CN102318575A - Method for culturing cowfish by using net cage - Google Patents
Method for culturing cowfish by using net cage Download PDFInfo
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- CN102318575A CN102318575A CN201110244302A CN201110244302A CN102318575A CN 102318575 A CN102318575 A CN 102318575A CN 201110244302 A CN201110244302 A CN 201110244302A CN 201110244302 A CN201110244302 A CN 201110244302A CN 102318575 A CN102318575 A CN 102318575A
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- finless porpoise
- black finless
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- net cage
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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 relates to the aquaculture field and provides a method for culturing cowfishes by using a net cage. The net cage comprises a metal frame and two paratactic cage bodies formed by independent nets in an enclosing way. The cage bodies are connected through a pedestrian road. The frame is provided with a floating device. Sinkers are arranged at the four corners of the bottom of each cage body. Fixing devices are arranged around the net cage. The method comprises the following steps of: adopting a method matching voice driving with seining to catch the cowfishes; adopting a semidry transportation method to deliver the cowfishes; adopting a field temporary culture and artificial feeding method to domesticate the cowfishes to adapt to the culture environment of the net cage; and conducting net cage culture and daily cleaning management. The method can resist the influences of water flows, tides, waves and the like, can maintain the shape retentivity and the setting stability of the culture net cage and can help the cowfishes grow and develop.
Description
Technical field
The present invention relates to aquaculture field, specifically a kind of method of utilizing the cage culture black finless porpoise.
Background technology
Along with various mankind's activities such as barrage are built the dam, reclaimed land from a lake, the increasing of traffic shipping and coastal engineering etc., the aquatic animal living space is tied up in a large number, and the migration passage is cut off, and habitat receives heavy damage, and life condition constantly worsens.Cause China aquatic animal degree in imminent danger constantly to be aggravated.According to estimates, at present China's wild aquatic animal quantity of being in Critical Condition increases about 20 kinds every year on average.The Changjiang river black finless porpoise is China second class protection animal, only lives in master stream, the middle and lower reach of Yangtze River and Poyang Lake, the Dongting Lake, and population quantity is only about 1800 at present, and is critically endangered.Seeing that the ecotope in main stream of the Yangtze and lake, large-scale Tongjiang goes from bad to worse, protection the Changjiang river, original place black finless porpoise is faced with increasing difficulty.Therefore, with moving protection and in artificial environment the final purpose of the protection of propagation be with the black finless porpoise that in these environment, breeds as additional individuality or colony, be discharged into step by step in the Changjiang river and the lake, Tongjiang, with the natural group kind of additional these species, avoid species extinction.In the past, the relevant frame that uses tubing to constitute swam near the water surface, maintained the net at the end from this sash hanger; Cultured fishes in this net; This net is identical in the fishing net with resistance to water, uses the net that chemical fibres such as nylon and polypropylene are woven into, and tries hard to the lightweight of fish culture net cage.But the chemical fibre net rigidity of above-mentioned that kind is low; Can not give enough form retentivities and stability is set fish culture net cage, owing to reasons such as current, trend, waves, rapid volume-variation and swing take place in seawater cage easily; The fish of supporting receives overstimulation, hinders it to grow.
Summary of the invention
The object of the invention is exactly the weak point that exists in the above-mentioned prior art in order to overcome; A kind of method of utilizing the cage culture black finless porpoise is provided; It can not receive the influence of current, trend, wave etc., keeps the form retentivity of fish culture net cage and stability is set, and helps growing of black finless porpoise.
Goal of the invention of the present invention realizes through following technical scheme.
A kind of method of utilizing the cage culture black finless porpoise; Said net cage comprises metal framework and two casings that independent etting arranged side by side surrounds, and personnel selection road, broker's storehouse connects between the casing, and framework is provided with buoyant device; Four angles of bottom half are provided with sinker, and fixture is set around the net cage.
