CN112471010B - Self-floating material type culture method for benthic fish - Google Patents
Self-floating material type culture method for benthic fish Download PDFInfo
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- CN112471010B CN112471010B CN202011414813.7A CN202011414813A CN112471010B CN 112471010 B CN112471010 B CN 112471010B CN 202011414813 A CN202011414813 A CN 202011414813A CN 112471010 B CN112471010 B CN 112471010B
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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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K40/00—Shaping or working-up of animal feeding-stuffs
- A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
-
- 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 self-floating material type culture method for benthic fishes, which belongs to the technical field of aquaculture, and can be used for modifying a feed structure, firstly sinking into the water bottom for waiting, when fishes nearby forage, using water flow caused by swimming of the fishes as a trigger condition, sensing a sensing capsule piece on the feed to sense the change of the water flow and then cause resonance, transmitting vibration to an internal disintegration-assisting capsule rod, driving a friction body in a thermal trigger ball to repeatedly rub by magnetic force again, thereby generating heat to heat a thermal decomposition layer, forcing the thermal decomposition layer to generate decomposition reaction and release gas, continuously expanding the gas in the disintegration-assisting capsule rod to finally cause broken holes on the surface of the feed, then inflating and expanding the spherical feed to increase the buoyancy of the feed and float upwards, being beneficial to the direct observation of the fishes, and simultaneously starting disintegration of the feed to facilitate the feeding of the fishes, the utilization rate of the feed and the feeding rate of the fish are improved.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a self-floating material type culture method for benthic fishes.
Background
The aquaculture industry is a water area which can be used by human beings for cultivation (including planting), and is one of agricultural production departments, wherein aquatic economic animal and plant cultivation is carried out by applying aquaculture technology and facilities according to the ecological habits of cultivation objects and different requirements on the environmental conditions of the water area. According to different water area properties, the method is divided into a mariculture industry and a freshwater culture industry. According to the objects of cultivation and planting, the fish, shrimp, crab, shellfish, algae, gordon euryale seed, lotus root, etc. are divided into fish, shrimp, crab, shellfish, etc. The Chinese aquaculture industry has a long history, and fish culture in pool chiseling is known as 1142 years before the Yuan (the beginning of the last week of Yin), and the Liang is recorded in the Fish culture Jing of 460 years before the Yuan, which is the earliest fish culture literature in the world. After a new Chinese is established, all water areas and potential water areas which can be used for cultivation are greatly improved and utilized, the cultivation area is enlarged, and the yield of unit area (water body) is improved; developing new fields and new ways of aquaculture, developing the aquaculture of factory, mechanization, high-density warm running water, net cages (including multilayer net cages), artificial fish reefs, three-dimensional, intercropping and mixing and the like, developing towards the direction of intensive operation, and exploiting the potential of aquaculture production; the aquatic resources and the ecological environment are protected, and the aquaculture industry is developed quickly.
Benthic fish mainly refers to fish living near the bottom of the ocean. Most of benthic fishes are of the loaches and silurus families, such as: squirrel, red-tail catfish, reticular mouse, shovel fish, black line flying fox, elfin, moss mouse, scavenger tail, etc., and also optical back electric eel, seven-star saury, pulmonis, etc. Shark, shark Carcharinus, squash Squalus, platyhalocharus, Raja and iris Dasyatis are common economic demersal fishes, not all fishes like living near the water surface, but some fishes like living at the water bottom, and the fishes are called demersal fishes. Fish in the bottom of lakes or rivers, such as sickle fish or shark, are sometimes also referred to as benthic fish, but are generally referred to as bottom fish in this case.
