CN104719217A - Parent-tor-brevifilis net cage breeding method - Google Patents
Parent-tor-brevifilis net cage breeding method Download PDFInfo
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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
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Abstract
The invention discloses a parent-tor-brevifilis net cage breeding method. The parent-tor-brevifilis net cage breeding method includes the following steps: A, selecting a breeding pond and net cages; B, selecting and transporting parent tor brevifilises, wherein the tor brevifilises, without diseases and injuries on the body surfaces, in the wild environment are selected, the density of the parent tor brevifilises is 190 to 210 per bucket, and oxygenating transportation is carried out in the whole process; C, breeding the parent tor brevifilises, wherein the breeding time is early January, 290 to 310 parent tor brevifilises are bred in each net cage, and the female-to-male proportion is 1:1.2-1.3; D, feeding baits, wherein particle feed is fed, the everyday feeding amount is 0.5% to 1% of the weight of the tor brevifilises in the period from January to March, the everyday feeding amount is 1.5% to 2% of the weight of the tor brevifilises in the period from March to May, the everyday feeding amount is 2% to 4% of the weight of the tor brevifilises in the period from May to October, and the everyday feeding amount is 0.4% to 0.6% of the weight of the tor brevifilises in the period from November to January of the second year; 30% to 40% of the amount of the everyday fed feed is fed at eight o'clock in every morning, and 60% to 70% of the amount of the everyday fed feed is fed at five o'clock in every afternoon; E, preventing diseases.
Description
Technical field
The present invention relates to parent population cultural technique field, particularly relate to a kind of lobe knot fish parent fish raising in cage method.
Background technology
Lobe knot fish belongs to Osteichthyes, Cypriniformes, Cyprinidae, Barbinae, and fish belongs to knot, lobe knot fish subgenus.Be commonly called as: Kazakhstan department, heavy mouth, Ma Zui, cured huge.Lobe knot fish is the middle lower floor fish moved in limpid flowing water, and build is streamlined, head point, and fin is good for, and do good one of fish of swimming.It passes through through being everlasting between water-bed stone riprap, sucks at the bottom of river and on stone face with tubaeform retractile large mouth, with the fragment of benthic mollusc, aquatic insect and larva thereof, plant and thread algae for food.General 3 fish beginnings age in winter reach sexual maturity, and the egg-laying period was estimated between the 6-7 month, and mature brood fish requires to breed under Condition of Supercritical Flow.
Lobe knot fish is a kind of medium-sized economic freshwater fish, and be distributed on the south ChangJiang River, Pearl River system, be the economic fish that producing region is common, it is Fresh & Tender in Texture, be people institute eating, and fat content is high, and growth is very fast, has higher Fishery value.But the growth rate that often increases weight in lobe knot fish parent fish cultivating process is undesirable, and survival rate is not high, and gonad development is slow.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of lobe knot fish parent fish raising in cage method, improve weightening finish growth rate and the survival rate of lobe knot fish parent fish, and gonad development is good.