In technique scheme, said casing adopts 60 strands of soft material nylon wires, the long 10m of etting, wide 10m, dark 5m, mesh 6cm, or the long 10m of etting, wide 10m, 7m, mesh 8cm deeply, between said two casings arranged side by side with the wide People's Bank of China's plank road connection of 1.2m; Said framework is the angle steel welding growth 23.6m of 8cm, the rectangle of wide 14.4m; Said buoyant device adopts the cylindrical polystyrene foam of bottom surface diameter 0.5m, high 1.0m, each spacing 1.0m; Said sinker is the cone that concrete casting builds up, each heavy 10kg; Said fixture is 8 anchors that are arranged on around the net cage, and the polyethylene rope that passes to the youthful and the elderly 50m is connected with net cage.
In technique scheme, the rescue platform that long 6m, wide 3m are set foremost of said casing, and net cage is connected with the floating trestle of bank through long 50m, wide 1.6m.
In technique scheme, utilize the method for cage culture black finless porpoise to comprise the following steps:
1) adopts sound to drive the mode that cooperates purse seine to fish for and catch black finless porpoise;
2) adopt half-dried conveying method to transport black finless porpoise;
3) adopt open-air temporary supporting, the mode of artificial feeding is tamed the breeding environment that black finless porpoise adapts to net cage;
4) cage rearing, the daily cleaning management.
In technique scheme, the landform of said seizure black finless porpoise be the depth of water within 15m, water velocity is less than the big backwater zone of 1.0m/s, the waters that the riverbed is smooth; The time of catching black finless porpoise is the dry season of the 3-4 month or the 11-12 month; It is to utilize the engine noise of power ship and knock to drive the previously selected globefish zone of catching of black finless porpoise entering that said sound is driven; It is that two masters are put the opposing quick off line encirclement black finless porpoise of net boat colony that said purse seine is fished for, and simultaneously in addition two speedboats the net sheet do not close up the zone back and forth fast moving to form sound-screen under water.
In technique scheme, the black finless porpoise age that said selection is fit to cage rearing is 1.5-3.5 year, or the long 115-130cm of body; Or body weight/body length is 0.29-0.35; Or largest body is enclosed/the long 0.65-0.70 of being of body.
In technique scheme; Adopt half-dried conveying method to transport black finless porpoise; Make in the waterproof uncovered wall liner with the wooden case of Polypropylence Sheet according to the body size of black finless porpoise; Or the plastic box of liner foam-rubber cushion, the casing size is to guarantee having the gap more than the 20cm to be advisable between black finless porpoise and the tank wall, lay polyfoam spacer at the bottom of the case; Make a stretcher, cloth is advisable with fine canvas, in fin limb and the perforate of anus position; So that let the fin limb stretch out and convenience defecation in transportation, need in the transportation stretcher is fixed in the wooden case, prevent to rock; Cover the cotton of one deck at black finless porpoise health dorsal part, expose the head nostril of black finless porpoise, the bed hedgehopping head with water infiltration; Spread the ointment that is made into by ointment and zinc oxide at fin limb, kiss end place, prevent chapped skin; An automatic sprinkler also to be set, in transportation, constantly be spread across water on the black finless porpoise body.
In technique scheme, the black finless porpoise that has just caught in the open air at first need be in the open air domesticating temporarily, it can be adapted to is familiar with the cage culture environment, adapt to artificial freezing or fresh forage fiss of throwing something and feeding, set up conditioned reflex; The forage fiss of said artificial feeding changes freezing fresh fish into gradually by the living fry of cutting tail fin or pectoral fin, and the frequency of throwing something and feeding is once reduced to every day 3 times by every at a distance from feeding in 1-2 hour gradually, and increases each feeding amount gradually; After black finless porpoise adapts to the bait of throwing something and feeding; Carry out of fixed place and time throwing something and feeding, through strengthening, black finless porpoise will formation condition be reflected; Will arriving fixedly to ingest time, the feeding point waits feed; If black finless porpoise can normally be taken food, and every day, food-intake just can think that when 2-3kg black finless porpoise set up the conditioned reflex to the forage fiss of throwing something and feeding, and began to adapt to the feeding environment of net cage.
