CN102792908B - Net cage for dietary domestication of siniperca scherzeri as well as use method thereof - Google Patents
Net cage for dietary domestication of siniperca scherzeri as well as use method thereof Download PDFInfo
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- CN102792908B CN102792908B CN201210289007.0A CN201210289007A CN102792908B CN 102792908 B CN102792908 B CN 102792908B CN 201210289007 A CN201210289007 A CN 201210289007A CN 102792908 B CN102792908 B CN 102792908B
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Abstract
The invention relates to a net cage for dietary domestication of siniperca scherzeri. The net cage comprises vertical columns (1), floating rods (2) and a net body (3), and is characterized in that the net body (3) of the net cage is a container which is open for the upper surface and hollow for the interior; the outer wall and the bottom surface of the net body (3) are made of soft sheet materials forming grids; the net body (3) adopts a rectangular cage body structure; an upper top corner and a lower top corner of the four side edges of the cage body structure of the net body (3) are respectively fixed to the upper parts and the lower parts of the four vertical columns (1); the four vertical columns (1) are vertically arranged on the outer side of the four corners of the cage body structure of the net body (3) respectively; every two of the vertical columns (1) are connected by each of the floating rods (2); and the two ends of each of the floating rods (2) are respectively connected with the middle of each of the vertical columns (1). According to the net cage, wild siniperca scherzeri is successfully domesticated to eat an artificial compound feed, and the success rate of domestication reaches than 95%.
Description
Technical field
The invention belongs to technical field of aquaculture, particularly relate to net cage and domestication using method thereof for a kind of spot mandarin fish domestication.
Background technology
Spot mandarin fish (Siniperca scherzeri) claim again rock mandarin fish, belongs to Perciformes, is famous and precious economic freshwater fish, is widely distributed in China's inland waters.Spot mandarin fish meat flavour is delicious, and between flesh, thorn is few, is of high nutritive value, and is the famous and precious kind of foreign exchange earning, has wide development cultivation prospect.Spot mandarin fish is typical carnivorous predacious fish, and the fishes and shrimps of living of take throughout one's life in natural water area are food.But in breeding process, be difficult to ensure enough live baits, in addition, living feed fish often due to carry cause of disease and fishing for, transportation is injured, very easily there is various diseases and cause spot mandarin fish to fall ill by infection, its loss causing is on the rise, large-scale intensive culture is restricted, and adopts artificial feed to throw something and feed and can address this problem well.Therefore, the domestication spot mandarin fish artificial feed of ingesting on one's own initiative, are regularly most important.This just need to tame its feeding habits, if domesticating method is improper, not only weed survival rate can not guarantee, also can cause Individual Size uneven, even brings out cannibalism phenomenon, directly has influence on productivity effect.
General predacious fish domestication method is to select suitable tame and docile food environment; Determine the suitable specification of seed domestication; Select the bait of suitable tame and docile food; Follow suitable tame and docile food process.It is reported, it is in fresh food, progressively to add chilled dead trash fish that common spot mandarin fish is tamed and dociled food method, reduce the content of fresh food, the final chilled dead trash fish of throwing something and feeding completely, although the method can solve the problem that live bait is under-supply, but feed coefficient is higher, aquaculture cost is large, spot mandarin fish easy infection germ etc.; On the other hand, because a large amount of small fishs that use are as bait, for the raising of China's fresh water fishery output, also caused adverse effect.
Summary of the invention
Technical problem to be solved by this invention is to provide net cage and domestication using method thereof for a kind of spot mandarin fish domestication, makes spot mandarin fish adapt to artitificial food, is convenient to artificial feeding.
The technical solution adopted for the present invention to solve the technical problems is: a kind of spot mandarin fish domestication net cage is provided, comprise column, fly rod and dictyosome, described in described net cage, dictyosome is the container of the inner hollow of opening above, the outer wall of described dictyosome forms with the flexible sheet material that there is into grid bottom surface, the orthogonal body structure of described dictyosome, 4 inclines of described dictyosome body structure upper, lower two drift angles are separately fixed at the upper and lower of 4 root posts, described 4 root posts lay respectively at the outside at 4 angles of dictyosome body structure and vertically arrange, between every two of described column, by fly rod, connect, the two ends of described fly rod connect respectively the middle part of column.
