CN113207759A - Pollution-free hybrid snakehead standardized breeding technology based on pond circulating water - Google Patents
Pollution-free hybrid snakehead standardized breeding technology based on pond circulating water Download PDFInfo
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- CN113207759A CN113207759A CN202110423640.3A CN202110423640A CN113207759A CN 113207759 A CN113207759 A CN 113207759A CN 202110423640 A CN202110423640 A CN 202110423640A CN 113207759 A CN113207759 A CN 113207759A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 174
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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
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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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- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/461—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, which comprises the following steps of: a) selecting culture site conditions; b) cleaning and disinfecting the pond; c) cultivating water; d) stocking the seedlings; e) feeding seedlings; f) adult fish culture; compared with the prior art, the method can reduce the breeding cost of farmers, and has high growth speed and high breeding yield.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, and belongs to the technical field of aquaculture.
[ background of the invention ]
The hybridized snakehead fish is also called hybridized raw fish, is the filial generation of snakehead and snakehead fish, uses snakehead fish as male parent and snakehead fish as female parent, and utilizes fish interspecific hybridization to obtain its filial generation as snakehead hybridized snakehead fish, and the reverse cross result is called snakehead hybridized snakehead fish. The first filial generation has the advantages of parents, such as high growth speed, easy domestication of artificial compound feed, strong disease resistance, large individual, good meat quality and the like. In recent years, the culture scale of hybrid snakeheads is rapidly expanded, and the hybrid snakeheads and the channa maculata are replaced particularly in the trigonella asiatica area to become main culture varieties of snakehead fishes, but the defects of slow growth speed, low culture yield, high culture cost and the like of a traditional pond culture mode are overcome.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, provides a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, and can reduce the breeding cost of farmers, increase the growth speed and increase the breeding yield.
In order to realize the aim, the invention provides a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, which comprises the following steps:
a) selecting culture site conditions: a pond circulating culture mode is selected for cultivation and culture, the direction of the circulating water in the pond is good, the bottom of the pond is flat, the illumination is sufficient, and the thickness of sludge in an outer pond is less than 20 cm;
b) cleaning and disinfecting a pool: cleaning and disinfecting an outer pond and a flume in a pond circulating culture mode 10-15 days before fry stocking, wherein the cleaning of the pond is to drain pond water, trim a pond ridge, clean weeds, sundries and excessive sludge at the bottom of the outer pond, keep the thickness of the sludge of the outer pond to be less than 20cm, and turn over and expose the bottom of the pond; disinfecting, namely disinfecting the pond by adopting bleaching powder or tea cakes, wherein the water level is 5-10 cm, and 5-10 kg of bleaching powder is used for sprinkling to the whole pond every 667 square meter; tea cake disinfection: cleaning a pond with water, wherein the water depth is 1m, 30-35 kg of tea cakes are splashed into the whole pond every 667 square meter, and the tea cakes are soaked for 22-24 h before use;
c) water quality cultivation: injecting water 2.5-3.5 days before stocking the seedlings, filtering a water injection port by using 60-80 meshes of net cloth to prevent harmful organisms from entering, wherein the water injection depth is 50-60 cm, and simultaneously applying a proper amount of compound fertilizer to cultivate natural bait;
d) fry stocking: on the premise that various indexes of water quality in the pond reach standards, selecting a proper time according to the size of seedlings and a certain density, putting the seedlings into a flume, stabilizing the water temperature to be above 20 ℃, and selecting to put the seedlings into the flume in the morning on a fine day, wherein the putting density of the water bloom seedlings is 50-100 thousands of tails/flume, and the putting density of summer flowers is 5-10 thousands of tails/flume;
e) fry breeding: according to the size of the fry, adopting an artificial feeding mode, carrying out targeted feeding according to the conversion process of fish feeding from red worm-fish slurry-feed, if the water bloom fry is put into a gutter channel, filtering the fed opening bait through a 35-45-mesh screen for 2-3 days in the initial stage, directly feeding the artificially fished zooplankton after feeding for 2-3 days, paying attention to a small amount of times according to the ingestion condition of the fry, feeding for 5-6 times a day, wherein the total daily feeding amount is 0.85-1.2 kg of every ten thousand fries per day, directly feeding for artificial domestication after putting the summer fry, adopting a full-feed mode, feeding the bait 3 times a day, feeding once in the morning, noon and afternoon, feeding the daily bait amount according to the weight of 5-10%, considering the influence of weather on the fish ingestion condition, and adjusting the daily bait amount according to the ingestion condition;