In technique scheme, detect the water quality around the net cage, its water quality with Shishou river, the Changjiang river section is compared, the horizontal no significant difference of both main physical and chemical factors keeps the interior water stabilization of net cage; Select the first-selected fingerling of Bei Shi meal (Hemiculter bleekeri) for use, mainly select for use most of season length to throw something and feed, add throw something and feed an amount of crucian or brachygnathia long-tailed anchovy in addition less than the new Xian Beishi meal of 10cm as the bait of black finless porpoise; The forage fiss of said raising was sterilized 5 minutes with saline solution before feeding, and 1-2 time weekly, add vitamin in each 5-8 tail fish belly; The feeding time in summer is 7:00-7:30,11:30-12:00,18:00-18:30, and the feeding time in winter is 7:30-8:00,11:30-12:00,17:30-18:00, and each feeding time was controlled at 15-30 minute; The feeding amount of black finless porpoise should be controlled at, and water temperature is below 18 ℃ the time, and every meal is at the 1.2-1.5KG/ head; In the time of water temperature 18-25 ℃; Every meal is at the 1.0-1.2KG/ head, and water temperature is more than 25 ℃ the time, and every meal is at the 0.8-1.0KG/ head.
Beneficial effect of the present invention is not receive the influence of current, trend, wave etc.; Keep the form retentivity of fish culture net cage and stability is set; Help growing of black finless porpoise; Move adaptation domestication and the domestication of the field in the soft dispose procedure of animal in the ground resist technology for the Changjiang river black finless porpoise and laid in key technology in advance, make the Changjiang river black finless porpoise move the ground resist technology and more become ripe and complete.
Description of drawings
Fig. 1 is the structural representation of net cage in a kind of method of utilizing the cage culture black finless porpoise of the present invention.
Wherein: framework 1, casing 2, People's Bank of China's plank road 3, buoyant device 4, sinker 5, fixture 6.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further description.
As shown in Figure 1; Present embodiment provides a kind of method of utilizing the cage culture black finless porpoise; Said net cage comprises metal framework 1 and two casings 2 that independent etting arranged side by side surrounds, and personnel selection road, broker's storehouse 3 connects between the casing 2, and framework 1 is provided with buoyant device 4; Four angles, casing 2 bottoms are provided with sinker 5, and fixture 6 is set around the net cage.
In technique scheme; Said casing 2 adopts 60 strands of soft material nylon wires; The long 10m of etting, wide 10m, dark 5m, mesh 6cm, or the long 10m of etting, wide 10m, dark 7m, mesh 8cm, between said two casings 2 arranged side by side with wide People's Bank of China's plank road 3 connections of 1.2m; The angle steel welding growth 23.6m that said framework 1 is 8cm, the rectangle of wide 14.4m; The cylindrical polystyrene foam of said buoyant device 4 employing bottom surface diameter 0.5m, high 1.0m, each spacing 1.0m; The cone that said sinker 5 builds up for concrete casting, each heavy 10kg; Said fixture 6 is for being arranged on 8 anchors around the net cage, and the polyethylene rope that passes to the youthful and the elderly 50m is connected with net cage.
In technique scheme, the rescue platform that long 6m, wide 3m are set foremost of said casing 2, and net cage is connected with the floating trestle of bank through long 50m, wide 1.6m.
In technique scheme, utilize the method for cage culture black finless porpoise to comprise the following steps:
1. adopt sound to drive the mode that cooperates purse seine to fish for and catch black finless porpoise.
Many ships are adopted in waters in that black finless porpoise is often movable, and engine is searched for less than 50 horsepowers, closely follows the tracks of after the discovery, i.e. Lijiang River globefish 100-200m.
The landform of catching black finless porpoise be the depth of water within 15m, water velocity is less than the big backwater zone of 1.0m/s, the riverbed is smooth, and does not have outstanding barrier etc.
The time of catching black finless porpoise is the dry season of the 3-4 month or the 11-12 month.
It is to utilize the engine noise of many motor-driven wooden boats and knock to form the underwateracoustic barrier that said sound is driven, and drives black finless porpoise and gets into the previously selected globefish zone of catching.