When breeding benthonic fish, adopt heavy nature fodder to throw to eat mostly, but the environment in place of breeding is generally comparatively complicated, and not only native ground object is more, and the excrement of fish self can hide some fodder simultaneously, and the feed is hardly realized in the discovery of fish, leads to the partial waste of fodder on the one hand, breeds the cost increase, and on the other hand can lead to the phenomenon that fish feed is not enough and influence the phenomenon emergence of growth to reduce the benefit of breeding.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-floating material type culture method for benthic fishes, which can be used for firstly sinking into the water bottom for waiting through the improvement of a feed structure, when fishes nearby forage, the water flow caused by the fishes swimming is used as a trigger condition, a sensing capsule piece on the feed senses the change of the water flow and then causes resonance, vibration is transferred to an internal disintegration-assisting capsule rod, friction bodies in a thermal trigger ball are driven by magnetic force again to repeatedly rub, so that heat is generated to heat a thermal decomposition layer, the thermal decomposition layer is forced to generate decomposition reaction to release gas, the gas is filled into the disintegration-assisting capsule rod to continuously expand to finally cause the broken holes on the surface of the feed, then the spherical feed is inflated to increase the buoyancy of the feed and starts to float, the fishes can be directly observed, and the feed starts to disintegrate and is convenient for the fishes to eat, the utilization rate of the feed and the feeding rate of the fish are improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-floating type culture method for benthic fishes comprises the following steps:
s1, removing garbage, excrement and large stones at the bottom of the culture site before putting the fry;
s2, feeding the self-floating feed twice a day into a breeding place, detecting the growth condition of the fry every other week, and adjusting the feeding amount of the self-floating feed to be 1.2% -1.6% of the weight of the fry all the time;
s3, firstly, sinking the self-floating feed into the water bottom, inducing water flow when the benthic fishes forage nearby, and synchronously following the self-floating feed after sensing the change of the water flow, so as to trigger floating action and start disintegration for the benthic fishes to directly eat;
s4, changing water once every 5-7 days, increasing the dissolved oxygen of the water body, wherein the water changing amount for one time is 1/5-1/4 of the total water amount, and changing water once every day until all the water is changed;
and S5, timely recovering the parts floating on the water surface, draining water and cleaning again after fishing the fish after the cultivation is finished, and starting the next cultivation.
Further, in step S2, the two feeding times are from 6 a.m. to 7 a.m. in the morning and from 4 a.m. to 5 a.m. in the spring and summer, and from 8 a.m. to 9 a.m. in the autumn and winter and from 3 a.m. to 4 a.m. in the afternoon.
Further, from floating the fodder and including spherical fodder, inlay in the spherical fodder and be connected with a plurality of evenly distributed's the capsule stick of helping disintegration, both ends are connected with hot trigger ball and perception cyst piece respectively inside and outside the capsule stick of helping disintegration, and hot trigger ball, help the capsule stick of disintegrating and perception cyst piece communicate in proper order, the perception cyst piece runs through spherical fodder and extends to its outside, and the perception cyst piece is in no gaseous state, and the capsule stick of helping disintegration is in gas filled state, and the perception cyst piece is used for the submarine rivers change of perception to through the action of triggering the aerifing of the heating of helping the capsule stick of disintegrating and triggering the ball, and make spherical fodder open earlier by the inflation of gas in helping the capsule stick of disintegrating, then the inflation of perception cyst piece leads to spherical fodder buoyancy increase and begins the come-up to disintegrate gradually and supply fish direct feed at last superficial in-process.
Furthermore, the perception cyst piece comprises an outer gasbag piece and an elastic fan piece, the elastic fan piece is connected to the inner side of the outer gasbag piece, the perception cyst piece is in a flat fan shape, the outer gasbag piece can be expanded to increase the volume, the elastic fan piece improves the elastic performance of the perception cyst piece, resonance can be better caused in water flow change, and the flat fan shape can better perceive water flow change.
Further, help and disintegrate the pocket stick and include main pocket stick, water-soluble coat and many trompil needles, water-soluble coat cladding is on main pocket stick lateral wall, the trompil needle evenly connected keeps away from the one end that hot trigger ball in main pocket stick, the trompil needle is used for aerifing the inflation back at main pocket stick and assaulting spherical fodder surface, be favorable to promoting its breakage fast, then aerify the perception cystosepiment, simultaneously moisture flows into from the hole and contacts with water-soluble coat, help and disintegrate the pocket stick and lose and the spherical feed between the linkage effect after water-soluble coat dissolves, be favorable to the disintegration of spherical feed with help and disintegrate the pocket stick, the peeling off of hot trigger ball.
Furthermore, the water-soluble coat is prepared from an effervescent disintegrant, and the effervescent disintegrant can be quickly dissolved in water and can react to generate a large amount of gas, so that disintegration of the spherical feed can be accelerated, and the fish can be attracted to eat more obviously.
Further, ball and frictional body in thermal-insulated ectosphere, pyrolysis layer, heat conduction are triggered to heat, the pyrolysis layer is filled between ball in thermal-insulated ectosphere and the heat conduction, and the heat conduction ectosphere center department of locating of ball in the heat conduction, the frictional body is filled in the heat conduction, thermal-insulated ectosphere is close to and helps disintegration capsule stick one end and offers the through-hole that is linked together with helping disintegration capsule stick, can produce a large amount of heats and heat the pyrolysis layer rapidly when the rubbing action appears in the frictional body, then decomposes release gas and release from the through-hole, realizes aerifing helping disintegration capsule stick, perception cystosepiment in proper order.
