CN114391493A - Method for catching micropterus salmoides - Google Patents
Method for catching micropterus salmoides Download PDFInfo
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- CN114391493A CN114391493A CN202111544106.4A CN202111544106A CN114391493A CN 114391493 A CN114391493 A CN 114391493A CN 202111544106 A CN202111544106 A CN 202111544106A CN 114391493 A CN114391493 A CN 114391493A
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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
- 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
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
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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 catching micropterus salmoides, which comprises the steps of detecting the water quality of a pond 5-7 days before fishing out the micropterus salmoides, keeping the dissolved oxygen content of water quality indexes not lower than 5mg/L, ammonia nitrogen lower than 0.5mg/L and nitrite lower than 0.3mg/L, and if the water quality indexes are unqualified, adjusting the water quality; 3-4 days before fishing out the fish, splashing the compound potassium hydrogen persulfate in the whole pond to change the bottom, and stopping feeding the feed; sprinkling anti-stress preparation and detoxifying preparation in the whole pond 2-3 hours before fishing out the fish; after the purse net is fished, the anti-stress preparation is splashed into the purse net in time, the purse net is kept stand for a period of time, and then fishes are weighed to finish fishing. The micropterus salmoides catching method provided by the invention can effectively prevent the spasm phenomenon of micropterus salmoides during high-temperature catching, can enable the micropterus salmoides to successfully output fish during high-temperature catching, can reduce dead fish after catching and scraping, improves the culture benefit, and the catching loss is only about 0.2%.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a method for catching micropterus salmoides.
Background
The original large-mouth black bass of the micropterus salmoides belongs to the order of Perciformes, belongs to the family of Taiyang fishes, originally produces the American California Missippi river system, and is increasingly popular with farmers and consumers due to fresh meat quality, no muscle prick, strong disease resistance, rapid growth, easy capture and wide temperature adaptability, and the national annual output of the micropterus salmoides exceeds 50 million tons according to incomplete statistics. With the maturity of the micropterus salmoides feed technology, the breeding areas spread from the bead triangle to the whole country, and the breeding areas of Jiangsu, Zhejiang, Sichuan, Guizhou and the like are gradually enlarged to become the fifth major Chinese fish.
The highest output is in the Kyowa region at present, the annual output can reach 20 ten thousand tons, and the Kyowa region is the largest main production region in China. In recent years, in a high-temperature period (6-10 months), the price of the micropterus salmoides is high, the income of farmers is ideal, and the income per mu is 2-6 ten thousand yuan, so that the farmers who breed anti-season fries are more and more caught in the next 6-10 months, but in the catching process, the micropterus salmoides often have spasm symptoms, so that the micropterus salmoides cannot be caught and harvested in time, a large number of dead fishes and the like occur, and the problem becomes the difficulty of catching the micropterus salmoides farmers in the high-temperature period.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the method for catching the micropterus salmoides can prevent spasm from occurring in the process of catching the micropterus salmoides at a high temperature, effectively solve the problem of catching the micropterus salmoides and greatly improve the safety coefficient of the fish.
According to one aspect of the invention, the method for catching the micropterus salmoides comprises the following steps:
s1: 5-7 days before fishing out the fish, detecting the water quality of the pond, and keeping the water quality index dissolved oxygen not less than 5mg/L, ammonia nitrogen less than 0.5mg/L and nitrite less than 0.3mg/L, if the water quality index is unqualified, adjusting the water quality;
s2: 3-4 days before fishing out the fish, splashing the compound potassium hydrogen persulfate in the whole pond to change the bottom, and stopping feeding the feed;
s3: sprinkling anti-stress preparation and detoxifying preparation in the whole pond 2-3 hours before fishing out the fish;
s4: after the purse net is fished, the anti-stress preparation is splashed into the purse net in time, the purse net is kept stand for a period of time, and then fishes are weighed to finish fishing.
