CN110574717A - Control breeding method of finless eels - Google Patents
Control breeding method of finless eels Download PDFInfo
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- CN110574717A CN110574717A CN201810583381.9A CN201810583381A CN110574717A CN 110574717 A CN110574717 A CN 110574717A CN 201810583381 A CN201810583381 A CN 201810583381A CN 110574717 A CN110574717 A CN 110574717A
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- 241000252073 Anguilliformes Species 0.000 title claims abstract description 22
- 238000009395 breeding Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000002791 soaking Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 10
- 235000013305 food Nutrition 0.000 claims description 19
- 230000001488 breeding effect Effects 0.000 claims description 9
- 239000000645 desinfectant Substances 0.000 claims description 9
- 241001233061 earthworms Species 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 235000006886 Zingiber officinale Nutrition 0.000 claims description 3
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 235000008397 ginger Nutrition 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000011782 vitamin Substances 0.000 claims description 3
- 229940088594 vitamin Drugs 0.000 claims description 3
- 238000009313 farming Methods 0.000 claims 3
- 241000234314 Zingiber Species 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 241000157885 Synbranchidae Species 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 244000273928 Zingiber officinale Species 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000003938 response to stress Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001208462 Ophisternon bengalense Species 0.000 description 1
- 241000746966 Zizania Species 0.000 description 1
- 235000002636 Zizania aquatica Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
a control breeding method of finless eels comprises the following steps: s1, configuration of culture equipment: a culture pond is dug in the culture area, water inlet pipes are arranged on the periphery of the culture pond to enable water flow to be in circulation when water is filled into the culture pond, and a drain valve is arranged at the bottom of the culture pond; s2, arranging eel nests, wherein each eel nest comprises a nest in water and a feeding table on the top of the nest, and the nest comprises a plurality of rows of hollow reticular cylindrical tubes; s3, soaking in a pool; s4, releasing seeds; s5, daily management: selecting evening for domesticating after three days of stocking, wherein the bait feeding amount is 1-2% of the weight of the eel fries when domesticating is started; after 5-7 days, the bait feeding amount is increased to 3% -4% of the weight of the eel fries; after 10-15 days, the bait feeding amount is increased to 5% -6% of the weight of the eel fries, the bait feeding time is domesticated to be fed once in the morning and at night, and four water inlet pipes at four corners of the culture pond and a drain valve at the bottom of the pond are opened after the bait is placed, so that the pond water has little running water. The method can reduce the pollution of bait residue and dirt to water quality in the eel nest culture and improve the survival rate of the eels.
Description
Technical Field
the invention relates to the field of finless eel culture, in particular to a control finless eel culture method.
background
All breeding activities must follow the natural habits of animals, provide and create the most suitable ecological environment, and achieve the best breeding effect. The existing net cage for culturing the finless eel is used for culturing water plants in the net cage, the living habits of the finless eel in benthic and hole habitation are changed by the way of strong and hard stress, and the obvious defects exist in practice: the stress response of the finless eel, the rottenness and the spoiled water quality of the aquatic weeds, the consumption of dissolved oxygen in water due to the respiration of the aquatic weeds, the labor intensity of manual slag fishing, the large influence of frequent turning of the aquatic weeds on the finless eel and other adverse factors are increased.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provides a control breeding method of finless eels, wherein a breeding pond adopts an eel nest for breeding, a water inlet pipe and a water discharge valve are arranged to keep the breeding pond to keep micro-flowing water during feeding, and the pollution of bait residues and dirt in the eel nest breeding to water quality is reduced.