Furthermore, the thermal decomposition layer is made of a substance which is decomposed by heating to generate gas, and the friction body is a mixture of friction particles and magnetic particles in a mass ratio of 1: 1.
Furthermore, a magnetic attraction ball is arranged in the main airbag rod, an elastic rod is connected between the magnetic attraction ball and the sensing airbag piece, vibration is transmitted to the elastic rod and the magnetic attraction ball in sequence through the sensing airbag piece, and then the magnetic attraction ball attracts magnetic particles to force the magnetic attraction ball to drive the friction particles to repeatedly move and rub in the heat conduction inner ball, so that heat is generated for heating.
Further, in the step S4, the dissolved oxygen amount is maintained at 5mg/L or more during the oxygen enrichment.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can be through reforming transform the feed structure, wait in sinking earlier submarine, near when having fish to seek food, rivers that arouse when utilizing fish to move about come as trigger condition, arouse resonance after the perception cyst piece perception on the fodder changes to rivers, and with vibration transmission to inside help in the disintegration cyst stick, borrow the magnetic force once more and drive the friction member in the hot trigger ball and carry out repeated friction, thereby generate the heat and heat the thermolysis layer and heat, force it to take place decomposition reaction and release gas, gas fills and constantly expands and finally causes the broken hole in fodder surface in helping the disintegration cyst stick, then spherical fodder inflation makes fodder buoyancy increase begin the come-up, be favorable to fish direct observation to arrive, the fodder begins to disintegrate simultaneously and makes things convenient for fish to eat, realize improving the utilization ratio of fodder and the rate of fish eating.
(2) Self-floating feed comprises spherical feed, a plurality of uniformly distributed disintegration-assisting sac rods are embedded in the spherical feed, the inner end and the outer end of each disintegration-assisting sac rod are respectively connected with a thermal trigger ball and a sensing sac sheet, the thermal trigger balls, the disintegration-assisting sac rods and the sensing sac sheets are sequentially communicated, the sensing sac sheets penetrate through the spherical feed and extend to the outer side of the spherical feed, the sensing sac sheets are in an airless state, the disintegration-assisting sac rods are in an inflated state, the sensing sac sheets are used for sensing water flow change at the bottom of a water body, so that inflation actions of the heat trigger balls are triggered through the disintegration-assisting sac rods in a contact mode, expansion of gas in the disintegration-assisting sac rods is used for promoting the spherical feed to crack first, then the sensing sac sheets are inflated and expanded to increase the spherical feed to float upwards, and the disintegration-assisting sac rods are gradually used for fish to eat directly.
(3) The perception cyst slice comprises an outer gasbag slice and an elastic fan slice, the elastic fan slice is connected to the inner side of the outer gasbag slice, the perception cyst slice is in a flat fan shape, the outer gasbag slice can expand to increase the volume, the elastic fan slice improves the elastic performance of the perception cyst slice, resonance can be better caused in water flow change, and the flat fan shape can better perceive water flow change.
(4) Help and disintegrate body bag stick and include main gasbag stick, water-soluble coat and many trompil needles, water-soluble coat cladding is on main gasbag stick lateral wall, the trompil needle is evenly connected in the one end that hot trigger ball was kept away from to main gasbag stick, the trompil needle is used for aerifing the inflation back and assaulting spherical feed surface in main gasbag stick, be favorable to promoting it fast and break, then aerify the perception cystosepiment, simultaneously moisture from the hole in flow into with water-soluble coat contact, help after water-soluble coat dissolves the body bag stick lose with spherical feed between the connecting action, be favorable to spherical feed disintegrate with help the body bag stick, the hot stripping that triggers the ball.
(5) The water-soluble coat is prepared from an effervescent disintegrant, and the effervescent disintegrant can be quickly dissolved in water and can react to generate a large amount of gas, so that the disintegration of the spherical feed can be accelerated, and the fish can be attracted to eat more obviously.
(6) Thermal trigger ball is including thermal-insulated ectosphere, the pyrolysis layer, ball and frictional body in the heat conduction, the pyrolysis layer is filled between ball in thermal-insulated ectosphere and the heat conduction, and thermal-insulated ectosphere center department is located to ball in the heat conduction, the frictional body is filled in ball in the heat conduction, thermal-insulated ectosphere is close to helping disintegration bag stick one end and offers the through-hole that is linked together with helping disintegration bag stick, can produce a large amount of heats the pyrolysis layer rapidly when the rubbing action appears in the frictional body, then decompose release gas and release from the through-hole, realize helping disintegration bag stick in proper order, the aerifing of perception bag piece.