A kind of lobe knot fish parent fish raising in cage method that the present invention proposes, comprises the steps:
Pond and net cage are cultivated in A, selection: selecting long is 28-32m, and wide is 23-27m, and the pond of the dark 1.4-1.6m in pond is as cultivating pond, and the mud degree of depth at the bottom of pond is 20-30cm; After the water cultivated in pond is drained, carry out the solarization pool, then in pond, add water to dark 25-35cm, then every 600-700m
2evenly splash with 95-105kg quicklime water; In cultivation pond, arrange net cage, the gross area of net cage is the 7-9% cultivating the pond gross area, and cage size is 8.0m × 6.0m × 1m; Net cage with polyethylene knot clothing make, mesh is 40 orders, shape is for closing hexahedron, the cover net of net cage is offered 3m × 2m rectangle to throw something and feed hole, mao bamboon sets up formation support, net cage gang rope and support are fixed, support anchor is fixed in waters, is 8-12cm with cultivating the distance of mud at the bottom of pond bottom net cage; Fixed placement aeration plate bottom each net cage, in order to provide oxygen;
B, parent population are selected and transport: choose the anosis knot of the lobe without wound of body surface in wild environment fish, wherein the milter age is 2-3 age, and male fish length is more than 22cm, milter body weight is more than 240g, the raun age is 3-4 age, and female fish length is more than 30cm, and raun body weight is more than 680g; Employing diameter is 1.5m, the Plastic Drum filling water of high 1.5m carries out splendid attire, and ripe fish density is 190-210 tail/bucket, omnidistance oxygenation transport;
C, parent population are put in a suitable place to breed: net cage is placed on to be cultivated in pond after 1 week, parent population being placed in mass concentration is that the salt solution dipping bath 4-6min of 3-5wt% carries out the sterilization of fish body, then carry out putting in a suitable place to breed in net cage, the time of putting in a suitable place to breed is early January, parent population 290-310 tail put in a suitable place to breed by each net cage, and wherein female-male proportion is 1:1.2-1.3;
D, bait feeding: the lobe knot fish parent fish pellet of throwing something and feeding in net cage; The 1-3 month, day feeding volume account for the 0.5-1% of fish body body weight; The 3-5 month, day feeding volume account for the 1.5-2% of fish body body weight; The 5-10 month, day feeding volume account for the 2-4% of fish body body weight, January in November-Second Year, day feeding volume account for the 0.4-0.6% of fish body body weight; Every bu is thrown something and fed for 2 times, and threw something and fed during every morning 8 30-40% of forage volume of throwing something and feeding day, and threw something and fed during at 5 in afternoon the 60-70% of forage volume of throwing something and feeding day;
E, prevention from suffering from the diseases: carried out cleaning 1 time to net cage body every 1 month, to splash full pond every the quicklime slurrying of 15d 19-21mg/L.
Above-mentioned aeration plate is circular microporous pipeline aeration plate.
Preferably, the protein content of pellet is 36-40wt%.
Preferably, pellet comprises by weight: stick up mouth flesh of fish 15-25 part, wheat head flesh of fish 10-15 part, goby meat 10-20 part, oil meal bar meat 10-15 part, earthworm 10-20 part, freshwater shrimp 5-10 part, shrimp 10-15 part, water flea 12-15 part, red worm 10-15 part, fish meal 30-40 part, popcorn 15-25 part, fermented peanut meal 30-35 part, peanut protein powder 15-20 part, olive oil 2-4 part, B B-complex 2-3 part, composite mineral matter 6-9 part, composite Chinese herbal 2-5 divides.
Preferably, the B B-complex in pellet is by weight by 3-6 part vitamin A, 2-4 part vitamin D
3, 3-5 part vitamin E, 0.5-1 part vitamin K
3, 8-12 part Cobastab
1, 6-10 part Cobastab
2, 3-4 part Cobastab
12, 2-4 part Cobastab
3, 4-7 part Cobastab
5, 1-2 part folic acid and 5-10 part vitamin C composition.
Preferably, the composite mineral matter in pellet comprises by weight percentage: cupric sulfate pentahydrate 10-20 part, ferrous sulfate monohydrate 20-40 part, monohydrate zinc sulphate 20-30 part, sodium selenite 3-6 part, calcium iodide 15-20 part, manganese sulphate 2-4 part, cobalt sulphate 1-3 part.
Preferably, the composite Chinese herbal in pellet comprises by weight: Divine Comedy 3-5 part, Fructus Hordei Germinatus 5-8 part, dodder 1-3 part, cynomorium songaricum 1-2 part, barrenwort 3-4 part, fruit of Rangoon creeper 3-5 part, aloe 2-4 part.