The method of the invention comprises the following steps:
S1, configuration of culture equipment: digging a plurality of culture ponds with the length of 8m, the width of 3m and the depth of 1m in a culture area; laying a pipeline with air outlet holes at the bottom of the culture pond, wherein the pipeline is communicated with an oxygenator, water inlet pipes are arranged around the culture pond to enable water flow to be circular when the water in the culture pond is filled, and a drain valve with a filter screen is arranged at a water outlet at the center of the bottom of the culture pond;
S2, setting eel nests: eel nests are arranged at a height of 10cm from the bottom of the pool, and the number of the eel nests is 3m2Each breeding pond is provided with 8 groups, and the intervals between adjacent eel nests and between the eel nests and the pond wall are more than 50 cm;
the eel nest comprises a nest placed in water and a feeding table placed at the top of the eel nest during feeding, the nest comprises a plurality of rows of hollow meshed cylindrical tubes combined up and down, each empty hollow meshed cylindrical tube consists of a plurality of hollow meshed cylindrical tubes 1 arranged horizontally, each hollow meshed cylindrical tube is provided with a through hole 2 for an eel to pass through, and the through holes 2 on the hollow meshed cylindrical tubes 1 in mutual contact correspond to each other to form a channel for the eels to pass through; the length of the hollow reticular cylindrical pipe 1 is 60-80cm, and the height of the nest is 50 cm;
S3, soaking in a pool: after the eel nests are arranged, introducing clean water into the culture pond, adding glacial acetic acid to ensure that the pH value of water in the culture pond reaches 6.5-6.8, soaking the pond, draining the pond water after the pond soaking is finished, and filling clean water with the depth of 70cm into the culture pond;
s4, seed releasing: selecting strong eel fries with the weight of 48-52g, disinfecting the eel fries by using a disinfectant before stocking, and putting 11-12.5 jin of eel fries in each eel nest;
S5, daily management: keeping dissolved oxygen in water to 5-8mg/L three days before stocking, selecting evening to domesticate food after three days of stocking, cleaning and stirring fresh and live earthworms into paste, and putting on a food table; the bait feeding amount is 1% -2% of the weight of the eel fries when feeding domestication is started; after 5-7 days, increasing the bait feeding amount to 3% -4% of the weight of the eel fries, and blending minced fillet and compound feed; after 10-15 days, increasing the bait feeding amount to 5% -6% of the weight of the eel fries, domesticating the eels for feeding once in the morning and at night, and opening water inlet pipes around the culture pond and drain valves at the bottom of the pond after the bait is placed so that the pond water has micro-flowing water; during the normal process from domestication to eating of eel fries, minced fillet and compound feed are added, the adding proportion of fresh and live earthworms is reduced until earthworms are completely abandoned, and the feed amount and the minced fillet amount are mixed according to the ratio of 1: 1.
The bottom of the culture pond is provided with a support frame, and the eel nest is placed and bound on the support frame in the culture pond.
The using method of the disinfectant in S4 comprises the following steps: dissolving 100g of splashed ginger, 50ml of fry immune soaking agent and 50g of electrolysis multi-vitamin in 1000 jin of water to prepare soaking disinfectant, and then soaking the eel fries for 5-10 min.
compared with the prior art, the invention has the beneficial effects that: 1. the feeding radius of the finless eel is small, the finless eel inhabits in the nest, the feeding table is arranged at the top of the nest, the problem that the finless eel is not fed in a long-term closed mouth due to the fact that part of finless eels of cage culturists are located at the far end of food or due to competitive reasons can be easily avoided, meanwhile, stress response and physical consumption of long-distance foraging of the finless eel are reduced, and growth is facilitated. 2. The finless eel is easy to eat and has residual food, the water inlet pipe and the water discharge valve are arranged to keep the micro-flow water of the culture pond during feeding, so that the water body is dynamically balanced, residual bait residues are discharged in a rotational flow mode, and the pollution of the bait residues and dirt in the finless eel nest culture to the water quality is reduced. 3. The hollow netted cylindrical tube is provided with through holes for the rice field eels to drill out, the cylindrical tubes in the nest are communicated through the round holes, the four-way reaches are realized, a cave of the wild rice field eels is simulated, the natural cave dwelling characteristic of the rice field eels is met, and the rice field eels can drill out water surface breathing through the through holes in the cylindrical tube. 4. The food platform is placed on the top of the nests only when the food is fed, the food platform is moved away after the food is fed, water quality deterioration and dissolved oxygen consumption caused by aquatic weed decay are avoided, gaps are formed among the nests for cleaning, stress reactions such as frightening of the finless eels caused by frequent turning of the nests are avoided, and the survival rate of the finless eels is improved.
drawings
FIG. 1 is a perspective view of an eel nest;
FIG. 2 is a top view of two adjacent hollow reticulated conical tubes within a nest;
Figure 3 is a side view of a hollow mesh tapered tube at the edge of a nest.