f) adult fish culture: when the fries are raised to 100-300 tails/kg, the adult fish breeding stage is started, and the adult fish breeding stage mainly comprises fish seed separate pond stocking, feed feeding and daily management; firstly, breeding 100-300 tails/kg of fries in separate ponds, completing the breeding in the middle-upper ten days from the bottom of 5 months to 7, carrying out immersion bath for 9-11 min by using 3% saline solution before the separation of the ponds, selecting fingerlings with active actions, bright body color, no trauma and fierce food competition, breeding in the same flume with required size and specification in order, breeding density of 15000-18000 tails/flume, and selecting 15-30 tails of the fingerlings of the old chubs and bighead carps; the feed feeding is carried out in an artificial feed feeding mode, the feeding position is selected in a feeding rack on the upstream of a water flowing groove, the feeding frequency is controlled according to the water temperature condition, the feed is fed once a day when the water temperature is 15-19 ℃, and the feed is fed about 10 a.m.; the water temperature is 20-29 ℃, 8-9 am and 4-5 pm respectively; the water temperature is 30-33 ℃, 7-8 am and 5-6 pm respectively; specifically, the feeding amount of each time needs to be adjusted according to ingestion conditions, weather and water quality conditions, the total daily feeding amount is 2-5% of the total weight of the hybrid snakeheads in the water flowing tank, and feeding is prohibited when the water temperature is below 12 ℃; daily management mainly includes daily pool, the regulation and control work of quality of water of patrolling, and daily pool of patrolling: the pond patrol mainly comprises 'seeing the sky', 'seeing the water' and 'seeing the fish', various feeding management measures in the day are flexibly and flexibly set and implemented according to weather, water quality and the activity condition of the hybrid snakehead, cultivation garbage is timely cleared, the dead fish is fished out, disease and pest control work is well done, quicklime is adopted to improve the cultivation environment of a running water tank, enemy organisms are cleared, bacterial snakehead disease is prevented and controlled, chlorine preparations are adopted to prevent bacterial skin rot, ulcerative colitis and hemorrhagic septicemia, and allicin fine powder with the content of 9-11% is adopted to prevent bacterial enteritis; water quality regulation and control: periodically measuring the dissolved oxygen content to prevent oxygen deficiency, planting 1/5 aquatic plants on the water surface at one corner of the pond, periodically using beneficial microecologics to adjust the water quality, and appropriately changing water.
Preferably, in the step b), cleaning and disinfecting an outer pond and a launder in a pond circulation mode 13 days before stocking of seedlings, and disinfecting by using bleaching powder, wherein the water level is 7cm, and 8kg of bleaching powder is splashed into the whole pond per 667 square meter; tea cake disinfection: the water depth of the clean water pond is 1m, 32kg of tea cakes are splashed in a whole pool every 667 square meters, and the tea cakes are soaked for 24h before use.
Preferably, in the step c) of water quality cultivation, water is injected 3 days before fingerling stocking, a water injection port needs to be filtered by 70-mesh net cloth, the depth of water injection is 55cm, and the fertilizer meets the requirement of NY/T394.
Preferably, in the d) fry stocking step, fry water testing is carried out before stocking, whether the property of the pond-cleaning medicine completely disappears is determined, stocking is carried out after the property determination result reaches the standard, the stocking density of the water bloom fries is 80 ten thousand tails/flume, and the stocking density of the summer flower is 8 ten thousand tails/flume.
Preferably, when the water bloom seedlings in the e) seedling raising step are raised in a launder, in the initial 3 days, the fed initial baits are filtered by a 40-mesh screen, after the water bloom seedlings are fed for 3 days, the artificially fished zooplankton can be directly fed, according to the feeding condition of the seedlings, the seedlings are fed for 6 times a day by paying attention to a small amount of times, the total daily feeding amount is 1kg per ten thousand seedlings every day, and the daily feeding amount of summer flower seedlings is 8 percent of the weight of the seedlings.
f) The stocking density in the adult fish breeding step is 16000 per flume, 20 silver carp and bighead carp seeds are bred, the special compound feed for the hybrid snakehead meeting the NY5072 requirement is selected, and the total daily feeding amount is 4 percent of the total weight of the hybrid snakehead in the flume.