It is that black finless porpoise colony gets into selected catching after the globefish zone that said purse seine is fished for; Two masters are put net boat; Usually with speedboat or the bigger fishing cruiser of power; Opposing quick off line encirclement black finless porpoise colony, and simultaneously in addition two speedboats the net sheet do not close up the zone back and forth fast moving to form the underwateracoustic barrier to prevent the black finless porpoise escape.
Taking a momentary rest after assuming a ring of encirclement lets black finless porpoise restore calm, and treats to cut after its calmness net boat and puts the net sheet and cut apart, and progressively dwindles the ring of encirclement.After the ring of encirclement narrowed down to certain limit, globefish was caught in hauling.Towards net, catching the globefish team member needs plunge immediately to hold up black finless porpoise, with knife etting is cut in case of necessity like black finless porpoise, prevents that black finless porpoise is drowned.When playing water, two people embrace out the water surface with black finless porpoise with joint efforts, are put on the fishing boat, with stretcher cloth black finless porpoise are held up, and with speedboat speed black finless porpoise are transported to then and carry out in the fence that sets in advance supporting temporarily observing.
The selection of black finless porpoise: the body of black finless porpoise is long to be to select black finless porpoise whether to be fit to carry out an important indicator of cage rearing with the age, and the black finless porpoise age of the suitable cage rearing of said selection is 1.5-3.5 year, or the long 115-130cm of body.
The coefficient of condition index is to judge the index the most intuitively of black finless porpoise nutrition condition, and according to the result of statistics, the body weight of healthy prematurity black finless porpoise/body long value should be between the 0.29-0.35, and winter is high slightly, and summer is low slightly; Another coefficient of condition index be largest body enclose/body is long, according to the result of statistics, the largest body of healthy prematurity black finless porpoise encloses/the body long value should be at 0.65-0.70, and cyclically-varying is arranged in winter and summer.
In addition, all to select suitable black finless porpoise to carry out cage culture be consider for appearance index, behavioral indicator, blood parameters etc.
2. adopt half-dried conveying method to transport black finless porpoise.
Body size according to black finless porpoise is made a waterproof uncovered wooden case, and wall liner is with Polypropylence Sheet or plastic box liner foam-rubber cushion in the wooden case, and the casing size is to guarantee having the gap more than the 20cm to be advisable between black finless porpoise and the tank wall.Lay polyfoam spacer at the bottom of the case can alleviate the pressure of black finless porpoise self on the one hand, also helps keeping the moistening of black finless porpoise health on the other hand, also can effectively reduce the vibrations of jolting in the transportation simultaneously.
Make a special stretcher, cloth is advisable with fine canvas, in fin limb and the perforate of anus position, so that let the fin limb stretch out and convenience defecation in transportation.Need in the transportation stretcher is fixed in the wooden case, prevent to rock.Cover the cotton of one deck with water infiltration at black finless porpoise health dorsal part, expose the head nostril of black finless porpoise, the bed hedgehopping head locates to spread the ointment that is made into by ointment and zinc oxide at fin limb, kiss end etc. slightly, prevents chapped skin.In addition, an automatic sprinkler to be set also, in transportation, constantly be spread across water on the black finless porpoise body.
3. adopt open-air temporary supporting, the mode of artificial feeding is tamed black finless porpoise.
The black finless porpoise that has just caught in the open air at first need be in the open air domesticating temporarily, it can be adapted to is familiar with the cage culture environment, adapt to artificial freezing or fresh forage fiss of throwing something and feeding, set up conditioned reflex.
Because the custom of the wild black finless porpoise that has just caught predation live body food also changes, so incipient the time, earlier living fry is cut tail fin or pectoral fin, throw into the black finless porpoise dead ahead, after the adaptation, then change and throw freezing fresh fish.Quantity and the surplus of wanting detail record to throw something and feed in this process are calculated the actual food ration of black finless porpoise at every turn, and in time adjust feeding volume according to time every day intake.The frequency of throwing something and feeding is once reduced to every day 3 times by every at a distance from feeding in 1-2 hour gradually, and increases each feeding amount gradually, and the guiding black finless porpoise progressively adapts to the mode of ingesting that manual work is thrown something and fed.