Preferably, pellet comprises by weight: stick up mouth and oppress 20 parts, the wheat head oppresses 13 parts, goby meat 15 parts, oil meal bar meat 13 parts, earthworm 15 parts, freshwater shrimp 8 parts, shrimp 12 parts, water flea 13 parts, red worm 12 parts, fish meal 35 parts, popcorn 20 parts, fermented peanut meal 32 parts, peanut protein powder 18 parts, 3 parts, olive oil, B B-complex 2.6 parts, composite mineral matter 7.8 parts, composite Chinese herbal 3 points.
Above-mentioned feed is prepared by following technique: after sticking up the mouth flesh of fish, the wheat head flesh of fish, goby meat, oil meal bar meat, earthworm, freshwater shrimp, shrimp, water flea and the mixing of red worm, being dried to moisture is 15-20wt%, add fish meal, popcorn, fermented peanut meal, peanut protein powder, olive oil, B B-complex, composite mineral matter and composite Chinese herbal again, heated-air drying to moisture is 3-5wt%, pulverize, cross 50 mesh sieves, granulation, to obtain final product.
The present invention, by selecting to cultivate pond and net cage, ensure that the parent population living environment in net cage is good, before placement net cage, shines the pool, remove the residual bait bottom fish pond to the cleaning of cultivation pond, ight soil, wild fishes shrimp, plankton, pasture and water, Tibetan mud biology and other benthons are (as shellfish, spiral shell), humus, reduces bottom organics and decomposes oxygen consumption, and can improve water quality, reduces organic fermentation and produces ammonia, hydrogen sulphide, the pernicious gases such as methane, also utilize ultraviolet to kill various virus, bacterium and parasite etc., reduce pathogeny, create good environment, reduce the incidence of disease of fish, highly basic slaked lime is generated again by quicklime water, and release a large amount of heat, its hydroxide ion can make the pH value of Chi Shui bring up to more than 11 at short notice, thus sterilizing and the object of killing harmful organisms can be reached rapidly further, and slaked lime and carbon dioxide reaction generate calcium carbonate, make the structure that the mud bottom fish pond becomes loose, improve mud aeration condition, accelerate bed mud organic matter decomposition, add the metathesis of calcium, discharge the nitrogen adsorbed by mud, phosphorus, the nutrients such as potassium, make Chi Shui grow fat, and can play the effect of fertilising indirectly, parent population adopts salt solution to soak before putting in a suitable place to breed, to kill the microorganism of parent population body surface, reduces the ill probability of parent population, and before parent population cartonning 1 week, net cage is placed on cultivate in pond the aquatiles such as algae, pasture and water, spiral shell can be attached on cage netting, rub after the cartonning of fish body can be reduced injured, by controlling feeding volume and the protein content of different month feed, make lobe fish of marrying can adapt to net cage fast, and can continue to increase and increase weight, raising lobe is married the output of fish.
In the particles used feed of the present invention, stick up the mouth flesh of fish, the wheat head flesh of fish, goby meat, oil meal bar meat, earthworm, freshwater shrimp, shrimp, water flea, red worm as animal feed, meet the eating habit of lobe knot fish, promote the opening feed as early as possible of lobe knot fish, and above-mentioned raw materials is insect, shrimps and fish, be high protein and low fat food, meet the nutritional need that lobe knot sashimi (raw fish) is long; Cooperatively interact with fish meal, popcorn, fermented peanut meal, peanut protein powder, olive oil, B B-complex, composite mineral matter and composite Chinese herbal, wherein fish meal, popcorn, fermented peanut meal and peanut protein powder are as high protein and low fat food, promote the weightening finish of lobe knot fish; And the adding of olive oil, B B-complex and composite mineral matter, the vitamin of lobe knot needed for fish and mineral matter can be met, prevent lobe from tying fish due to some vitamin and/or microelement deficiencies, cause some enzyme in body to synthesize, thus it is sick to cause lobe to tie sashimi (raw fish); And Divine Comedy in composite Chinese herbal, Fructus Hordei Germinatus promote that lobe knot fish digests and assimilates, dodder, cynomorium songaricum and barrenwort combine, and can promote that lobe ties fish gonad development, the fruit of Rangoon creeper and aloe compatibility, can improve the immunity of lobe knot fish.The present invention, by net cage ecological cultivation method, improves lobe knot fish parent fish survival rate, promotes that lobe knot fish increases weightening finish, can also promote that lobe ties the gonad development of fish parent fish, thus cultivates the high high-quality lobe knot fish parent fish of maturing rate.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of lobe knot fish parent fish raising in cage method that the present invention proposes, comprises the steps:
Pond and net cage are cultivated in A, selection: selecting long is 28m, and wide is 27m, and the pond of the dark 1.4m in pond is as cultivating pond, and the mud degree of depth at the bottom of pond is 30cm; After the water cultivated in pond is drained, carry out the solarization pool, then in pond, add water to dark 25cm, then every 700m
2evenly splash with 95kg quicklime water; In cultivation pond, arrange net cage, the gross area of net cage is cultivate the pond gross area 9%, and cage size is 8.0m × 6.0m × 1m; Net cage with polyethylene knot clothing make, mesh is 40 orders, shape is for closing hexahedron, the cover net of net cage is offered 3m × 2m rectangle to throw something and feed hole, mao bamboon sets up formation support, net cage gang rope and support are fixed, support anchor is fixed in waters, is 8cm with cultivating the distance of mud at the bottom of pond bottom net cage; The circular microporous pipeline aeration plate of fixed placement 2 bottom each net cage, in order to provide oxygen;
B, parent population are selected and transport: choose the anosis knot of the lobe without wound of body surface in wild environment fish, wherein the milter age is 2-3 age, and male fish length is more than 22cm, milter body weight is more than 240g, the raun age is 3-4 age, and female fish length is more than 30cm, and raun body weight is more than 680g; Employing diameter is 1.5m, the Plastic Drum filling water of high 1.5m carries out splendid attire, and ripe fish density is 210 tails/bucket, omnidistance oxygenation transport;
C, parent population are put in a suitable place to breed: net cage is placed on to be cultivated in pond after 1 week, parent population being placed in mass concentration is that the salt solution dipping bath 6min of 3wt% carries out the sterilization of fish body, and then carry out putting in a suitable place to breed in net cage, the time of putting in a suitable place to breed is early January, parent population 290 tail put in a suitable place to breed by each net cage, and wherein female-male proportion is 1:1.3;
D, bait feeding: the lobe knot fish parent fish pellet of throwing something and feeding in net cage; The 1-3 month, day feeding volume account for 0.5% of fish body body weight; The 3-5 month, day feeding volume account for 2% of fish body body weight; The 5-10 month, day feeding volume account for 2% of fish body body weight, January in November-Second Year, day feeding volume account for 0.6% of fish body body weight; Every bu is thrown something and fed for 2 times, 30% of forage volume of throwing something and feeding day of throwing something and feeding during every morning 8,70% of forage volume of throwing something and feeding day of throwing something and feeding during at 5 in afternoon;
Wherein, the protein content of pellet is 40wt%; Pellet comprises by weight: stick up mouth and oppress 15 parts, the wheat head oppresses 15 parts, goby meat 10 parts, oil meal bar meat 15 parts, earthworm 10 parts, freshwater shrimp 10 parts, shrimp 10 parts, water flea 15 parts, red worm 10 parts, fish meal 40 parts, popcorn 15 parts, fermented peanut meal 35 parts, peanut protein powder 15 parts, 4 parts, olive oil, B B-complex 2 parts, composite mineral matter 9 parts, composite Chinese herbal 2 points;
B B-complex is by weight by 6 parts of vitamin As, 2 parts of vitamin Ds
3, 5 parts of vitamin E, 0.5 part of vitamin K
3, 12 parts of Cobastabs
1, 6 parts of Cobastabs
2, 4 parts of Cobastabs
12, 2 parts of Cobastabs
3, 7 parts of Cobastabs
5, 1 part of folic acid and 10 parts of vitamin Cs compositions; Composite mineral matter comprises by weight percentage: cupric sulfate pentahydrate 10 parts, ferrous sulfate monohydrate 40 parts, monohydrate zinc sulphate 20 parts, sodium selenite 6 parts, calcium iodide 15 parts, manganese sulphate 4 parts, cobalt sulphate 1 part; Composite Chinese herbal comprises by weight: Divine Comedy 5 parts, 5 parts, Fructus Hordei Germinatus, dodder 3 parts, cynomorium songaricum 1 part, barrenwort 4 parts, the fruit of Rangoon creeper 3 parts, aloe 4 parts;
E, prevention from suffering from the diseases: carried out cleaning 1 time to net cage body every 1 month, to splash full pond every the quicklime slurrying of 15d 19mg/L.