In some embodiments of the present invention, in step S1, the water quality adjusting method comprises the following steps: changing water in the pond 1/4-1/3, and sprinkling sodium percarbonate and a water quality regulating preparation in the whole pond for two consecutive days, wherein the usage amount of the sodium percarbonate is 0.5-1 kg/mu.m, and the active oxygen content of the sodium percarbonate is 10-12%.
In some embodiments of the present invention, in step S1, the water quality control agent is used in an amount of 0.5-1 kg/mu-meter, and the water quality control agent is composed of the following components in parts by weight: 20-30 parts of bacillus subtilis, 30-40 parts of lactobacillus, 10-20 parts of rice bran meal, 0.5-1 part of protease preparation and the balance of cane molasses for supplementing to 100 parts in total.
In some embodiments of the invention, in step S2, the potassium monopersulfate complex is used in an amount of 0.5 to 1 kg/mu m, and the potassium monopersulfate complex is present in an amount of 15 to 20%.
In some embodiments of the present invention, in step S3, the anti-stress agent is used in an amount of 1-1.5 kg/mu-meter, and the anti-stress agent is composed of the following components in parts by weight: 20-30 parts of vitamin C, 30-40 parts of taurine, 10-15 parts of gamma-aminobutyric acid and the balance of Chinese herbal medicine preparation, wherein the Chinese herbal medicine preparation is at least one of liquorice or houttuynia cordata, and the balance is made up to 100 parts in total.
In some embodiments of the present invention, in step S3, the detoxification formulation is used in an amount of 1-1.5 kg/mu-meter, and the detoxification formulation comprises the following components in parts by weight: 20-30 parts of vitamin C, 40-50 parts of anhydrous glucose and 30-40 parts of a stabilizer. Further, the stabilizer is magnesium chloride.
In some embodiments of the present invention, the method of sprinkling the anti-stress agent and the detoxification agent in step S3 is as follows: the anti-stress preparation and the detoxification preparation are firstly put into 150-200kg pond water, and are uniformly mixed and then uniformly sprinkled in the whole pond.
In some embodiments of the invention, in step S4, the seine has a width of 2-2.5 meters and a length of 20-30 meters.
In some embodiments of the present invention, in step S4, the anti-stress agent is used in an amount of 1-1.5kg per ten thousand kilograms of fish.
In some embodiments of the invention, the standing time in step S4 is 20 to 30 minutes.
According to a preferred embodiment of the present invention, at least the following advantages are provided:
1. the micropterus salmoides catching method provided by the invention can effectively prevent the spasm phenomenon of micropterus salmoides during high-temperature catching, can enable the micropterus salmoides to successfully produce fish during high-temperature catching, can reduce dead fish after catching and scraping the fish, and improves the culture benefit. Through actual use tests of breeding, the results show that the fishing method of the invention can effectively prevent the phenomenon of spasm of micropterus salmoides, and the fishing loss is only about 0.2%.
2. Preferably, 5 to 7 days before fishing, the sodium percarbonate tablets are splashed to increase the dissolved oxygen in water and promote the reduction of the content of ammonia nitrogen and nitrite in the water; the water quality regulating preparation is rich in beneficial microorganisms such as bacillus subtilis, lactobacillus and the like, can decompose nitrogen sources such as excrement, residual bait and the like, and controls the generation of ammonia nitrogen and nitrite, so that the content of the ammonia nitrogen and the nitrite is reduced, and the toxic effect on micropterus salmoides is reduced. 3-4 days before fishing out the fish, the compound potassium hydrogen persulfate tablets are splashed in the whole pond, the bottom of the pond is improved, the situation that the net is scraped to turn back to the bottom and toxic and harmful substances are released is prevented. 