As preferred, the tye of pond circulation breed mode includes suspended solid remove device, suspended solid remove device includes basin, washing tank, driven voller, two guide rolls, electronic roller, brush roller and cassette, the rear end of crossing the basin is equipped with the washing tank, be equipped with brush roller and a guide roll in the washing tank, the upper end of the preceding cell wall of washing tank is equipped with a guide roll, it is equipped with the driven voller that is close to its tank bottom in the basin to cross, be equipped with electronic roller on the washing tank, be equipped with the cassette on driven voller, two guide rolls and the electronic roller, the brush roller rotates under the drive of electronic roller and scrubs the cassette, the cassette in the basin of crossing is the backward slope state.
Preferably, one end of the cleaning tank is provided with a water inlet, and the other end of the cleaning tank is provided with a water outlet.
Preferably, a driving wheel is arranged on the roller body of the electric roller, a driven wheel is arranged on the roller shaft of the brush roller, and a transmission belt is arranged on the driving wheel and the driven wheel.
Preferably, the two inner side walls and the bottom of the water passing groove are provided with row brushes for plugging gaps between the filter belt and the water passing groove.
The invention has the beneficial effects that: 1. the growth speed is high. Under the traditional culture mode, the average specification of early snakeheads released in the current year to the end of the year is generally 350-400 g/tail, and under the pond circulating water culture mode, the average specification is more than 550 g/tail, the growth speed is higher than 35%, and the culture period can be greatly shortened.
2. The culture yield is high. The hybrid snakeheads are cultured in a pond recirculating aquaculture mode, the stocking density is 8000-10000 snakeheads per mu, the average culture survival rate reaches 85%, and the unit yield can reach 4000-5000 kg per mu. Under a pond circulating water culture mode, the yield of the hybrid snakeheads is improved by 25-40% compared with that of the traditional culture mode.
3. The cultivation cost is low, and the cultivation benefit is high. According to the invention, under the pond circulating water culture mode, according to the culture characteristics of the mode, a special culture technology is adopted for culture, intensive management is realized, the culture density is high, the feed utilization rate is high, and the culture cost of breeding hybridized snakeheads is about 5.2 yuan per kilogram. And the breeding cost of each kilogram of the traditional breeding mode is about 7.5 yuan. The cost can be reduced by 30.67 percent. The average benefit per mu reaches more than 11000 yuan, and the benefit increase per mu reaches more than 35%.
4. The suspended matter removing device has good removing effect and improves water quality. The filter belt in the water passing groove is in a backward inclined state, the filtering area is increased, suspended matters attached to the filter belt are not easy to fall off, in addition, the filter belt attached to the suspended matters is cleaned through flowing water through the brush roller in a separately arranged cleaning groove, the cleaning effect is improved, the probability of the suspended matters entering the pond again along with the filter belt is reduced, and the influence on the flowability of water is reduced.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic view of the suspended matter removing apparatus.
In the figure: 1-water passing tank, 2-cleaning tank, 3-driven roller, 4-guide roller, 5-electric roller, 6-brush roller, 7-filter belt, 8-water inlet, 9-water outlet, 10-row brush, 11-driving wheel, 12-driven wheel and 13-transmission belt.