Detailed Description
the present invention will be described in further detail below with reference to examples of the present invention:
A control breeding method of finless eels comprises the following steps:
s1, configuration of culture equipment: digging a plurality of culture ponds with the length of 8m, the width of 3m and the depth of 1m in a culture area; laying a pipeline with air outlet holes at the bottom of the culture pond, wherein the pipeline is communicated with an oxygenator, water inlet pipes are arranged around the culture pond to enable water flow to be circular when the water in the culture pond is filled, and a drain valve with a filter screen is arranged at a water outlet at the center of the bottom of the culture pond;
S2, setting eel nests: eel nests are arranged at a height of 10cm from the bottom of the pool, and the number of the eel nests is 3m2Each breeding pond is provided with 8 groups, and the intervals between adjacent eel nests and between the eel nests and the pond wall are more than 50 cm;
The eel nest comprises a nest placed in water and a feeding table placed at the top of the eel nest during feeding, the nest comprises a plurality of rows of hollow meshed cylindrical tubes combined up and down, each empty hollow meshed cylindrical tube consists of a plurality of hollow meshed cylindrical tubes arranged horizontally, each hollow meshed cylindrical tube is provided with a through hole for a eel to pass through, and the through holes on the hollow meshed cylindrical tubes in mutual contact correspond to form a channel for the eels to pass through; the length of the hollow reticular cylindrical tube is 60-80cm, and the height of the nest is 50 cm; the wall of the hollow netted cylindrical pipe is netted, so that water filtration and ventilation are facilitated. The hollow netted cylindrical pipe 1 can be made of plastic cement, bamboo tubes, tires, palm sheets, PVP pipes, honeycomb type plastic materials and the like, the materials need to be smooth, the scratch to the ricefield eel in and out is reduced, and the materials wound on the fixed nest can be slender flexible materials such as ropes and the like; the food table is a frame made of bamboo, wood or PVC materials, the frame is placed on the top surface of the fish nest, aquatic weeds such as water peanuts and the like are planted in the frame, the covering effect on the finless eels can be achieved, the size of the frame is equal to or slightly exceeds the area of the nest, the food table can cover the top end of the nest, the finless eels in the nest can swim to the top end of the nest through the through holes 2 which are all through, the finless eels can forage for food through the through holes 2 of the hollow reticular cylindrical tubes at the top end, and as the surface area of the food table frame is large, the through holes 2 in the nest are numerous roads leading to the food table, so that crowding can not occur, and the food table also conforms to the food serving principle; the feeding platform is moved after the feeding is finished, so that the water quality deterioration caused by the decay of the aquatic weeds is avoided, meanwhile, the oxygen concentration in the water is avoided being consumed by the aquatic weeds, a small amount of impurity and dirt generated in the feeding process can automatically fall into the bottom of the pool through water flow, meshes, gaps and the like of the nests due to numerous meshes of the nests, the impurity and the dirt cannot easily stay in the nests, and when the clearance is needed, the open water areas between the nests and the gaps reserved at the bottoms of the nests can be cleared, so that the influence on the growth of the finless eels caused by frequent turning of the;
S3, soaking in a pool: after the eel nests are arranged, introducing clean water into the culture pond, adding glacial acetic acid to ensure that the pH value of water in the culture pond reaches 6.5-6.8, soaking the pond, draining the pond water after the pond soaking is finished, and filling clean water with the depth of 70cm into the culture pond;
S4, seed releasing: selecting strong eel fries (tidy and consistent, bright and fresh body surface and sufficient mucus) with the weight of 48-52g, disinfecting by using a disinfectant before fry placing, and putting 11-12.5 jin of eel fries in each eel nest;
s5, daily management: keeping dissolved oxygen in water to 5-8mg/L three days before stocking, selecting evening to domesticate food after three days of stocking, cleaning and stirring fresh and live earthworms into paste, and putting on a food table; the bait feeding amount is 1% -2% of the weight of the eel fries when feeding domestication is started; after 5-7 days, increasing the bait feeding amount to 3% -4% of the weight of the eel fries, and blending minced fillet and compound feed; after 10-15 days, increasing the bait feeding amount to 5% -6% of the weight of the eel fries, domesticating the eels for feeding once in the morning and at night, and opening water inlet pipes around the culture pond and drain valves at the bottom of the pond after the bait is placed so that the pond water has micro-flowing water; during the normal process from domestication to eating of eel fries, minced fillet and compound feed are added, the adding proportion of fresh and live earthworms is reduced until earthworms are completely abandoned, and the feed amount and the minced fillet amount are mixed according to the ratio of 1: 1.
The bottom of the culture pond is provided with a support frame, and the eel nest is placed and bound on the support frame in the culture pond.
The using method of the disinfectant in S4 comprises the following steps: dissolving 100g of splashed ginger, 50ml of fry immune soaking agent and 50g of electrolysis multi-vitamin in 1000 jin of water to prepare soaking disinfectant, and then soaking the eel fries for 5-10 min.
The above embodiments are merely exemplary embodiments of the present invention, which are not intended to limit the scope of the present invention, and various modifications and applications made by the above embodiments are within the scope of the present invention.