Embodiment 2
A kind of lobe knot fish parent fish raising in cage method that the present invention proposes, comprises the steps:
Pond and net cage are cultivated in A, selection: selecting long is 32m, and wide is 23m, and the pond of the dark 1.6m in pond is as cultivating pond, and the mud degree of depth at the bottom of pond is 20cm; After the water cultivated in pond is drained, carry out the solarization pool, then in pond, add water to dark 35cm, then every 600m
2evenly splash with 105kg quicklime water; In cultivation pond, arrange net cage, the gross area of net cage is cultivate the pond gross area 7%, and cage size is 8.0m × 6.0m × 1m; Net cage with polyethylene knot clothing make, mesh is 40 orders, shape is for closing hexahedron, the cover net of net cage is offered 3m × 2m rectangle to throw something and feed hole, mao bamboon sets up formation support, net cage gang rope and support are fixed, support anchor is fixed in waters, is 12cm with cultivating the distance of mud at the bottom of pond bottom net cage; The circular microporous pipeline aeration plate of fixed placement 2 bottom each net cage, in order to provide oxygen;
B, parent population are selected and transport: choose the anosis knot of the lobe without wound of body surface in wild environment fish, wherein the milter age is 2-3 age, and male fish length is more than 22cm, milter body weight is more than 240g, the raun age is 3-4 age, and female fish length is more than 30cm, and raun body weight is more than 680g; Employing diameter is 1.5m, the Plastic Drum filling water of high 1.5m carries out splendid attire, and ripe fish density is 190 tails/bucket, omnidistance oxygenation transport;
C, parent population are put in a suitable place to breed: net cage is placed on to be cultivated in pond after 1 week, parent population being placed in mass concentration is that the salt solution dipping bath 4min of 5wt% carries out the sterilization of fish body, and then carry out putting in a suitable place to breed in net cage, the time of putting in a suitable place to breed is early January, parent population 310 tail put in a suitable place to breed by each net cage, and wherein female-male proportion is 1:1.2;
D, bait feeding: the lobe knot fish parent fish pellet of throwing something and feeding in net cage; The 1-3 month, day feeding volume account for 1% of fish body body weight; The 3-5 month, day feeding volume account for 1.5% of fish body body weight; The 5-10 month, day feeding volume account for 4% of fish body body weight, January in November-Second Year, day feeding volume account for 0.4% of fish body body weight; Every bu is thrown something and fed for 2 times, 40% of forage volume of throwing something and feeding day of throwing something and feeding during every morning 8,60% of forage volume of throwing something and feeding day of throwing something and feeding during at 5 in afternoon;
Wherein, the protein content of pellet is 36wt%; Pellet comprises by weight: stick up mouth and oppress 25 parts, the wheat head oppresses 10 parts, goby meat 20 parts, oil meal bar meat 10 parts, earthworm 20 parts, freshwater shrimp 5 parts, shrimp 15 parts, water flea 12 parts, red worm 15 parts, fish meal 30 parts, popcorn 25 parts, fermented peanut meal 30 parts, peanut protein powder 20 parts, 2 parts, olive oil, B B-complex 3 parts, composite mineral matter 6 parts, composite Chinese herbal 5 points;
B B-complex is by weight by 3 parts of vitamin As, 4 parts of vitamin Ds
3, 3 parts of vitamin E, 1 part of vitamin K
3, 8 parts of Cobastabs
1, 10 parts of Cobastabs
2, 3 parts of Cobastabs
12, 4 parts of Cobastabs
3, 4 parts of Cobastabs
5, 2 parts of folic acid and 5 parts of vitamin Cs compositions; Composite mineral matter comprises by weight percentage: cupric sulfate pentahydrate 20 parts, ferrous sulfate monohydrate 20 parts, monohydrate zinc sulphate 30 parts, sodium selenite 3 parts, calcium iodide 20 parts, manganese sulphate 2 parts, cobalt sulphate 3 parts; Composite Chinese herbal comprises by weight: Divine Comedy 3 parts, 8 parts, Fructus Hordei Germinatus, dodder 1 part, cynomorium songaricum 2 parts, barrenwort 3 parts, the fruit of Rangoon creeper 5 parts, aloe 2 parts;