[ detailed description ] embodiments
Example 1
The invention relates to a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, which comprises the following steps of:
a) selecting culture site conditions: a pond circulating culture mode is selected for cultivation and culture, the direction of the circulating water in the pond is good, the bottom of the pond is flat, the illumination is sufficient, and the thickness of sludge in an outer pond is less than 20 cm;
b) cleaning and disinfecting a pool: cleaning and disinfecting an outer pond and a flume in a pond circulating culture mode 13 days before fry stocking, wherein the cleaning of the pond is to drain pond water, trim a pond ridge, clean weeds, sundries and excessive sludge at the bottom of the outer pond, keep the thickness of the sludge of the outer pond to be less than 20cm, and turn over and expose the bottom of the pond; the disinfection is to disinfect the pond by adopting bleaching powder or tea cakes, the bleaching powder is disinfected, the water level is 7cm, and 8kg of bleaching powder is splashed into the whole pond every 667 square meter; tea cake disinfection: cleaning a pond with water, wherein the water depth is 1m, every 667 square meter is splashed with 32kg of tea cakes in the whole pond, and the tea cakes are soaked for 24h before use;
c) water quality cultivation: injecting water 3 days before the fries are put in the pond, filtering a water injection port by using 70-mesh net cloth to prevent harmful organisms from entering, wherein the water injection depth is 55cm, and meanwhile, a proper amount of compound fertilizer is applied to cultivate natural bait, and the fertilizer meets the requirement of NY/T394;
d) fry stocking: on the premise that various indexes of water quality in the pond reach standards, selecting a proper time according to the size of seedlings and a certain density, putting the seedlings into a flume, stabilizing the water temperature to be above 20 ℃, and selecting to put the seedlings into the flume in the morning on a sunny day, wherein the putting density of the water bloom seedlings is 80 ten thousand tails/flume, and the putting density of the summer flowers is 8 ten thousand tails/flume;
e) fry breeding: according to the size of the fry, adopting an artificial feeding mode, carrying out targeted feeding according to the conversion process of fish feeding from red worm-fish paste-feed, if the water bloom fry is put into a gutter channel, filtering the fed opening bait through a 40-mesh screen in the initial 3 days, feeding the zooplankton directly after 3 days, paying attention to a small amount of times according to the ingestion condition of the fry, feeding the zooplankton for 6 times a day, wherein the total daily feeding amount is 1kg of each ten thousand fries per day, directly carrying out artificial domestication after the summer fry is put in, adopting a full-feed mode, feeding the zooplankton 3 times a day, feeding the bait once in the morning, noon and afternoon, feeding the bait 8 percent of the weight of the fry in daily feeding amount, considering the influence of weather on the fish ingestion, and adjusting beard according to the ingestion condition;
f) adult fish culture: when the fries are raised to 100-300 tails/kg, the adult fish breeding stage is started, and the adult fish breeding stage mainly comprises fish seed separate pond stocking, feed feeding and daily management; firstly, breeding 100-300 tails/kg of fries in separate ponds, completing the breeding in the middle-upper ten days from the end of 5 months to 7, carrying out immersion bath for 9-11 min by using 3% saline solution before the separation of the ponds, selecting fingerlings with active actions, bright body color, no trauma and fierce food competition, breeding the fries in the same flume with required size and specification in order, breeding density of 16000 tails/flume, and selecting 20 tails of the fries of the old mouth chubs and bighead carps; the feed feeding is realized by adopting an artificial feed feeding mode, the special compound feed for the hybrid snakeheads meeting the NY5072 requirement is selected, the feeding position is selected in a feeding rack on the upstream of a water flowing tank, the feeding frequency is controlled according to the water temperature condition, the feed is fed once a day when the water temperature is 15-19 ℃, and the feed is fed about 10 a.m.; the water temperature is 20-29 ℃, 8-9 am and 4-5 pm respectively; the water temperature is 30-33 ℃, 7-8 am and 5-6 pm respectively; specifically, the feeding amount of each time needs to be adjusted according to ingestion condition, weather and water quality condition, the total daily feeding amount is 4 percent of the total weight of the hybrid snakeheads in the water flowing tank, and the feeding is forbidden when the water temperature is below 12 ℃; daily management mainly includes daily pool, the regulation and control work of quality of water of patrolling, and daily pool of patrolling: the pond patrol mainly comprises 'seeing the sky', 'seeing the water' and 'seeing the fish', various feeding management measures in the day are flexibly and flexibly set and implemented according to weather, water quality and the activity condition of the hybrid snakehead, cultivation garbage is timely cleared, the dead fish is fished out, disease and pest control work is well done, quicklime is adopted to improve the cultivation environment of a running water tank, enemy organisms are cleared, bacterial snakehead disease is prevented and controlled, chlorine preparations are adopted to prevent bacterial skin rot, ulcerative colitis and hemorrhagic septicemia, and allicin fine powder with the content of 9-11% is adopted to prevent bacterial enteritis; water quality regulation and control: periodically measuring the dissolved oxygen content to prevent oxygen deficiency, planting 1/5 aquatic plants on the water surface at one corner of the pond, periodically using beneficial microecologics to adjust the water quality, and appropriately changing water.
