CN102893927B - Feeding method of controllable bait for fries of Takifugu flavidus - Google Patents
Feeding method of controllable bait for fries of Takifugu flavidus Download PDFInfo
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- CN102893927B CN102893927B CN201110212460.7A CN201110212460A CN102893927B CN 102893927 B CN102893927 B CN 102893927B CN 201110212460 A CN201110212460 A CN 201110212460A CN 102893927 B CN102893927 B CN 102893927B
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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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- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract
The invention relates to a feeding method of controllable bait for fries of Takifugu flavidus. The feeding method is characterized by comprising the following steps of: taking egg yolk as the bait during the initial stage when the fries are aged 2-10 days, and uniformly splashing and feeding in a full pool six times per day; taking Artemia larvae which are justly hatched as the bait when the fries are aged 7-10 days, and supplementing twice per day, wherein the feeding density is 2-3 larvae/ml; taking the Artemia larvae as the bait when the fries are aged 11-19 days, and supplementing twice per day, wherein the feeding density is 3-5 larvae/ml; taking frozen copepods as the bait when the fries are aged 14-19 days, uniformly splashing and feeding in the full pool, and supplementing six times per day, wherein the feeding density is 4-6 copepods/ml; taking the frozen copepods as the bait when the fries are aged 20-25 days, uniformly splashing and feeding in the full pool, and supplementing six times per day, wherein the feeding density is 4-6 copepods/ml; taking frozen large Artemia as the bait when the fries are aged 25-35 days, melting the bait at normal temperature, feeding to a bait table, and supplementing three times per day; and feeding compound feed when the fries are aged 30-35 days, placing 4-6 blocks of the compound feed on each bait table, and feeding twice per day, wherein the compound feed is kneaded into pastes.
Description
Technical field
The present invention relates to the feeding method of the controlled bait of the chrysanthemum yellow Fugu fry of yellow Fugu cultivation, especially chrysanthemum.
Background technology
The yellow Fugu of chrysanthemum (Takifugu flavidus) belongs to Tetraodontiformes, Puffer suborder, Molidae, Fugu belongs to, mainly be distributed in China's the East China Sea and the Yellow Sea and the Bohai Sea, belong to coastal waters, temperate zone demersal fishes, generally do not do the migration of long distance, mainly take the invertebrates such as shell-fish, shellfish and small fish is food, has very high nutritive value and medical value.Its muscle is pure white as white, and meat flavour fat is beautiful, fresh and tender good to eat, is rich in protein, nutritious, is described as first of " the Changjiang river three delicacies ".At present, in the river Puffer fingerling class of domestic cultivation, the yellow Fugu market price of chrysanthemum is the highest, reach 150-200 unit/kilogram.In addition, the tetraodotoxin (TTX) extracting from the yellow Fugu liver of chrysanthemum, sexual gland is a kind of very strong neurotoxin, is research retardance Na on medical science, physiology
+the important medicine of passage; Low dose of use can be treated nervous system disease and be alleviated ache in late cancer etc. clinically.Therefore the yellow Fugu of chrysanthemum has very high medical value.But due to the impact of factors such as being subject to that environmental deterioration and indiscriminate fishing are extremely caught, the yellow Fugu natural resources of chrysanthemum amount sharply declines, and therefore by the research of the yellow Fugu artificial breeding technology of chrysanthemum, can meet the demand of medical drugs, also can make up the decline of its resource simultaneously.
At present, the bait of the yellow Fugu artificial breeding of chrysanthemum is mainly the seawater copepoda of water rotifer-artemia larvae-fresh and alive etc., although these fresh foods, throw something and feed conveniently, simple and convenient management, but also there are following shortcomings: 1) cultivate the peak period of fresh food and the agreeable to the taste bait time match of fry rearing and be difficult to, but also be subject to the impact of environmental weather conditions, open-mouthed bait-water rotifer particularly, often there is such situation: grow seedlings when producing a large amount of needs, wheel animalcule peak is not arrived, and can not supply in a large number; And grow seedlings, produce unwanted time, bait is cultivated in pond a large amount of wheel animalcules; 2) cultivation of seawater fresh food needs certain Tu Chi pond, seawater copepoda particularly, it is more difficult that copepoda is cultivated, there is no obvious peak period, be exactly in peak period, the density of copepoda is also very low, and this causes certain problem to the collection of bait, and this is also grown seedlings and produced restraining factors on a large scale; 3) in fresh food, the bait of cultivating large individuality is difficult to, particularly the yellow Fugu fry of chrysanthemum total length reaches after 1.5cm, fry has very strong aggressiveness, even if at this moment large individual copepoda also has no idea to meet fry and likes the requirement of particle diameter and the sizable bait of its schistostoma of ingesting, if there is no agreeable to the taste bait, fry can bait mutually chrysanthemum Huang Fugu, mutual residual probability rises, and can reduce the survival rate that seed produces.Controlled bait refers to business-like bait, and the supply of this bait series does not need special place, not free restriction, and also quality and quantity can be guaranteed.The invention provides the yellow Fugu of a kind of applicable chrysanthemum grow seedlings controlled bait series and the feeding method in each stage; for the yellow Fugu scale breeding of chrysanthemum is produced the technique guarantee that bait aspect is provided; also can reduce fry residual probability mutually, improve the survival rate of seed rearing simultaneously.