E, prevention from suffering from the diseases: carried out cleaning 1 time to net cage body every 1 month, to splash full pond every the quicklime slurrying of 15d 21mg/L.
Embodiment 3
A kind of lobe knot fish parent fish raising in cage method that the present invention proposes, comprises the steps:
Pond and net cage are cultivated in A, selection: selecting long is 30m, and wide is 25m, and the pond of the dark 1.5m in pond is as cultivating pond, and the mud degree of depth at the bottom of pond is 25cm; After the water cultivated in pond is drained, carry out the solarization pool, then in pond, add water to dark 30cm, then every 667m
2evenly splash with 100kg quicklime water; In cultivation pond, arrange net cage, the gross area of net cage is cultivate the pond gross area 8%, and cage size is 8.0m × 6.0m × 1m; Net cage with polyethylene knot clothing make, mesh is 40 orders, shape is for closing hexahedron, the cover net of net cage is offered 3m × 2m rectangle to throw something and feed hole, mao bamboon sets up formation support, net cage gang rope and support are fixed, support anchor is fixed in waters, is 10cm with cultivating the distance of mud at the bottom of pond bottom net cage; The circular microporous pipeline aeration plate of fixed placement 2 bottom each net cage, in order to provide oxygen;
B, parent population are selected and transport: choose the anosis knot of the lobe without wound of body surface in wild environment fish, wherein the milter age is 2-3 age, and male fish length is more than 22cm, milter body weight is more than 240g, the raun age is 3-4 age, and female fish length is more than 30cm, and raun body weight is more than 680g; Employing diameter is 1.5m, the Plastic Drum filling water of high 1.5m carries out splendid attire, and ripe fish density is 200 tails/bucket, omnidistance oxygenation transport;
C, parent population are put in a suitable place to breed: net cage is placed on to be cultivated in pond after 1 week, parent population being placed in mass concentration is that the salt solution dipping bath 5min of 4wt% carries out the sterilization of fish body, and then carry out putting in a suitable place to breed in net cage, the time of putting in a suitable place to breed is early January, parent population 300 tail put in a suitable place to breed by each net cage, and wherein female-male proportion is 1:1.2;
D, bait feeding: the lobe knot fish parent fish pellet of throwing something and feeding in net cage; The 1-3 month, day feeding volume account for 0.8% of fish body body weight; The 3-5 month, day feeding volume account for 1.8% of fish body body weight; The 5-10 month, day feeding volume account for 3% of fish body body weight, January in November-Second Year, day feeding volume account for 0.5% of fish body body weight; Every bu is thrown something and fed for 2 times, 35% of forage volume of throwing something and feeding day of throwing something and feeding during every morning 8,65% of forage volume of throwing something and feeding day of throwing something and feeding during at 5 in afternoon;
Wherein, the protein content of pellet is 38wt%; Pellet comprises by weight: stick up mouth and oppress 20 parts, the wheat head oppresses 13 parts, goby meat 15 parts, oil meal bar meat 13 parts, earthworm 15 parts, freshwater shrimp 8 parts, shrimp 12 parts, water flea 13 parts, red worm 12 parts, fish meal 35 parts, popcorn 20 parts, fermented peanut meal 32 parts, peanut protein powder 18 parts, 3 parts, olive oil, B B-complex 2.6 parts, composite mineral matter 7.8 parts, composite Chinese herbal 3 points;
B B-complex is by weight by 5 parts of vitamin As, 3 parts of vitamin Ds
3, 4 parts of vitamin E, 0.8 part of vitamin K
3, 10 parts of Cobastabs
1, 8 parts of Cobastabs
2, 3.4 parts of Cobastabs
12, 3 parts of Cobastabs
3, 6 parts of Cobastabs