(7) The thermal decomposition layer is made of a substance which generates gas through thermal decomposition, and the friction body is a mixture of friction particles and magnetic particles in a mass ratio of 1: 1.
(8) The magnetic attraction ball is arranged in the main airbag rod, the elastic rod is connected between the magnetic attraction ball and the sensing airbag piece, vibration is transmitted to the elastic rod and the magnetic attraction ball in sequence through the sensing airbag piece, the magnetic attraction ball attracts magnetic particles, and the magnetic attraction ball forces the magnetic attraction ball to drive friction particles to repeatedly migrate and rub in the heat conduction inner ball, so that heat is generated to heat the heat conduction inner ball.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of the self-floating feed of the present invention;
FIG. 3 is a schematic view of a sensing caplet of the present invention;
FIG. 4 is a schematic structural diagram of a disintegration-assisting capsular rod of the present invention;
fig. 5 is a schematic structural view of the thermal trigger ball of the present invention.
The reference numbers in the figures illustrate:
1 spherical feed, 2 sensing capsule tablets, 21 outer capsule tablets, 22 elastic fan tablets, 3 disintegration-assisting capsule rods, 31 main capsule rods, 32 water-soluble coats, 33 perforating needles, 4 heat trigger balls, 41 heat-insulating outer balls, 42 heat decomposition layers, 43 heat-conducting inner balls, 44 friction bodies, 45 through holes, 5 elastic rods and 6 magnetic absorption balls.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a self-floating cultivation method for benthic fish includes the following steps:
s1, removing garbage, excrement and large stones at the bottom of the culture site before putting the fry;
s2, feeding the self-floating feed twice in the breeding place every day, detecting the growth condition of the fry every other week, and adjusting the feeding amount of the self-floating feed to be 1.2-1.6% of the weight of the fry;
s3, firstly, sinking the self-floating feed into the water bottom, inducing water flow when the benthic fishes forage nearby, and synchronously following the self-floating feed after sensing the change of the water flow, so as to trigger floating action and start disintegration for the benthic fishes to directly eat;
s4, changing water once every 5-7 days, increasing the dissolved oxygen of the water body, wherein the water changing amount for one time is 1/5-1/4 of the total water amount, and changing water once every day until the water is completely changed;
and S5, timely recovering the parts floating on the water surface, draining water and cleaning again after fishing the fish after the cultivation is finished, and starting the next cultivation.
In step S2, the two feeding times are from 6 to 7 am, from 4 to 5 pm in spring and summer, from 8 to 9 am and from 3 to 4 pm in autumn and winter.
Referring to fig. 2, the self-floating feed comprises a spherical feed 1, a plurality of disintegration-assisting capsule rods 3 which are uniformly distributed are embedded and connected in the spherical feed 1, the inner end and the outer end of each disintegration-assisting capsule rod 3 are respectively connected with a thermal trigger ball 4 and a sensing capsule piece 2, the thermal trigger balls 4, the disintegration-assisting capsule rods 3 and the sensing capsule pieces 2 are sequentially communicated, the sensing capsule pieces 2 penetrate through the spherical feed 1 and extend to the outer side of the spherical feed 1, the sensing capsule pieces 2 are in an airless state, the disintegration-assisting capsule rods 3 are in an inflated state, the sensing capsule pieces 2 are used for sensing the change of water flow at the water bottom, so that the aeration action of the thermal trigger balls 4 is triggered through the disintegration-assisting capsule rods 3, the spherical feed 1 is cracked first due to the expansion of gas in the disintegration-assisting capsule rods 3, then the spherical feed 1 starts to float upwards due to the inflation expansion of the sensing capsule pieces 2, and is gradually disintegrated for fish to eat directly.
It should be noted that the specific formulation of the spherical feed 1 should be adjusted according to different benthic fish, which is well known to those skilled in the art and will not be described herein.
Referring to fig. 3, the sensing bladder piece 2 includes an outer bladder piece 21 and an elastic fan piece 22, and the elastic fan piece 22 is connected to the inner side of the outer bladder piece 21, the sensing bladder piece 2 is in a flat fan shape, the outer bladder piece 21 can be expanded to increase the volume, the elastic fan piece 22 improves the elastic performance of the sensing bladder piece 2, resonance can be better caused in the change of water flow, and the flat fan shape can better sense the change of water flow.
