothorax kidakii according to claim 5, wherein the method comprises the following steps: the feed for the wild giant schizothorax fish is euphausia superba, frozen blood worms and artificial compound feed, the proportion is 1:4:5, the protein content of the artificial compound feed is 30-35%, and the fat content is 6.5-8.5%.
9. The method for artificially domesticating wild schizothorax kidakii according to claim 5, wherein the method comprises the following steps: during the feeding training period of the wild giant schizothorax, the industrial salt and sodium bicarbonate are used for 1 time every 7 days, and 5-10kg of industrial salt and 0.8-1.5kg of sodium bicarbonate are used for soaking for 12 hours in each cubic meter of water body; the area of the breeding pond of the wild schizothorax bearing fish is not less than 100m 2 The device has oxygenation facilities, is convenient to feed and discharge, can ensure that water is exchanged for 2-10 times per day, and the water inlet is provided with local water flow of 0.1-0.5 m/s.
10. The method for artificially domesticating wild schizothorax kidakii according to claim 5, wherein the method comprises the following steps: the water used in the temporary raising pond, the domesticating pond and the breeding pond of the wild giant schizothorax crassipes is aerated underground water or clean water after disinfection, sterilization and parasite killing, and the water temperature is 10.0-16.0 ℃ and the pH is 8.0-8.5.
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