After black finless porpoise adapts to the bait of throwing something and feeding; Carry out of fixed place and time throwing something and feeding, through strengthening, black finless porpoise will formation condition be reflected; Will arriving fixedly to ingest time, the feeding point waits feed; If animal can normally be taken food, and every day, food-intake just can think that when 2-3kg black finless porpoise set up the conditioned reflex to the forage fiss of throwing something and feeding, and began to adapt to the feeding environment of net cage.
4. cage rearing, the daily cleaning management.
Detect the water quality around the net cage, the water quality of itself and Shishou river, the Changjiang river section is compared.The horizontal no significant difference of both main physical and chemical factors keeps water stabilization in the net cage.
Comprehensive various factors considers that Bei Shi meal in addition, is considered the balance of seasonal variation and the essential amino acid and the nutritive salt of black finless porpoise nutritional need as the first-selected fingerling of the bait of black finless porpoise, in the use of arranging in pairs or groups of the different forage fiss kind of Various Seasonal selection.Mainly select for use most of season length to throw something and feed, add throw something and feed an amount of crucian or brachygnathia long-tailed anchovy in addition less than the new Xian Beishi meal of 10cm.
The forage fiss of said raising is put into special-purpose bucket before feeding, with saline solution sterilization 5 minutes, and 1-2 time weekly, add vitamin in each 5-8 tail fish belly; The black finless porpoise feeding every day amount of growing up is the 5%-10% of its body weight, but its food ration and temperature are closely related.Therefore consider the seasonal variation of water temperature in the net cage, and black finless porpoise is to the seasonal variety of energy requirement, should carries out suitable, in good time adjustment the preparation amount of the forage fiss of black finless porpoise every day.But adjustment can not be too frequent, to guarantee the black finless porpoise nutritional need of every day.
In the initial feeding stage, be main to throw something and feed, so that attract black finless porpoise near specific feeding platform, the mode that adopts hand to feed afterwards promptly carries fish tail, makes the fish head towards black finless porpoise and feeding, each tail.
General every day, feeding was 3 times, and the feeding time in summer is 7:00-7:30,11:30-12:00,18:00-18:30, and the feeding time in winter is 7:30-8:00,11:30-12:00,17:30-18:00; Each feeding time was controlled at 15-30 minute, and the feeding amount of black finless porpoise should be controlled at, and water temperature is below 18 ℃ the time; Every meal is at the 1.2-1.5KG/ head, and in the time of water temperature 18-25 ℃, every meal is at the 1.0-1.2KG/ head; Water temperature is more than 25 ℃ the time, and every meal is at the 0.8-1.0KG/ head.
The content that this specification is not done to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (10)
1. method of utilizing the cage culture black finless porpoise; It is characterized in that: said net cage comprises metal framework and two casings that independent etting arranged side by side surrounds, and personnel selection road, broker's storehouse connects between the casing, and framework is provided with buoyant device; Four angles of bottom half are provided with sinker, and fixture is set around the net cage.
2. the method for utilizing the cage culture black finless porpoise according to claim 1 is characterized in that: said casing adopts 60 strands of soft material nylon wires, and the long 10m of etting, wide 10m, dark 5m, mesh 6cm connect with the wide People's Bank of China's plank road of 1.2m between said two casings arranged side by side; Said framework is the angle steel welding growth 23.6m of 8cm, the rectangle of wide 14.4m; Said buoyant device adopts the cylindrical polystyrene foam of bottom surface diameter 0.5m, high 1.0m, each spacing 1.0m; Said sinker is the cone that concrete casting builds up, each heavy 10kg; Said fixture is 8 anchors that are arranged on around the net cage, and the polyethylene rope that passes to the youthful and the elderly 50m is connected with net cage.