Referring to fig. 4, the disintegration-assisting sac rod 3 comprises a main sac rod 31, a water-soluble coat 32 and a plurality of perforated needles 33, the water-soluble coat 32 is coated on the outer side wall of the main sac rod 31, the perforated needles 33 are uniformly connected to one end of the main sac rod 31, which is far away from the hot trigger ball 4, the perforated needles 33 are used for impacting the outer surface of the spherical feed 1 after the main sac rod 31 is inflated and expanded, so as to facilitate rapid rupture of the spherical feed, then the sensing sac sheet 2 is inflated, meanwhile, water flows into the holes to be in contact with the water-soluble coat 32, the disintegration-assisting sac rod 3 loses the connection effect with the spherical feed 1 after the water-soluble coat 32 is dissolved, and thus disintegration of the spherical feed 1, stripping of the disintegration-assisting sac rod 3 and the hot trigger ball 4 are facilitated.
The water-soluble coat 32 is made of an effervescent disintegrant, and the effervescent disintegrant can be quickly dissolved in water and can react to generate a large amount of gas, so that the disintegration of the spherical feed 1 can be accelerated, and the fish can be attracted to eat more obviously.
Be equipped with magnetism in the main gasbag stick 31 and inhale ball 6, inhale and be connected with elastic rod 5 between ball 6 and the perception bag piece 2, transmit vibration to elastic rod 5 and magnetism through perception bag piece 2 in proper order and inhale after ball 6, inhale the appeal of ball 6 to magnetic particle through magnetism, force it to drive the friction particle and carry out the migration friction repeatedly in ball 43 in the heat conduction to the production of heat is used for heating.
Referring to fig. 5, the thermal trigger ball 4 includes a thermal insulation outer ball 41, a thermal decomposition layer 42, a thermal conduction inner ball 43 and a friction body 44, the thermal decomposition layer 42 is filled between the thermal insulation outer ball 41 and the thermal conduction inner ball 43, the thermal conduction inner ball 43 is disposed at the center of the thermal insulation outer ball 41, the friction body 44 is filled in the thermal conduction inner ball 43, a through hole 45 communicated with the disintegration-assisting capsule rod 3 is formed at one end of the thermal insulation outer ball 41 close to the disintegration-assisting capsule rod 3, when a friction action occurs in the friction body 44, a large amount of heat is rapidly generated to heat the thermal decomposition layer 42, and then the decomposed released gas is released from the through hole 45, so as to sequentially inflate the disintegration-assisting capsule rod 3 and the sensing capsule 2.
The thermal decomposition layer 42 is made of a material that generates gas by thermal decomposition, such as potassium permanganate, ammonium bicarbonate, etc., and the friction body 44 is a mixture of friction particles and magnetic particles in a mass ratio of 1: 1.
In step S4, the dissolved oxygen amount is kept above 5mg/L during oxygen increasing.
According to the invention, the feed structure can be modified, the feed is firstly sunk into the water bottom for waiting, when fishes nearby forage, the water flow caused by the swimming of the fishes is used as a trigger condition, the sensing bag piece 2 on the feed senses the change of the water flow and then causes resonance, the vibration is transferred to the internal disintegration-assisting bag rod 3, the friction body 44 in the ball 4 is driven by magnetic force to repeatedly rub, so that the thermal disintegration layer 42 is heated by generated heat, the decomposition reaction is forced to occur to release gas, the gas is filled into the disintegration-assisting bag rod 3 and is continuously expanded to finally cause the broken hole on the surface of the feed, then the spherical feed 1 is inflated and expanded to increase the buoyancy of the feed and start floating, the feed starts to disintegrate to facilitate the feeding of the fishes, and the utilization rate of the feed and the feeding rate of the fishes are improved.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (4)
1. A self-floating type culture method for benthic fishes is characterized in that: the method comprises the following steps:
s1, removing garbage, excrement and large stones at the bottom of the culture site before putting the fry;
s2, feeding the self-floating feed twice in the breeding place every day, detecting the growth condition of the fry every other week, and adjusting the feeding amount of the self-floating feed to be 1.2-1.6% of the weight of the fry;