Summary of the invention
The object of this invention is to provide the yellow Fugu of a kind of applicable chrysanthemum grow seedlings controlled bait series and the feeding method in each stage.
Technical scheme of the present invention:
2-10 age in days: in the opening stage, bait is yolk, sieves with 100 mesh sieve thin,tough silk, adopts full pond evenly to splash and throw something and feed, every day 6 times: 5:00,8:00,11:00,14:00,17:00,20:00, each 1 yolk/10 ton water body;
7-10 age in days: the artemia larvae of just having hatched for bait, with 200,000 every gram above artemia ovum hatchings, hatching water temperature 27-28 ℃, hatch 18 hours, artemia larvae just membrane is thrown something and fed to fry, maintains density 2-3/ml, and supplement 2 every day: 9:00,15:00;
11-19 age in days: bait artemia larvae, the density of throwing something and feeding 3-5/ml, supplement 2 every day: 9:00,15:00; This stage is a minute seedling stage, reduces the cultivation density of fry;
14-19 age in days: bait is used freezing copepoda, with 30 mesh sieve thin,tough silk sieves after melting under freezing copepoda normal temperature, adopts full pond evenly to splash and throw something and feed, and the density of throwing something and feeding 4-6/ml, supplement 6 every day, and Feeding time is with yolk Feeding time;
20-25 age in days: bait is used freezing copepoda, 20 mesh sieve thin,tough silk sieve, and feeding method adopts full pond evenly to splash and throw something and feed, and the density of throwing something and feeding 4-6/ml, supplement 6 every day, and Feeding time is with yolk Feeding time;
25-35 age in days: bait, with freezing large halogen worm, first melts at normal temperatures, then scalds with boiling water, carry out disinfection, the bait table of then throwing something and feeding, bait table specification: 50cm*50cm, 20 Muchuang gauzes, bait table is placed in the following 50-80cm of water surface place, and supplement 3 every day: 9:00,15:00,19:00;
30-35 age in days: draw and feed manufactured feed, manufactured feed is kneaded into dough shape, each bait table is placed 4-6 piece, throws something and feeds every day 2 times: 9:00,15:00.
The present invention with respect to the outstanding feature of prior art is: the problem that 1) has solved agreeable to the taste bait time match difficulty during the yellow Fugu seed rearing of chrysanthemum; 2) controlled bait does not need a large amount of ponds, has solved the problem of the supporting pond difficulty of growing seedlings, for the yellow Fugu scale of chrysanthemum seed rearing provides the technical support of agreeable to the taste bait; 3) the agreeable to the taste bait problem of large specification fry, has reduced the mutual residual probability of fry, has improved seed rearing survival rate.In addition, controlled bait of the present invention is easy to prepare, easy and simple to handle, is easy to be accepted and promote.
Embodiment
The yellow Fugu newly hatched larvae of chrysanthemum is supported temporarily after 3-4 days in hatchery, moves into seed rearing pond, puts seedling density 0.5-1.0 ten thousand tails/m
3, the pond water water level of putting seedling is 40cm; Put seedling and within after the same day the 2nd day, start to add water, after putting seedling, within the 4th day, fill it up with water level 120cm, within the 5th day, start to change water after putting seedling, at this moment start to inhale the end every day once, in the following days, change every other day water 2/3, after putting seedling, within 8-10 days, start, change water 2/3 every day; While putting seedling, the density of gas exhausting stone is 1.5/m
2, to the density of later stage gas exhausting stone, reduce to 1/m
2; While putting seedling, water temperature is 21.5 ± 0.5 ℃, heats up 1.0 ℃ every 24h later, rises to 24.5 ± 0.5 ℃ of water temperatures;
Bait series and feeding method:
2-10 age in days: the opening stage, fry total length 0.32-0.38cm, bait is yolk, with 100 mesh sieve thin,tough silk, sieve, adopt the full pond feeding method of evenly splashing, every day 6 times: 5:00,8:00,11:00,14:00,17:00,20:00, each 1 yolk/10 ton water body;
7-10 age in days: fry total length 0.38-0.42cm, the artemia larvae of just having hatched or 200,000 every gram above artemia ovum hatchings for bait, hatching water temperature 27-28 ℃, hatch 18 hours, artemia larvae just membrane is thrown something and fed to fry, maintain density 2-3/ml, supplement 2 every day: 9:00,15:00;
11-19 age in days: fry total length 0.4-1.1cm, bait artemia larvae, the density of throwing something and feeding 3-5/ml, supplement 2 every day: 9:00,15:00; Have when throwing something and feeding for the second time a small amount of surplus material to be as the criterion, this stage is a minute seedling stage, reduces the cultivation density of fry;
14-19 age in days: fry total length 0.8-1.1cm, bait is used freezing copepoda, after melting under freezing copepoda normal temperature, with 30 mesh sieve thin,tough silk, sieve, adopt the full pond feeding method of evenly splashing, the density of throwing something and feeding 4-6/ml, supplement every day 6 times, Feeding time is with yolk Feeding time, has a small amount of surplus material to be as the criterion when throwing something and feeding for the second time;
20-25 age in days: fry total length 1.1-1.6cm, bait is used freezing copepoda, and 20 mesh sieve thin,tough silk sieve, feeding method adopts the full pond feeding method of evenly splashing, and the density of throwing something and feeding 4-6/ml, supplement 6 every day, Feeding time is with yolk Feeding time, has a small amount of surplus material to be as the criterion when throwing something and feeding for the second time;
25-35 age in days: fry total length 1.6-2.8cm, bait is with freezing large halogen worm, first melt at normal temperatures, then with boiling water, scald, carry out disinfection, then the bait table of throwing something and feeding, bait table specification: 50cm*50cm, 20 Muchuang gauzes, bait table is placed in the following 50-80cm of water surface place, supplement every day 3 times: 9:00,15:00,19:00, have a small amount of surplus material to be as the criterion when throwing something and feeding for the second time;
30-35 age in days: fry total length 2.5-2.8cm, draw and feed manufactured feed, manufactured feed is kneaded into dough shape, and each bait table is placed 4-6 piece, throws something and feeds every day 2 times: 9:00,15:00, have a small amount of surplus material to be as the criterion when throwing something and feeding for the second time.