5, 1.3 parts of folic acid and 8 parts of vitamin Cs compositions; Composite mineral matter comprises by weight percentage: cupric sulfate pentahydrate 15 parts, ferrous sulfate monohydrate 30 parts, monohydrate zinc sulphate 25 parts, sodium selenite 5 parts, calcium iodide 18 parts, manganese sulphate 3 parts, cobalt sulphate 2 parts; Composite Chinese herbal comprises by weight: Divine Comedy 4 parts, 6 parts, Fructus Hordei Germinatus, dodder 2 parts, cynomorium songaricum 1.5 parts, barrenwort 3.4 parts, the fruit of Rangoon creeper 4 parts, aloe 3 parts;
E, prevention from suffering from the diseases: carried out cleaning 1 time to net cage body every 1 month, to splash full pond every the quicklime slurrying of 15d 20mg/L.
Adopt the raising in cage method of embodiment 3 to cultivate lobe knot fish parent fish, the survival rate of lobe knot fish parent fish can reach 100%, to Second Year at the beginning of 4 months, and the long growth by 55.3% of parent population average body; Average weight increases by 57.6%, obviously can see milter and chase raun etc. and to oestrus phenomenon.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a lobe knot fish parent fish raising in cage method, is characterized in that, comprise the steps:
Pond and net cage are cultivated in A, selection: selecting long is 28-32m, and wide is 23-27m, and the pond of the dark 1.4-1.6m in pond is as cultivating pond, and the mud degree of depth at the bottom of pond is 20-30cm; After the water cultivated in pond is drained, carry out the solarization pool, then in pond, add water to dark 25-35cm, then every 600-700m
2evenly splash with 95-105kg quicklime water; In cultivation pond, arrange net cage, the gross area of net cage is the 7-9% cultivating the pond gross area, and cage size is 8.0m × 6.0m × 1m; Net cage with polyethylene knot clothing make, mesh is 40 orders, shape is for closing hexahedron, the cover net of net cage is offered 3m × 2m rectangle to throw something and feed hole, mao bamboon sets up formation support, net cage gang rope and support are fixed, support anchor is fixed in waters, is 8-12cm with cultivating the distance of mud at the bottom of pond bottom net cage; Fixed placement aeration plate bottom each net cage, in order to provide oxygen;
B, parent population are selected and transport: choose the anosis knot of the lobe without wound of body surface in wild environment fish, wherein the milter age is 2-3 age, and male fish length is more than 22cm, milter body weight is more than 240g, the raun age is 3-4 age, and female fish length is more than 30cm, and raun body weight is more than 680g; Employing diameter is 1.5m, the Plastic Drum filling water of high 1.5m carries out splendid attire, and ripe fish density is 190-210 tail/bucket, omnidistance oxygenation transport;
C, parent population are put in a suitable place to breed: net cage is placed on to be cultivated in pond after 1 week, parent population being placed in mass concentration is that the salt solution dipping bath 4-6min of 3-5wt% carries out the sterilization of fish body, then carry out putting in a suitable place to breed in net cage, the time of putting in a suitable place to breed is early January, parent population 290-310 tail put in a suitable place to breed by each net cage, and wherein female-male proportion is 1:1.2-1.3;
D, bait feeding: the lobe knot fish parent fish pellet of throwing something and feeding in net cage; The 1-3 month, day feeding volume account for the 0.5-1% of fish body body weight; The 3-5 month, day feeding volume account for the 1.5-2% of fish body body weight; The 5-10 month, day feeding volume account for the 2-4% of fish body body weight, January in November-Second Year, day feeding volume account for the 0.4-0.6% of fish body body weight; Every bu is thrown something and fed for 2 times, and threw something and fed during every morning 8 30-40% of forage volume of throwing something and feeding day, and threw something and fed during at 5 in afternoon the 60-70% of forage volume of throwing something and feeding day;
E, prevention from suffering from the diseases: carried out cleaning 1 time to net cage body every 1 month, to splash full pond every the quicklime slurrying of 15d 19-21mg/L.