3. the method for utilizing the cage culture black finless porpoise according to claim 1 is characterized in that: said casing adopts 60 strands of soft material nylon wires, and the long 10m of etting, wide 10m, dark 7m, mesh 8cm connect with the wide People's Bank of China's plank road of 1.2m between the said casing; Said framework is the angle steel welding growth 23.6m of 8cm, the rectangle of wide 14.4m; Said buoyant device adopts the cylindrical polystyrene foam of bottom surface diameter 0.5m, high 1.0m, each spacing 1.0m; Said sinker is the cone that concrete casting builds up, each heavy 10kg; Said fixture is 8 anchors that are arranged on around the net cage, and the polyethylene rope that passes to the youthful and the elderly 50m is connected with net cage.
4. according to claim 1 or the 2 or 3 described methods of utilizing the cage culture black finless porpoise, it is characterized in that: the rescue platform that long 6m, wide 3m are set foremost of said casing, and net cage is connected with the floating trestle of bank through long 50m, wide 1.6m.
5. the method for utilizing the cage culture black finless porpoise according to claim 1 is characterized in that said method comprises the following steps:
1) adopts sound to drive the mode that cooperates purse seine to fish for and catch black finless porpoise;
2) adopt half-dried conveying method to transport black finless porpoise;
3) adopt open-air temporary supporting, the mode of artificial feeding is tamed the breeding environment that black finless porpoise adapts to net cage;
4) cage rearing, the daily cleaning management.
6. a kind of method of utilizing the cage culture black finless porpoise according to claim 5 is characterized in that: the landform of said seizure black finless porpoise be the depth of water within 15m, water velocity is less than the big backwater zone of 1.0m/s, the waters that the riverbed is smooth; The time of catching black finless porpoise is the dry season of the 3-4 month or the 11-12 month; It is to utilize the engine noise of power ship and knock to drive the previously selected globefish zone of catching of black finless porpoise entering that said sound is driven; It is that two masters are put the opposing quick off line encirclement black finless porpoise of net boat colony that said purse seine is fished for, and simultaneously in addition two speedboats the net sheet do not close up the zone back and forth fast moving to form sound-screen under water.
7. a kind of method of utilizing the cage culture black finless porpoise according to claim 5 is characterized in that: the black finless porpoise age that said selection is fit to cage rearing is 1.5-3.5 year, or the long 115-130cm of body; Or body weight/body length is 0.29-0.35; Or largest body is enclosed/the long 0.65-0.70 of being of body.
8. a kind of method of utilizing the cage culture black finless porpoise according to claim 5; It is characterized in that: adopt half-dried conveying method to transport black finless porpoise; Make in the waterproof uncovered wall liner with the wooden case of Polypropylence Sheet according to the body size of black finless porpoise; Or the plastic box of liner foam-rubber cushion, the casing size is to guarantee having the gap more than the 20cm to be advisable between black finless porpoise and the tank wall, lay polyfoam spacer at the bottom of the case; Make a stretcher, cloth is advisable with fine canvas, in fin limb and the perforate of anus position; So that let the fin limb stretch out and convenience defecation in transportation, need in the transportation stretcher is fixed in the wooden case, prevent to rock; Cover the cotton of one deck at black finless porpoise health dorsal part, expose the head nostril of black finless porpoise, the bed hedgehopping head with water infiltration; Spread the ointment that is made into by ointment and zinc oxide at fin limb, kiss end place, prevent chapped skin; An automatic sprinkler also to be set, in transportation, constantly be spread across water on the black finless porpoise body.
9. a kind of method of utilizing the cage culture black finless porpoise according to claim 5; It is characterized in that: the black finless porpoise that has just caught in the open air at first need be in the open air domesticating temporarily; It can be adapted to be familiar with the cage culture environment; Adapt to artificial freezing or fresh forage fiss of throwing something and feeding, set up conditioned reflex; The forage fiss of said artificial feeding changes freezing fresh fish into gradually by the living fry of cutting tail fin or pectoral fin, and the frequency of throwing something and feeding is once reduced to every day 3 times by every at a distance from feeding in 1-2 hour gradually, and increases each feeding amount gradually; After black finless porpoise adapts to the bait of throwing something and feeding; Carry out of fixed place and time throwing something and feeding, through strengthening, black finless porpoise will formation condition be reflected; Will arriving fixedly to ingest time, the feeding point waits feed; If black finless porpoise can normally be taken food, and every day, food-intake just can think that when 2-3kg black finless porpoise set up the conditioned reflex to the forage fiss of throwing something and feeding, and began to adapt to the feeding environment of net cage.