Example 2
The invention relates to a pollution-free hybrid snakehead standardized breeding technology based on pond circulating water, which comprises the following steps of:
a) selecting culture site conditions: a pond circulating culture mode is selected for cultivation and culture, the direction of the circulating water in the pond is good, the bottom of the pond is flat, the illumination is sufficient, and the thickness of sludge in an outer pond is less than 20 cm;
b) cleaning and disinfecting a pool: cleaning and disinfecting an outer pond and a flume in a pond circulating culture mode 15 days before fry stocking, wherein the cleaning of the pond is to drain pond water, trim a pond ridge, clean weeds, sundries and excessive sludge at the bottom of the outer pond, keep the thickness of the sludge of the outer pond to be less than 20cm, and turn over and expose the bottom of the pond; the disinfection is to disinfect the pond by adopting bleaching powder or tea cakes, the bleaching powder is disinfected, the water level is 10cm, and every 667 square meters is splashed by 10kg of bleaching powder in the whole pond; tea cake disinfection: cleaning a pond with water, wherein the water depth is 1m, 35kg of tea cakes are splashed in a whole pool every 667 square meters, and the tea cakes are soaked for 24 hours before use;
c) water quality cultivation: injecting water 3 days before the fries are put in the pond, filtering a water injection port by using 60-mesh net cloth to prevent harmful organisms from entering, wherein the water injection depth is 60cm, and meanwhile, a proper amount of compound fertilizer is applied to cultivate natural bait, and the fertilizer meets the requirement of NY/T394;
d) fry stocking: on the premise that various indexes of water quality in the pond reach standards, selecting a proper time according to the size of seedlings and a certain density, putting the seedlings into a flume, stabilizing the water temperature to be above 20 ℃, and selecting to put the seedlings into the flume in the morning on a sunny day, wherein the putting density of the water bloom seedlings is 100 thousands of tails/flume, and the putting density of the summer flowers is 10 thousands of tails/flume;
e) fry breeding: according to the size of the fry, adopting an artificial feeding mode, carrying out targeted feeding according to the conversion process of fish feeding from red worm-fish paste-feed, if the water bloom fry is put into a gutter channel, filtering the fed opening bait through a 45-mesh screen in the initial 2 days, feeding the zooplankton after 2 days, directly feeding the zooplankton which is taken out manually, paying attention to a small amount of times according to the feeding condition of the fry, feeding the zooplankton 5 times a day, feeding the total amount of 1kg of every ten thousand fries every day, directly carrying out artificial domestication after feeding the summer fry, adopting a full-feed mode, feeding the fish 3 times a day, feeding the bait once in the morning, noon and afternoon, feeding the bait 9% of the weight of the fry in daily amount, considering the influence of weather on the fish feeding, and adjusting beard according to the feeding condition;
f) adult fish culture: when the fries are raised to 100-300 tails/kg, the adult fish breeding stage is started, and the adult fish breeding stage mainly comprises fish seed separate pond stocking, feed feeding and daily management; firstly, breeding 100-300 tails/kg of fries in separate ponds, completing the breeding in the middle-upper ten days from the end of 5 months to 7, carrying out immersion bath for 9-11 min by using 3% saline solution before the separation of the ponds, selecting fingerlings with active actions, bright body color, no trauma and fierce food competition, breeding in the same flume to require the size and specification to be regular, breeding density is 18000 tails/flume, and selecting 30 tails of the fingerlings of the old mouth chubs and bighead carps; the feed feeding is realized by adopting an artificial feed feeding mode, the special compound feed for the hybrid snakeheads meeting the NY5072 requirement is selected, the feeding position is selected in a feeding rack on the upstream of a water flowing tank, the feeding frequency is controlled according to the water temperature condition, the feed is fed once a day when the water temperature is 15-19 ℃, and the feed is fed about 10 a.m.; the water temperature is 20-29 ℃, 8-9 am and 4-5 pm respectively; the water temperature is 30-33 ℃, 7-8 am and 5-6 pm respectively; specifically, the feeding amount of each time needs to be adjusted according to ingestion condition, weather and water quality condition, the total daily feeding amount is 5 percent of the total weight of the hybrid snakeheads in the water flowing tank, and the feeding is forbidden when the water temperature is below 12 ℃; daily management mainly includes daily pool, the regulation and control work of quality of water of patrolling, and daily pool of patrolling: the pond patrol mainly comprises 'seeing the sky', 'seeing the water' and 'seeing the fish', various feeding management measures in the day are flexibly and flexibly set and implemented according to weather, water quality and the activity condition of the hybrid snakehead, cultivation garbage is timely cleared, the dead fish is fished out, disease and pest control work is well done, quicklime is adopted to improve the cultivation environment of a running water tank, enemy organisms are cleared, bacterial snakehead disease is prevented and controlled, chlorine preparations are adopted to prevent bacterial skin rot, ulcerative colitis and hemorrhagic septicemia, and allicin fine powder with the content of 9-11% is adopted to prevent bacterial enteritis; water quality regulation and control: periodically measuring the dissolved oxygen content to prevent oxygen deficiency, planting 1/5 aquatic plants on the water surface at one corner of the pond, periodically using beneficial microecologics to adjust the water quality, and appropriately changing water.