Described fly rod and column are made by plastics or bamboo pole material.
A domestication using method for net cage for spot mandarin fish domestication, is used any one net cage in above-mentioned net cage, and comprises the following steps:
1. culturing area is set: described domestication is positioned over to water quality with net cage pure and fresh pollution-free, dissolved oxygen is abundant, and transparency is more than 50cm, and breeding water body is running water, the water surface is leeward, on the sunny side and environment quiet;
2. choose sample: in annual May, to July, select neat specification, health, body weight to put into net cage at the individuality of 50g left and right from the wild spot mandarin fish catching, breeding density is every square meter 30 tails;
3. domestication process:
The beginning of a. putting into after net cage should be stopped eating for 1 to 2 day;
B. since the 3rd day every day 18:00 to the 19:00 time period, net cage surrounding arbitrarily definite corner as feeding point, the live bait of throwing something and feeding of regularly fixing a point every day, when throwing something and feeding live bait, beat lightly corner net cage wall at every turn, form slight current fluctuation, ingesting of spot mandarin fish carried out to side line mechanical sense and stimulate domestication, observe the situation of ingesting of spot mandarin fish simultaneously, after 6 to 8 days, spot mandarin fish is transitioned into cluster floating from ambuscade live bait and robs food live bait, set up the good reflection of ingesting, then start to carry out dead bait domestication;
C. dead bait domestication process is 9 to 11 days, and every day, 18:00 threw in bait at feeding point to the 19:00 time period, reduced gradually the supply volume of live bait, increased gradually the supply volume of dead bait, until the bait of throwing in enters artificial feed while being dead bait, tames;
D. artificial feed domestication process is 14 to 16 days, every day, 18:00 threw in bait at feeding point to the 19:00 time period, first the bait of throwing in is after artifical compound feed grinds, to be blended in the mixed feed of the trash fish fragment mincing, reduce gradually afterwards trash fish fragment every day, increase artifical compound feed ratio gradually, progressively spot mandarin fish is all turned to food artifical compound feed;
E. at input bait, be after artifical compound feed, in every morning, 6:30 increases by 1 bait throwing in; Now still carry out timing fixed point and throw something and feed, and still keep side line mechanical sense to stimulate while throwing something and feeding.
Described artifical compound feed, for wet soft pellet, has certain viscosity and elasticity, makes strip.
Described live bait is fresh and alive small fish.
Described dead bait is the fresh cadaver of small fish.
Beneficial effect
The invention has the advantages that according to spot mandarin fish lower oxygen concentration resistance poorly, water transparency is required to high life habit, net cage is the ideal place of spot mandarin fish domestication, can guarantee that pure and fresh water body constantly exchanges, and can guarantee higher transparency again; The features such as maneuverability, small investment, facility are simple, easy operating are produced in cage culture in addition; It is best taming and dociling the food time that the time of domestication be take superior natural conditions, the eugonic 5-7 month, and this time period water temperature is high, and the metabolism of spot mandarin fish is fast, easily hungry, therefore appetite is strong, and the good food of taming and dociling; The habit that has night food according to spot mandarin fish, domestication selection of time morning and time period at dusk, carries out the timing domestication of fixing a point to ingest to spot mandarin fish; While throwing something and feeding, beat lightly corner net cage wall at every turn, form slight current fluctuation, ingesting of spot mandarin fish carried out to side line mechanical sense and stimulate domestication; According to the size of spot mandarin fish bore, the soft pellet of the rectangular form quality of throwing something and feeding; The present invention, in conjunction with stimulation and the strengthening of side line mechanical sense, successfully makes wild spot mandarin fish be transformed into the artifical compound feed of ingesting, and domestication success rate is more than 95%.
Accompanying drawing explanation
Fig. 1 is the fish culture net cage structural representation using in method invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, a kind of spot mandarin fish domestication net cage, comprise column 1, fly rod 2 and dictyosome 3, described in described net cage, dictyosome 3 is containers of the inner hollow of opening above, the outer wall of described dictyosome 3 forms with the flexible sheet material that there is into grid bottom surface, the orthogonal body structure of described dictyosome 3, 4 inclines of described dictyosome 3 body structures upper, lower two drift angles are separately fixed at the upper and lower of 4 root posts 1, described 4 root posts 1 lay respectively at the outside at dictyosome 34 angles of body structure and vertically arrange, between every two of described column 1, by fly rod 2, connect, the two ends of described fly rod 2 connect respectively the middle part of column 1.