2. lobe ties fish parent fish raising in cage method according to claim 1, and it is characterized in that, the protein content of pellet is 36-40wt%.
3. lobe ties fish parent fish raising in cage method according to claim 2, it is characterized in that, pellet comprises by weight: stick up mouth flesh of fish 15-25 part, wheat head flesh of fish 10-15 part, goby meat 10-20 part, oil meal bar meat 10-15 part, earthworm 10-20 part, freshwater shrimp 5-10 part, shrimp 10-15 part, water flea 12-15 part, red worm 10-15 part, fish meal 30-40 part, popcorn 15-25 part, fermented peanut meal 30-35 part, peanut protein powder 15-20 part, olive oil 2-4 part, B B-complex 2-3 part, composite mineral matter 6-9 part, composite Chinese herbal 2-5 divides.
4. lobe knot fish parent fish raising in cage method according to Claims 2 or 3, it is characterized in that, the B B-complex in pellet is by weight by 3-6 part vitamin A, 2-4 part vitamin D
3, 3-5 part vitamin E, 0.5-1 part vitamin K
3, 8-12 part Cobastab
1, 6-10 part Cobastab
2, 3-4 part Cobastab
12, 2-4 part Cobastab
3, 4-7 part Cobastab
5, 1-2 part folic acid and 5-10 part vitamin C composition.
5. lobe knot fish parent fish raising in cage method according to any one of claim 2-4, it is characterized in that, composite mineral matter in pellet comprises by weight percentage: cupric sulfate pentahydrate 10-20 part, ferrous sulfate monohydrate 20-40 part, monohydrate zinc sulphate 20-30 part, sodium selenite 3-6 part, calcium iodide 15-20 part, manganese sulphate 2-4 part, cobalt sulphate 1-3 part.
6. lobe knot fish parent fish raising in cage method according to any one of claim 2-5, it is characterized in that, the composite Chinese herbal in pellet comprises by weight: Divine Comedy 3-5 part, Fructus Hordei Germinatus 5-8 part, dodder 1-3 part, cynomorium songaricum 1-2 part, barrenwort 3-4 part, fruit of Rangoon creeper 3-5 part, aloe 2-4 part.
7. lobe knot fish parent fish raising in cage method according to any one of claim 2-6, it is characterized in that, pellet comprises by weight: stick up mouth and oppress 20 parts, the wheat head oppresses 13 parts, goby meat 15 parts, oil meal bar meat 13 parts, earthworm 15 parts, freshwater shrimp 8 parts, shrimp 12 parts, water flea 13 parts, red worm 12 parts, fish meal 35 parts, popcorn 20 parts, fermented peanut meal 32 parts, peanut protein powder 18 parts, 3 parts, olive oil, B B-complex 2.6 parts, composite mineral matter 7.8 parts, composite Chinese herbal 3 points.
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