CN2702614Y

CN2702614Y - Net cage for hatching cuttlefish and larva culture

Info

Publication number: CN2702614Y
Application number: CNU2004200396725U
Authority: CN
Inventors: 郑小东; 田传远; 王如才; 李琪; 王昭萍; 于瑞海
Original assignee: Ocean University of China
Current assignee: Ocean University of China
Priority date: 2004-04-05
Filing date: 2004-04-05
Publication date: 2005-06-01
Anticipated expiration: 2014-04-05

Abstract

The utility model relates to a net cage for hatching cuttlefish and larva culture, which is characterized in that the net cage for hatching cuttlefish and larva culture is provided with a cuboid shape net cage body composed of silk nets; the both sides of the upper opening and the bottom of the net cage body are respectively provided with two top support frames and two bottom support frames; a plurality of bottom stone bobs which are uniformly distributed are connected to each bottom support frame, and the front and back sides of the net cage are respectively connected to two side stone bobs. The utility model can sufficiently use larva culture waters and larva culture pools, the cultivation density is enhanced, it is easy to manufacture the net cage for hatching cuttlefish and larva culture, the production cost is reduced, and the net cage for hatching cuttlefish and larva culture accords with the demands that the operation and the management are easy. The high density hatch and the intermediate culture of the ova of the swimming type shellfish (such as cuttlefish) are caused to become probable. It is easy to observe the hatching and growing situation of the cuttlefish, various problems occurring in the producing process can be discovered and can be solved early, and meanwhile, the interrelationship can be avoided.

Description

Cuttlefish hatching and larval culture net cage

Technical field

The utility model relates to the net cage that a kind of aquaculture shellfish hatchery is used, more specifically to hatching of swimming type shellfish high density such as a kind of cuttlefish and larval culture net cage.

Background technology

Cuttlefish belongs to swimming type shellfish, is the important economic siphonopods of China, occupies critical role in national fishery.Because overfishing, natural resources are quite deficient.Artificial breeding and culture and to have become the important means that resource is replenished, net cage then are that the shellfish indoors artificial is grown seedlings and the critical facility of intermediate rearing.China has not yet to see the device that relevant siphonopods indoors artificial is grown seedlings and cultivated.All adopt round pool to cultivate experiment abroad, thereby the cultivation population density is very low, and the seawater consumption is big, again because the siphonopods young such as cuttlefish are liked the life at the bottom of the pond of crawling under the situation of not ingesting, be difficult for observing their growing state, and operation is also inconvenient.Under lab be engaged in the circular pond of experimental study and be fine, but large-scale production will make cost increase greatly, be unfavorable for that especially growing seedlings of such species breed.Therefore, the facility that finds a kind of suitable nursery to carry out the low cultivation seed of large-scale production and production cost is the important behave that promotes the siphonopods large-scale production and can promote in China.

Summary of the invention

The purpose of this utility model provides a kind of cuttlefish hatching and larval culture net cage, and it can satisfy the demand of prior art.

A kind of cuttlefish hatching and larval culture net cage, it is characterized in that by a cuboid net cage body of forming by tulle, respectively there are two top-supports and bottom bracket in and both sides bottom suitable for reading at this net cage body, respectively be connected with equally distributed a plurality of bottoms stone on the bottom bracket and weigh down, both sides respectively are connected with two side stones bobs before and after the net cage.

The utility model can make full use of seedling water and nursery pond, improve to cultivate density, easily makes, and reduces production costs, and meets easy to operately, and manageable requirement can make the high density hatching and the intermediate rearing of swimming type shellfish (as cuttlefish) ovum become possibility.Cuttlefish hatching and growing state are easily observed, can early be found early to solve, can avoid influencing each other simultaneously the variety of issue that occurs in the production process.

Description of drawings

Accompanying drawing is a structural representation of the present utility model.

1. top-supports in the accompanying drawing; 2. net cage body; 3. side stone weighs down; 4. bottom bracket; 5. bottom stone weighs down

Embodiment

The utility model is by a cuboid net cage body 2 of being made up of tulle, respectively there are 2 top-supports 1 and bottom bracket 4 in the suitable for reading and both sides bottom at this net cage body 2, two top-supports 1 have the effect of the net cage of support, also net cage can be ridden on the pool wall of nursery pond by it; Bottom bracket 4 has the effect of the net cage of support equally.Respectively be connected with equally distributed 3 bottom stones on the two root bottom part supports 4 and weigh down 5, do not float because of flowing water to guarantee the net cage bottom.Both sides, net cage body 2 front and back respectively are connected with 2 side stones and weigh down 3, they can be ridden over outside the pool wall of both sides, with the stretching one-tenth level of net cage.Around net cage body 2 is incited somebody to action by tulle and bottom is sealed and is surrounded.Size according to hatching and cultivate the big or small corresponding adjustment mesh of the young has suitable flowing water environment and acquisition to enrich bait to guarantee the young.Can make the high density hatching and the intermediate rearing of swimming type shellfish (as cuttlefish) ovum become possibility.The length of net cage body 1 is about 1 meter in the present embodiment, and width is decided on the nursery pond width.Top-support 1 is long than bottom bracket 4, can ride on the pool wall.Bottom stone weigh down 5 and side stone weigh down 3 size and open according to net cage body 2 is stretching and tensible and be advisable.The net cage that connects can directly be put into nursery pond, and water level remains on 2/3 place of net cage height.This net cage is made simple, and cost is low; Easy to operate, a people can finish work such as draping case, mobile net cage; Cuttlefish hatching and growing state are easily observed, can early be found early to solve, can avoid influencing each other simultaneously the variety of issue that occurs in the production process.

Claims

1, a kind of cuttlefish hatching and larval culture net cage, it is characterized in that by a cuboid net cage body (2) of forming by tulle, in the suitable for reading and both sides bottom of this net cage body (2) two top-supports (1) and bottom bracket (4) are arranged respectively, respectively be connected with equally distributed a plurality of bottoms stone on the bottom bracket (4) and weigh down (5), both sides respectively are connected with two side stones bobs (3) before and after the net cage body (2).