s3, firstly, sinking the self-floating feed into the water bottom, inducing water flow when the benthic fishes forage nearby, and synchronously following the self-floating feed after sensing the change of the water flow, so as to trigger floating action and start disintegration for the benthic fishes to directly eat;
s4, changing water once every 5-7 days, increasing the dissolved oxygen of the water body, wherein the water changing amount for one time is 1/5-1/4 of the total water amount, and changing water once every day until the water is completely changed;
s5, timely recovering the parts floating on the water surface, draining water and cleaning again after fishing the fish after the cultivation is finished, and starting the next cultivation;
the self-floating feed comprises a spherical feed (1), a plurality of disintegration-assisting sac rods (3) which are uniformly distributed are embedded and connected in the spherical feed (1), the disintegration-assisting sac rods (3) are connected with a heat trigger ball (4) and a perception sac sheet (2) at the inner end and the outer end of each disintegration-assisting sac rod (3) respectively, the heat trigger ball (4), the disintegration-assisting sac rods (3) and the perception sac sheet (2) are sequentially communicated, the perception sac sheet (2) penetrates through the spherical feed (1) and extends to the outer side of the spherical feed, the perception sac sheet (2) is in an airless state, the disintegration-assisting sac rods (3) are in an inflated state, the perception sac sheet (2) comprises an outer air sac sheet (21) and an elastic fan sheet (22), the elastic fan sheet (22) is connected to the inner side of the outer air sac sheet (21), the perception sac sheet (2) is in a flat fan-shaped form, and the disintegration-assisting sac rods (3) comprise a main air sac (31), a water-soluble coat (32) and a plurality of perforation needles (33), the water-soluble coat (32) is coated on the outer side wall of the main airbag rod (31), the perforating needles (33) are uniformly connected to one end, far away from the thermal trigger ball (4), of the main airbag rod (31), the thermal trigger ball (4) comprises a heat-insulation outer ball (41), a pyrolysis layer (42), a heat-conduction inner ball (43) and a friction body (44), the pyrolysis layer (42) is filled between the heat-insulation outer ball (41) and the heat-conduction inner ball (43), the heat-conduction inner ball (43) is arranged in the center of the heat-insulation outer ball (41), the friction body (44) is filled in the heat-conduction inner ball (43), one end, close to the disintegration-assisting airbag rod (3), of the heat-insulation outer ball (41) is provided with a through hole (45) communicated with the disintegration-assisting airbag rod (3), the pyrolysis layer (42) is made of a substance capable of generating gas through pyrolysis, and the friction body (44) is a mixture of friction particles and magnetic particles with a mass ratio of 1:1, a magnetic absorption ball (6) is arranged in the main airbag rod (31), and an elastic rod (5) is connected between the magnetic absorption ball (6) and the perception airbag piece (2).
2. The self-floating cultivation method for benthic fish according to claim 1, wherein: in the step S2, the two feeding times are from 6 to 7 am, from 4 to 5 pm in spring and summer, from 8 to 9 am and from 3 to 4 pm in autumn and winter.
3. The self-floating cultivation method for benthic fish according to claim 1, wherein: the water-soluble coat (32) is prepared from an effervescent disintegrant.
4. The self-floating cultivation method for benthic fish according to claim 1, wherein: in the step S4, the dissolved oxygen amount is kept above 5mg/L during oxygenation.
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| SU1243661A1 (en) * | 1985-02-25 | 1986-07-15 | Калининский Ордена Трудового Красного Знамени Политехнический Институт | Method of preparing feed for fish from peat |
| CN2405437Y (en) * | 2000-01-25 | 2000-11-15 | 曾坚 | Hollow fodder |
| CA2706037C (en) * | 2007-10-19 | 2012-08-21 | Ayanda Gmbh & Co. Kg | Fish food capsule |
| US8413968B2 (en) * | 2011-08-26 | 2013-04-09 | Bader Shafaqa Al-Anzi | Water aeration capsules |
| CN103262820B (en) * | 2013-06-17 | 2014-12-03 | 王钏坤 | Floating type spherical net cage |
| CN107087730A (en) * | 2017-03-20 | 2017-08-25 | 曾坚 | Soft inflated buoyancy feed |
| CN107683966A (en) * | 2017-10-23 | 2018-02-13 | 贵州省潘念种养殖有限公司 | A kind of Chinese medicine fodder |
| CN108770761B (en) * | 2018-04-03 | 2021-03-02 | 金华市呗力水产养殖技术有限公司 | Sturgeon breeds device with gasbag |
| CN111418535B (en) * | 2020-05-30 | 2022-05-06 | 韶关市丽丰兆业渔业发展有限公司 | Pond is bred and sprays to throw edible device and use fodder ball structure |
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