Described fly rod 2 and column 1 are made by plastics or bamboo pole material.
A domestication using method for net cage for spot mandarin fish domestication, is used any one net cage in aforementioned net cage, and comprises the following steps:
1. culturing area is set: described domestication is positioned over to water quality with net cage pure and fresh pollution-free, dissolved oxygen is abundant, and transparency is more than 50cm, and breeding water body is running water, the water surface is leeward, on the sunny side and environment quiet;
2. choose sample: in annual May, to July, select neat specification, health, body weight to put into net cage at the individuality of 50g left and right from the wild spot mandarin fish catching, breeding density is every square meter 30 tails;
3. domestication process:
The beginning of a. putting into after net cage should be stopped eating for 1 to 2 day;
B. since the 3rd day every day 18:00 to the 19:00 time period, net cage surrounding arbitrarily definite corner as feeding point, the live bait of throwing something and feeding of regularly fixing a point every day, when throwing something and feeding live bait, beat lightly corner net cage wall at every turn, form slight current fluctuation, ingesting of spot mandarin fish carried out to side line mechanical sense and stimulate domestication, observe the situation of ingesting of spot mandarin fish simultaneously, after 6 to 8 days, spot mandarin fish is transitioned into cluster floating from ambuscade live bait and robs food live bait, set up the good reflection of ingesting, then start to carry out dead bait domestication;
C. dead bait domestication process is 9 to 11 days, and every day, 18:00 threw in bait at feeding point to the 19:00 time period, reduced gradually the supply volume of live bait, increased gradually the supply volume of dead bait, until the bait of throwing in enters artificial feed while being dead bait, tames;
D. artificial feed domestication process is 14 to 16 days, every day, 18:00 threw in bait at feeding point to the 19:00 time period, first the bait of throwing in is after artifical compound feed grinds, to be blended in the mixed feed of the trash fish fragment mincing, reduce gradually afterwards trash fish fragment every day, increase artifical compound feed ratio gradually, progressively spot mandarin fish is all turned to food artifical compound feed;
E. at input bait, be after artifical compound feed, in every morning, 6:30 increases by 1 bait throwing in; Now still carry out timing fixed point and throw something and feed, and still keep side line mechanical sense to stimulate while throwing something and feeding.
Described artifical compound feed, for wet soft pellet, has certain viscosity and elasticity, makes strip.
Described live bait is fresh and alive small fish.
Described dead bait is the fresh cadaver of small fish.
Claims (1)
1. a spot mandarin fish feeding habits net cage domesticating method, comprises the following steps:
1) culturing area is set: domestication is positioned over to water quality with net cage pure and fresh pollution-free, dissolved oxygen is abundant, and transparency is more than 50cm, and breeding water body is running water, the water surface is leeward, on the sunny side and quiet environment;
2) choose sample: in annual May, to July, from the wild spot mandarin fish catching, select neat specification, health, body weight to put into net cage at the individuality of 50g, breeding density is every square meter 30 tails;
3) domestication process:
The beginning of a. putting into after net cage should be stopped eating for 1 to 2 day;
B. since the 3rd day every day 18:00 to the 19:00 time period, net cage surrounding arbitrarily definite corner as feeding point, the live bait of throwing something and feeding of regularly fixing a point every day, described live bait is fresh and alive small fish, when throwing something and feeding live bait, beat lightly corner net cage wall at every turn, form slight current fluctuation, ingesting of spot mandarin fish carried out to side line mechanical sense and stimulate domestication, observe the situation of ingesting of spot mandarin fish simultaneously, after 6 to 8 days, spot mandarin fish is transitioned into cluster floating from ambuscade live bait and robs food live bait, sets up the good reflection of ingesting, and then starts to carry out dead bait domestication;