2-3 hours before fishing out the fish, sprinkling anti-stress agent and detoxifying agent in the whole pond, reducing the toxin in the pond, calming the fish, stabilizing the physiological function of the fish, supplementing the energy of the fish body and improving the anti-stress capability. The anti-stress preparation contains Glycyrrhrizae radix or herba Houttuyniae extract with effects of promoting urination, tranquilizing, clearing away heat and toxic materials, promoting fish excretion, reducing intestinal tract burden, and resisting bacteria and inflammation; the gamma-aminobutyric acid and the taurine have the calming effect, so that the fish is prevented from jumping too much in the fishing process and consuming the energy of the organism; the antidotal preparation contains vitamin C, and has effects of removing toxic substance, enhancing immunity of fish, and supplementing energy supply of fish with glucose. The measures of improving the base, increasing oxygen, detoxifying and resisting stress are integrated, so that the phenomenon that the micropterus salmoides caught in the high-temperature period is cramped can be prevented, and the micropterus salmoides are brought into the market.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
Examples
A method for catching micropterus salmoides comprises the following steps:
s1, detecting the water quality of a pond 7 days before fishing out the fish, adopting water quality regulation measures to keep water quality indexes of dissolved oxygen not less than 5mg/L, ammonia nitrogen less than 0.5mg/L and nitrite less than 0.3mg/L, wherein the water quality regulation method specifically comprises the following steps: changing water in the pond 1/3, continuously sprinkling sodium percarbonate tablets and water quality regulating preparations in the whole pond for two days, wherein the usage amount is 0.5kg per mu of rice water sodium percarbonate tablets, and 0.5kg per mu of rice water quality regulating preparations, the active oxygen content of the sodium percarbonate tablets is 10%, and the water quality regulating preparations comprise 30 parts of bacillus subtilis, 40 parts of lactobacillus, 15 parts of rice bran meal, 1 part of protease preparation and the balance of cane molasses by weight to total 100 parts;
s2, sprinkling composite potassium hydrogen persulfate tablets with the content of 15% in the whole pond 3 days before fishing out the fish, wherein the bottom of each mu of water body per meter is changed by the composite potassium hydrogen persulfate tablets with the weight of 0.5 kg;
s3, 2-3 hours before fishing by netting, putting 150kg of pond water into a boat, then putting an anti-stress preparation and a detoxifying preparation into the boat, uniformly mixing chemical water, uniformly sprinkling the chemical water to the whole pond, wherein the using amount of the anti-stress preparation is 1kg of the anti-stress preparation per mu per meter of water body, and the using amount of the detoxifying preparation is 1kg, and the anti-stress preparation comprises the following components in parts by weight: 30 parts of vitamin C, 30 parts of taurine, 15 parts of gamma-aminobutyric acid and the balance of liquorice which are complemented to total 100 parts, and the detoxification preparation comprises the following components in parts by weight: 30 parts of vitamin C, 40 parts of anhydrous glucose and 30 parts of stabilizer magnesium chloride;
s4, after the purse net is fished, enabling the width of the purse net to be 2-2.5 meters and the length to be 20-30 meters, sprinkling an anti-stress preparation into the purse net in time, sprinkling 1kg of anti-stress preparation to every ten thousand jin of fishes, standing for 30 minutes, then starting to load the fishes and weighing for loading.
Control group: the method is characterized in that a farmer catches the fishes for the first time, the air temperature is 32-35 ℃, the water temperature is 28-32 ℃, an anti-stress preparation and a detoxification preparation are not used, the operation is not carried out according to the flow, the micropterus salmoides has spasm after catching the seine, after a part of the fishes are released, the fishes are continuously weighed and loaded on a car, the car is loaded with 2500kg of the fishes, the fishes are transported to the market 80 kilometers away, the loss is 250kg and about 10 percent, the car is afraid of being afraid of reloaded, the fishes are transported, and the fishes die in the original pond about 150kg after being caught.
