鱼苗开口培育装置

Fish fry opening culture device

Abstract

一种鱼苗开口培育装置,其特征是它由培育网箱(1)和饵料网箱(2)组成),培育网箱(1)和饵料网箱(2)除朝上的一面外,所述的培育网箱(1)由浮于水面的中浮框(3)、高出水面的上口框(4)及用于连接中浮框(3)和上口框(4)并使筛绢网布定位的外竖管(5)组成,中浮框(3)和上口框(4)之间加装有浮力板;所述的饵料网箱(2)由浮于水面的饵料上框(6)、与上框垂直相连的插入水中的内坚管(7)、大孔径筛绢网布和小孔径筛绢网布组成,所述的大网孔筛绢网布围装在离水面10厘米以上以利于活饵料自主从大网孔中游出供鱼苗食用,小网孔位于大网孔以下以便于收集残饵。本实用新型结构简单,有利于提高鱼苗放养成活率。
The utility model provides a fish fry opening culture device, which is characterized by consisting of a culture net box (1) and a bait net box (2), wherein beside one upward side of the culture net box (1) and the bait net box (2), the culture net box (1) consists of a middle floating frame (3) floating on the water surface, an upper opening frame (4) higher than the water surface and an outer vertical pipe (5) used for connecting the middle floating frame (3) and the upper opening frame (4) and positioning bolting silk cloth, a buoyancy plate is additionally arranged between the middle floating frame (3) and the upper opening frame (4), the bait net box (2) consists of a bait upper frame (6), an inner firm pipe (7), large-hole-diameter bolting silk cloth and small-hole-diameter bolting silk cloth, the bait upper frame (6) floats on the water surface, the inner firm pipe (7) is vertically connected with the upper frame and is inserted into the water, the large-hole-diameter bolting silk cloth is arranged in a position being 10cm above the water surface in a surrounding way so that living baits can independently swim out from large meshes to be eaten by fish fries, and small meshes are positioned under the large meshes so that residue baits can be conveniently collected. The fish fry opening culture device has the advantages that the structure is simple, and the fish fry stocking survival rate is favorably improved.

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