C. dead bait domestication process is 9 to 11 days, every day, 18:00 threw in bait at feeding point to the 19:00 time period, reduced gradually the supply volume of live bait, increased gradually the supply volume of dead bait, until the bait of throwing in enters artificial feed domestication while being dead bait, described dead bait is the fresh cadaver of small fish;
D. artificial feed domestication process is 14 to 16 days, every day, 18:00 threw in bait at feeding point to the 19:00 time period, first the bait of throwing in is after artifical compound feed grinds, to be blended in the mixed feed of the trash fish fragment mincing, reduce gradually afterwards trash fish fragment every day, increase artifical compound feed ratio gradually, progressively spot mandarin fish is all turned to food artifical compound feed; Described artifical compound feed, for wet soft pellet, has certain viscosity and elasticity, makes strip;
E. at input bait, be after artifical compound feed, in every morning, 6:30 increases by 1 bait throwing in; Now still carry out timing fixed point and throw something and feed, and still keep side line mechanical sense to stimulate while throwing something and feeding;
Described domestication net cage, comprise column (1), fly rod (2) and dictyosome (3), described dictyosome (3) is the container of the inner hollow of opening above, the outer wall of described dictyosome (3) forms with the flexible sheet material that there is into grid bottom surface, the orthogonal body structure of described dictyosome (3), 4 inclines of described dictyosome (3) body structure upper, lower two drift angles are separately fixed at the upper and lower of 4 root posts (1), described 4 root posts (1) lay respectively at the outside at 4 angles of dictyosome (3) body structure and vertically arrange, between every two of described column (1), by fly rod (2), connect, the two ends of described fly rod (2) connect respectively the middle part of column (1), described fly rod (2) and column (1) are made by plastics or bamboo pole material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210289007.0A CN102792908B (en) | 2012-08-14 | 2012-08-14 | Net cage for dietary domestication of siniperca scherzeri as well as use method thereof |
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| CN201210289007.0A CN102792908B (en) | 2012-08-14 | 2012-08-14 | Net cage for dietary domestication of siniperca scherzeri as well as use method thereof |
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| CN102792908A CN102792908A (en) | 2012-11-28 |
| CN102792908B true CN102792908B (en) | 2014-04-30 |
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| CN103070142A (en) * | 2013-02-05 | 2013-05-01 | 湖北省水产科学研究所 | Inflatable batch quick fishing device and method |
| CN103143553B (en) * | 2013-03-29 | 2015-05-20 | 广东大众农业科技股份有限公司 | Method for biological disposal of animal carcasses in river channel |
| CN103329830B (en) * | 2013-07-12 | 2015-03-11 | 中国水产科学研究院长江水产研究所 | Wild-training method for improving feeding ability of released Acipenser dabryanus |
| CN103430896B (en) * | 2013-08-05 | 2014-12-10 | 中国水产科学研究院东海水产研究所 | Lifting cage precision feeding method |
| CN103583425B (en) * | 2013-11-06 | 2015-01-07 | 中国长江三峡集团公司中华鲟研究所 | Wild rhinogobio ventralis continental rise pond net cage domestication method |
| CN104585547B (en) * | 2015-01-24 | 2017-12-26 | 华中农业大学 | A kind of special tame and docile food feed of mandarin fish and supporting tame and docile food method |
| CN105210951A (en) * | 2015-10-28 | 2016-01-06 | 新津兴天地农业开发有限公司 | For the net cage of fry domestication and the method for domestication fry thereof |
| CN105360037A (en) * | 2015-12-23 | 2016-03-02 | 苏州市阳澄湖现代农业产业园特种水产养殖有限公司 | Siniperca scherzeri culturing method |
| CN107593526A (en) * | 2017-09-11 | 2018-01-19 | 江西华昇农业科技有限公司 | rock mandarin fish artificial breeding method |
| CN107711616B (en) * | 2017-11-02 | 2020-06-19 | 福建天马科技集团股份有限公司 | Mandarin fish fingerling domestication method |
| CN111513012A (en) * | 2020-06-08 | 2020-08-11 | 江苏省淡水水产研究所 | Sorting method of palatable baits of odontobutis potamophila |
| CN112913725A (en) * | 2021-01-25 | 2021-06-08 | 上海海洋大学 | Wild training device and wild training method for black porgy |
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| CN2116346U (en) * | 1992-04-03 | 1992-09-23 | 孙世荣 | Folding basket frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000157093A (en) * | 1998-11-30 | 2000-06-13 | Futoshi Sumizaki | Container for culturing fishes or shellfishes, capable of being further used as fish bank |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116346U (en) * | 1992-04-03 | 1992-09-23 | 孙世荣 | Folding basket frame |
Non-Patent Citations (4)
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