The result of implementation of this method is yellow Fugu seed rearing (opening prelarva-3.0cm left and right slice, thin piece fry) the survival rate 60-80% of chrysanthemum.
Claims (1)
1. a feeding method for the controlled bait of the yellow Fugu fry of chrysanthemum, is characterized in that:
2-10 age in days: in the opening stage, bait is yolk, sieves with 100 mesh sieve thin,tough silk, adopts full pond evenly to splash and throw something and feed, every day 6 times: 5:00,8:00,11:00,14:00,17:00,20:00, each 1 yolk/10 ton water body;
7-10 age in days: the artemia larvae of just having hatched for bait, 200,000 every gram above artemia ovum hatchings, hatch water temperature 27-28 ℃, hatch 18 hours, artemia larvae just membrane is thrown something and fed to fry, maintains density 2-3/ml, and supplement 2 every day: 9:00,15:00;
11-19 age in days: bait artemia larvae, the density of throwing something and feeding 3-5/ml, supplement 2 every day: 9:00,15:00; This stage is a minute seedling stage, reduces the cultivation density of fry;
14-19 age in days: bait is used freezing copepoda, with 30 mesh sieve thin,tough silk sieves after melting under freezing copepoda normal temperature, adopts full pond evenly to splash and throw something and feed, and the density of throwing something and feeding 4-6/ml, supplement 6 every day, and Feeding time is with yolk Feeding time;
20-25 age in days: bait is used freezing copepoda, 20 mesh sieve thin,tough silk sieve, and feeding method adopts full pond evenly to splash and throw something and feed, and the density of throwing something and feeding 4-6/ml, supplement 6 every day, and Feeding time is with yolk Feeding time;
25-35 age in days: bait, with freezing large halogen worm, first melts at normal temperatures, then scalds with boiling water, carry out disinfection, the bait table of then throwing something and feeding, bait table specification: 50cm*50cm, 20 Muchuang gauzes, bait table is placed in the following 50-80cm of water surface place, and supplement 3 every day: 9:00,15:00,19:00;
30-35 age in days: draw and feed manufactured feed, manufactured feed is kneaded into dough shape, each bait table is placed 4-6 piece, throws something and feeds every day 2 times: 9:00,15:00.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110212460.7A CN102893927B (en) | 2011-07-26 | 2011-07-26 | Feeding method of controllable bait for fries of Takifugu flavidus |
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| CN201110212460.7A CN102893927B (en) | 2011-07-26 | 2011-07-26 | Feeding method of controllable bait for fries of Takifugu flavidus |
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| CN102893927B true CN102893927B (en) | 2014-03-12 |
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| CN103805695B (en) * | 2013-12-05 | 2016-08-31 | 上海市水产研究所 | For detecting the primer of the chrysanthemum Huang east speed of growth to, kit and method |
| CN105433049A (en) * | 2015-12-14 | 2016-03-30 | 中国水产科学研究院黄海水产研究所 | Preparation method of live bait for replacing artemia larva |
| CN110367154A (en) * | 2019-09-02 | 2019-10-25 | 吉林省水产科学研究院 | Variegated sculpins juvenile fish breeding method |
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Effective date of registration: 20230814 Address after: 200433 No. 265, Jiamusi Road, Shanghai, Yangpu District Patentee after: SHANGHAI FISHERIES Research Institute SHANGHAI FISHERIES TECHNICAL EXTENSION STATION Address before: 200433 No. 265, Jiamusi Road, Shanghai, Yangpu District Patentee before: SHANGHAI FISHERIES Research Institute Patentee before: SHANGHAI FISHERIES TECHNICAL EXTENSION STATION |