After 7 days, another pond fish is caught, the air temperature and the water temperature are not much different from the first fish-out time, and the fish-out flow operation is carried out according to the embodiment, so that the phenomenon of spasm of the micropterus salmoides does not occur, 7500kg of fish is successfully weighed, a large amount of dead fish is not found when the fish loaded by the fish car is transported to the market of 80 kilometers away, about 2500kg of fish is loaded by each fish car, the loss is only about 5kg, the loss is only 0.2%, and the loss of the pond after catching is little, and is about 15 kg. And (3) catching the micropterus salmoides at the later high-temperature stage, and operating according to the fish outlet flow, so that the micropterus salmoides do not have the over-spasm phenomenon.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. The method for catching the micropterus salmoides is characterized by comprising the following steps of:
s1: 5-7 days before fishing out the fish, detecting the water quality of the pond, and keeping the water quality index dissolved oxygen not less than 5mg/L, ammonia nitrogen less than 0.5mg/L and nitrite less than 0.3mg/L, if the water quality index is unqualified, adjusting the water quality;
s2: 3-4 days before fishing out the fish, splashing the compound potassium hydrogen persulfate in the whole pond to change the bottom, and stopping feeding the feed;
s3: sprinkling anti-stress preparation and detoxifying preparation in the whole pond 2-3 hours before fishing out the fish;
s4: after the purse net is fished, the anti-stress preparation is splashed into the purse net in time, the purse net is kept stand for a period of time, and then fishes are weighed to finish fishing.
2. The method for fishing micropterus salmoides according to claim 1, wherein the water quality is adjusted in step S1 as follows: changing water in the pond 1/4-1/3, and sprinkling sodium percarbonate and a water quality regulating preparation in the whole pond for two consecutive days, wherein the usage amount of the sodium percarbonate is 0.5-1 kg/mu.m, and the active oxygen content of the sodium percarbonate is 10-12%.
3. The method for fishing micropterus salmoides according to claim 2, wherein the water quality control agent is used in an amount of 0.5-1 kg/mu-meter in step S1, and the water quality control agent comprises the following components in parts by weight: 20-30 parts of bacillus subtilis, 30-40 parts of lactobacillus, 10-20 parts of rice bran meal, 0.5-1 part of protease preparation and the balance of cane molasses for supplementing to 100 parts in total.
4. The method for fishing micropterus salmoides according to claim 1, wherein the amount of the potassium monopersulfate complex used is 0.5 to 1 kg/mu-meter, and the content of the potassium monopersulfate complex is 15 to 20% in step S2.
5. The method for fishing micropterus salmoides according to claim 1, wherein the anti-stress agent is used in an amount of 1-1.5 kg/mu-meter in step S3, and the anti-stress agent comprises the following components in parts by weight: vitamin C20-30 parts, taurine 30-40 parts, gamma-aminobutyric acid 10-15 parts, and the balance of Chinese herbal medicine preparation which is at least one of licorice or houttuynia cordata to total 100 parts.
6. The method for fishing micropterus salmoides according to claim 1, wherein the detoxification preparation is used in an amount of 1-1.5 kg/mu-meter in step S3, and the detoxification preparation comprises the following components in parts by weight: 20-30 parts of vitamin C, 40-50 parts of anhydrous glucose and 30-40 parts of stabilizer magnesium chloride.
7. The method for fishing micropterus salmoides according to claim 1, wherein the sprinkling of the anti-stress agent and the detoxification agent in step S3 is as follows: the anti-stress preparation and the detoxification preparation are firstly put into 150-200kg pond water, and are uniformly mixed and then uniformly sprinkled in the whole pond.
8. The method of claim 1, wherein the seine has a width of 2-2.5 m and a length of 20-30 m in step S4.
9. The method of claim 1, wherein the anti-stress agent is applied in an amount of 1-1.5kg per ten thousand kg of the fish in step S4.
10. The method for fishing micropterus salmoides according to claim 1, wherein the standing time is 20 to 30 minutes in step S4.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116171919A (en) * | 2023-02-10 | 2023-05-30 | 通威农业发展有限公司 | Weever cultivation system and method |
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Denomination of invention: Fishing methods for California bass Effective date of registration: 20230915 Granted publication date: 20230704 Pledgee: Foshan Branch of Guangfa Bank Co.,Ltd. Pledgor: FOSHAN SHUNDE HUOBAOYUAN BIOTECHNOLOGY CO.,LTD. Registration number: Y2023980056950 |