Claims (3)
1. A control breeding method of finless eels is characterized by comprising the following steps:
s1, configuration of culture equipment: digging a plurality of culture ponds with the length of 8m, the width of 3m and the depth of 1m in a culture area; laying a pipeline with air outlet holes at the bottom of the culture pond, wherein the pipeline is communicated with an oxygenator, water inlet pipes are arranged around the culture pond to enable water flow to be circular when the water in the culture pond is filled, and a drain valve with a filter screen is arranged at a water outlet at the center of the bottom of the culture pond;
s2, setting eel nests: eel nests are arranged at a height of 10cm from the bottom of the pool, and the number of the eel nests is 3m2each breeding pond is provided with 8 groups, and the intervals between adjacent eel nests and between the eel nests and the pond wall are more than 50 cm;
The eel nest comprises a nest placed in water and a feeding table placed at the top of the eel nest during feeding, the nest comprises a plurality of rows of hollow meshed cylindrical tubes combined up and down, each empty hollow meshed cylindrical tube consists of a plurality of hollow meshed cylindrical tubes arranged horizontally, each hollow meshed cylindrical tube is provided with a through hole for a eel to pass through, and the through holes on the hollow meshed cylindrical tubes in mutual contact correspond to form a channel for the eels to pass through; the length of the hollow reticular cylindrical tube is 60-80cm, and the height of the nest is 50 cm;
s3, soaking in a pool: after the eel nests are arranged, introducing clean water into the culture pond, adding glacial acetic acid to ensure that the pH value of water in the culture pond reaches 6.5-6.8, soaking the pond, draining the pond water after the pond soaking is finished, and filling clean water with the depth of 70cm into the culture pond;
S4, seed releasing: selecting strong eel fries with the weight of 48-52g, disinfecting the eel fries by using a disinfectant before stocking, and putting 11-12.5 jin of eel fries in each eel nest;
s5, daily management: keeping dissolved oxygen in water to 5-8mg/L three days before stocking, selecting evening to domesticate food after three days of stocking, cleaning and stirring fresh and live earthworms into paste, and putting on a food table; the bait feeding amount is 1% -2% of the weight of the eel fries when feeding domestication is started; after 5-7 days, increasing the bait feeding amount to 3% -4% of the weight of the eel fries, and blending minced fillet and compound feed; after 10-15 days, increasing the bait feeding amount to 5% -6% of the weight of the eel fries, domesticating the eels for feeding once in the morning and at night, and opening water inlet pipes around the culture pond and drain valves at the bottom of the pond after the bait is placed so that the pond water has micro-flowing water; during the normal process from domestication to eating of eel fries, minced fillet and compound feed are added, the adding proportion of fresh and live earthworms is reduced until earthworms are completely abandoned, and the feed amount and the minced fillet amount are mixed according to the ratio of 1: 1.
2. the controlled finless eel farming method according to claim 1, wherein a support frame is arranged at the bottom of the farming pond, and the finless eel nest is placed and bound on the support frame in the farming pond.
3. the method for the controlled cultivation of finless eels as claimed in claim 1, wherein the disinfectant in S4 is administered by: dissolving 100g of splashed ginger, 50ml of fry immune soaking agent and 50g of electrolysis multi-vitamin in 1000 jin of water to prepare soaking disinfectant, and then soaking the eel fries for 5-10 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810583381.9A CN110574717A (en) | 2018-06-08 | 2018-06-08 | Control breeding method of finless eels |
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| CN201810583381.9A CN110574717A (en) | 2018-06-08 | 2018-06-08 | Control breeding method of finless eels |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056244A (en) * | 2020-08-24 | 2020-12-11 | 中国水产科学研究院长江水产研究所 | Efficient culture method for artificial breeding of finless eel fries |
| CN114097670A (en) * | 2021-11-19 | 2022-03-01 | 上海市农业科学院 | Industrial circulating water finless eel breeding method |
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| CN103299941A (en) * | 2013-07-01 | 2013-09-18 | 蒋石容 | Method for cultivating and domesticating monopterus fries |
| CN103314901A (en) * | 2013-06-17 | 2013-09-25 | 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 | Method for culturing finless eel in net cage |
| CN104396817A (en) * | 2014-11-03 | 2015-03-11 | 界首市新马集镇惠康家庭农场 | Method for finless eel cage culture in Jieshou area |
| CN206303008U (en) * | 2016-09-27 | 2017-07-07 | 宜昌市水产技术推广站 | A kind of bionical culture of swamp eel facility |
| JP2018019614A (en) * | 2016-08-01 | 2018-02-08 | 神戸養鰻株式会社 | Eel culture system and eel culture method |
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2018
- 2018-06-08 CN CN201810583381.9A patent/CN110574717A/en active Pending
Patent Citations (5)
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| CN103314901A (en) * | 2013-06-17 | 2013-09-25 | 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 | Method for culturing finless eel in net cage |
| CN103299941A (en) * | 2013-07-01 | 2013-09-18 | 蒋石容 | Method for cultivating and domesticating monopterus fries |
| CN104396817A (en) * | 2014-11-03 | 2015-03-11 | 界首市新马集镇惠康家庭农场 | Method for finless eel cage culture in Jieshou area |
| JP2018019614A (en) * | 2016-08-01 | 2018-02-08 | 神戸養鰻株式会社 | Eel culture system and eel culture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112056244A (en) * | 2020-08-24 | 2020-12-11 | 中国水产科学研究院长江水产研究所 | Efficient culture method for artificial breeding of finless eel fries |
| CN114097670A (en) * | 2021-11-19 | 2022-03-01 | 上海市农业科学院 | Industrial circulating water finless eel breeding method |
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