Referring to fig. 1, the suspended matter removing device comprises a water passing tank 1, a cleaning tank 2, a driven roller 3, two guide rollers 4, an electric roller 5, a brush roller 6 and a filter belt 7, wherein the cleaning tank 2 is arranged at the rear end of the water passing tank 1, the brush roller 6 and the guide roller 4 are arranged in the cleaning tank 2, the guide roller 4 is arranged at the upper end of the front tank wall of the cleaning tank 2, the driven roller 3 close to the bottom of the water passing tank 1 is arranged in the water passing tank 1, the electric roller 5 is arranged on the cleaning tank 2, the filter belt 7 is arranged on the driven roller 3, the two guide rollers 4 and the electric roller 5, the brush roller 6 is driven by the electric roller 5 to rotate to scrub the filter belt 7, the filter belt 7 in the water passing tank 1 is inclined backwards, a water inlet 8 is arranged at one end of the cleaning tank 2, a water outlet 9 is arranged at the other end of the cleaning tank, and a driving wheel 11 is arranged on a roller body of the electric roller 5, a driven wheel 12 is arranged on a roller shaft of the brush roller 6, a driving wheel 11 and a driving belt 13 are arranged on the driven wheel 12, and row brushes 10 are arranged on two inner side walls and the bottom of the water passing groove 1 and used for blocking gaps between the filter belt 7 and the water passing groove 1.
Suspended solid remove device filters at the course of the work, and rivers pass through filtering band 7, and filtering band 7 gets into washing tank 2 under electric roller 5's drive, and brush roller 6 rotates under electric roller 5's drive and scrubs adnexed suspended solid on the filtering band 7, and filtering band 7 after the brush is washed enters into once more and carries out the filtration of suspended solid in crossing basin 1.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. A pollution-free hybrid snakehead standardized breeding technology based on pond circulating water is characterized in that: the method comprises the following steps:
a) selecting culture site conditions: a pond circulating culture mode is selected for cultivation and culture, a water flowing groove of the pond circulating culture mode is good in the east-west water flowing direction, the bottom of the pond is flat, the illumination is sufficient, and the thickness of sludge in an outer pond is less than 20 cm;
b) cleaning and disinfecting a pool: cleaning and disinfecting an outer pond and a flume in a pond circulating culture mode 10-15 days before fry stocking, wherein the cleaning of the pond is to drain pond water, trim a pond ridge, clean weeds, sundries and excessive sludge at the bottom of the outer pond, keep the thickness of the sludge of the outer pond to be less than 20cm, and turn over and expose the bottom of the pond; disinfecting, namely disinfecting the pond by adopting bleaching powder or tea cakes, wherein the water level is 5-10 cm, and 5-10 kg of bleaching powder is used for sprinkling to the whole pond every 667 square meter; tea cake disinfection: cleaning a pond with water, wherein the water depth is 1m, 30-35 kg of tea cakes are splashed into the whole pond every 667 square meter, and the tea cakes are soaked for 22-24 h before use;
c) water quality cultivation: injecting water 2.5-3.5 days before stocking the seedlings, filtering a water injection port by using 60-80 meshes of net cloth to prevent harmful organisms from entering, wherein the water injection depth is 50-60 cm, and simultaneously applying a proper amount of compound fertilizer to cultivate natural bait;
d) fry stocking: on the premise that various indexes of water quality in the pond reach standards, selecting proper time according to the size of the fries and certain density, putting the fries into a flume, stabilizing the water temperature to be more than 20 ℃, and selecting to put the fries into the flume in the morning on a fine day, wherein the throwing density of the fries of the water flowers is 50-100 thousands of tails/flume,
the summer flower throwing density is 5-10 thousands of tails per launder;