10. a kind of method of utilizing the cage culture black finless porpoise according to claim 5; It is characterized in that: detect net cage water quality on every side; The water quality of itself and Shishou river, the Changjiang river section is compared, and the horizontal no significant difference of both main physical and chemical factors keeps water stabilization in the net cage; Select the first-selected fingerling of Bei Shi meal for use, mainly select for use most of season length to throw something and feed, add throw something and feed an amount of crucian or brachygnathia long-tailed anchovy in addition less than the new Xian Beishi meal of 10cm as the bait of black finless porpoise; The forage fiss of said raising was sterilized 5 minutes with saline solution before feeding, and 1-2 time weekly, add vitamin in each 5-8 tail fish belly; The feeding time in summer is 7:00-7:30,11:30-12:00,18:00-18:30, and the feeding time in winter is 7:30-8:00,11:30-12:00,17:30-18:00, and each feeding time was controlled at 15-30 minute; The feeding amount of black finless porpoise should be controlled at, and water temperature is below 18 ℃ the time, and every meal is at the 1.2-1.5KG/ head; In the time of water temperature 18-25 ℃; Every meal is at the 1.0-1.2KG/ head, and water temperature is more than 25 ℃ the time, and every meal is at the 0.8-1.0KG/ head.
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| CN103858797A (en) * | 2014-02-17 | 2014-06-18 | 施建华 | Rising-falling type hard-bottom seawater ecological farming net cage |
| CN104082210A (en) * | 2014-07-04 | 2014-10-08 | 中国水产科学研究院淡水渔业研究中心 | Method for extracting skin tissue from living puffer |
| CN105850815A (en) * | 2016-05-23 | 2016-08-17 | 安庆师范学院 | Natural-environment-simulating temporary culturing facility and temporary culturing method for finless porpoise |
| CN105905249A (en) * | 2016-05-23 | 2016-08-31 | 安庆师范学院 | Cowfish water transporting device and method |
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| CN109258523A (en) * | 2018-10-17 | 2019-01-25 | 湖北长江天鹅洲白鱀豚国家级自然保护区管理处 | A kind of method of Yangtze finless porpoise net cage breeding |
| WO2021083017A1 (en) * | 2019-10-28 | 2021-05-06 | 孙治忠 | Species conservation and remediation technique for yangtze river aquatic animals |
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| WO2021083017A1 (en) * | 2019-10-28 | 2021-05-06 | 孙治忠 | Species conservation and remediation technique for yangtze river aquatic animals |
| CN114009385A (en) * | 2021-11-04 | 2022-02-08 | 安徽省农业科学院水产研究所 | Large-water-surface bighead carp in-situ temporary storage facility and use method thereof |
| CN114365707A (en) * | 2021-12-02 | 2022-04-19 | 中国科学院水生生物研究所 | Method for breeding Changjiang river finless porpoise in full artificial environment |
| CN114365708A (en) * | 2021-12-02 | 2022-04-19 | 中国科学院水生生物研究所 | Full-artificial environment feeding method for Changjiang river finless porpoise |
| CN114365708B (en) * | 2021-12-02 | 2023-03-14 | 中国科学院水生生物研究所 | Full-artificial environment feeding method for Changjiang river finless porpoise |
| CN114287374A (en) * | 2022-01-13 | 2022-04-08 | 中国水产科学研究院渔业机械仪器研究所 | Self-elevating type cage culture platform and method |
| CN114795566A (en) * | 2022-04-24 | 2022-07-29 | 中国科学院水生生物研究所 | Animal baoding device of open-air whale dolphin class hearing ability measurement |
| CN114795566B (en) * | 2022-04-24 | 2024-04-16 | 中国科学院水生生物研究所 | Animal retaining device for measuring auditory ability of field whale |
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