e) fry breeding: according to the size of the fry, adopting an artificial feeding mode, carrying out targeted feeding according to the conversion process of fish feeding from red worm-fish slurry-feed, if the water bloom fry is put into a gutter channel, filtering the fed opening bait through a 35-45-mesh screen for 2-3 days in the initial stage, directly feeding the artificially fished zooplankton after feeding for 2-3 days, paying attention to a small amount of times according to the ingestion condition of the fry, feeding for 5-6 times a day, wherein the total daily feeding amount is 0.85-1.2 kg of every ten thousand fries per day, directly feeding for artificial domestication after putting the summer fry, adopting a full-feed mode, feeding the bait 3 times a day, feeding once in the morning, noon and afternoon, feeding the daily bait amount according to the weight of 5-10%, considering the influence of weather on the fish ingestion condition, and adjusting the daily bait amount according to the ingestion condition;
f) adult fish culture: when the fries are raised to 100-300 tails/kg, the adult fish breeding stage is started, and the adult fish breeding stage mainly comprises fish seed separate pond stocking, feed feeding and daily management; firstly, breeding 100-300 tails/kg of fries in separate ponds, completing the breeding in the middle-upper ten days from the bottom of 5 months to 7, carrying out immersion bath for 9-11 min by using 3% saline solution before the separation of the ponds, selecting fingerlings with active actions, bright body color, no trauma and fierce food competition, breeding in the same flume with required size and specification in order, breeding density of 15000-18000 tails/flume, and selecting 15-30 tails of the fingerlings of the old chubs and bighead carps; the feed feeding is carried out in an artificial feed feeding mode, the feeding position is selected in a feeding rack on the upstream of a water flowing groove, the feeding frequency is controlled according to the water temperature condition, the feed is fed once a day when the water temperature is 15-19 ℃, and the feed is fed about 10 a.m.; the water temperature is 20-29 ℃, 8-9 am and 4-5 pm respectively; the water temperature is 30-33 ℃, 7-8 am and 5-6 pm respectively; specifically, the feeding amount of each time needs to be adjusted according to ingestion conditions, weather and water quality conditions, the total daily feeding amount is 2-5% of the total weight of the hybrid snakeheads in the water flowing tank, and feeding is prohibited when the water temperature is below 12 ℃; daily management mainly includes daily pool, the regulation and control work of quality of water of patrolling, and daily pool of patrolling: the pond patrol mainly comprises 'seeing the sky', 'seeing the water' and 'seeing the fish', various feeding management measures in the day are flexibly and flexibly set and implemented according to weather, water quality and the activity condition of the hybrid snakehead, cultivation garbage is timely cleared, the dead fish is fished out, disease and pest control work is well done, quicklime is adopted to improve the cultivation environment of a running water tank, enemy organisms are cleared, bacterial snakehead disease is prevented and controlled, chlorine preparations are adopted to prevent bacterial skin rot, ulcerative colitis and hemorrhagic septicemia, and allicin fine powder with the content of 9-11% is adopted to prevent bacterial enteritis; water quality regulation and control: periodically measuring the dissolved oxygen content to prevent oxygen deficiency, planting 1/5 aquatic plants on the water surface at one corner of the pond, periodically using beneficial microecologics to adjust the water quality, and appropriately changing water.
2. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: in the step b), in the step of cleaning and disinfecting the pond, cleaning and disinfecting an outer pond and a water flowing groove in a pond circulating culture mode 13 days before putting seedlings in culture, wherein bleaching powder is used for disinfecting, the water level is 7cm, and 8kg of bleaching powder is used for splashing in the whole pond every 667 square meters; tea cake disinfection: the water depth of the clean water pond is 1m, 32kg of tea cakes are splashed in a whole pool every 667 square meters, and the tea cakes are soaked for 24h before use.
3. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: and c) in the water quality cultivation step, water is injected 3 days before fingerling stocking, a water injection port needs to be filtered by 70-mesh net cloth, the water injection depth is 55cm, and the fertilizer meets the requirement of NY/T394.
4. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: d) testing water for the fries before stocking in the fry stocking step, determining whether the drug properties of pond-cleaning drugs completely disappear, stocking the fries after the drug property determination result reaches the standard, wherein the stocking density of the water bloom fries is 80 ten thousand tails/launders, and the stocking density of summer flowers is 8 ten thousand tails/launders.
5. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: and e) when the water bloom seedlings in the seedling raising step are raised into the launder, in the initial 3 days, the fed initial bait is filtered by a 40-mesh screen, after the water bloom seedlings are fed for 3 days, the artificially fished zooplankton can be directly fed, according to the feeding condition of the seedlings, the water bloom seedlings are fed for 6 times a day by paying attention to a small amount of times, the total daily feeding amount is 1kg per ten thousand seedlings every day, and the daily bait feeding amount of the summer flower seedlings is 8 percent of the weight of the seedlings.
6. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: and f) breeding density in the adult fish breeding step is 16000 per flume, 20 silver carp and bighead carp species are bred, a special compound feed for the hybrid snakehead meeting the NY5072 requirement is selected, and the total daily feeding amount is 4% of the total weight of the hybrid snakehead in the flume.
7. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water, as claimed in claim 1, is characterized in that: the flume of the pond circulating aquaculture mode comprises a suspended matter removing device, the suspended matter removing device comprises a flume (1), a cleaning tank (2), a driven roller (3), two guide rollers (4), an electric roller (5), a brush roller (6) and a filter belt (7), the cleaning tank (2) is arranged at the rear end of the flume (1), the brush roller (6) and the guide rollers (4) are arranged in the cleaning tank (2), the guide roller (4) is arranged at the upper end of the front tank wall of the cleaning tank (2), the driven roller (3) close to the bottom of the tank is arranged in the flume (1), the electric roller (5) is arranged on the cleaning tank (2), the filter belt (7) is arranged on the driven roller (3), the two guide rollers (4) and the electric roller (5), and the brush roller (6) rotates under the driving of the electric roller (5) to clean the filter belt (7), the filter belt (7) in the water passing groove (1) is in a backward inclined state.
8. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water as claimed in claim 7, which is characterized in that: one end of the cleaning tank (2) is provided with a water inlet (8), and the other end is provided with a water outlet (9).
9. The standardized cultivation technology of the non-polluted hybrid snakehead based on pond circulating water as claimed in claim 7, which is characterized in that: the electric roller is characterized in that a driving wheel (11) is arranged on a roller body of the electric roller (5), a driven wheel (12) is arranged on a roller shaft of the brush roller (6), and a transmission belt (13) is arranged on the driving wheel (11) and the driven wheel (12).
10. The standardized cultivation technique of the hybrid snakehead based on the pond circulating water, which is free of pollution, of any one of the claims 7 to 9, is characterized in that: and the two inner side walls and the bottom of the water passing groove (1) are provided with row brushes (10) for plugging a gap between the filter belt (7) and the water passing groove (1).
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Citations (2)
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|---|---|---|---|---|
| JP2011130686A (en) * | 2009-12-22 | 2011-07-07 | Sea Plus Corp | Circulation type culture apparatus and culture method for fishes or shellfishes |
| CN206244939U (en) * | 2016-12-09 | 2017-06-13 | 湛江紫荆羽绒制品有限公司 | A kind of Eider down processing high-efficiency washing device |
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- 2021-04-20 CN CN202110423640.3A patent/CN113207759A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011130686A (en) * | 2009-12-22 | 2011-07-07 | Sea Plus Corp | Circulation type culture apparatus and culture method for fishes or shellfishes |
| CN206244939U (en) * | 2016-12-09 | 2017-06-13 | 湛江紫荆羽绒制品有限公司 | A kind of Eider down processing high-efficiency washing device |
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