Drifting roe hatching method and hatching device
A fish egg and hanging device technology, which is applied in the field of animal breeding, can solve the problems of fertilized egg loss, occupying a lot of land and resources, and high cost, and achieve the effects of simple production process, improved survival rate, and strong applicability
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[0029] Specific embodiments of the present invention will be further described in detail below.
[0030] The floating fish egg hatching device of the present invention comprises a cylindrical cylinder 1 and a shrinkable cylinder 4 located below the cylindrical cylinder 1 and connected to the cylindrical cylinder 1 at the top, the bottom area of the shrinkable cylinder is smaller than the top area, so The cylindrical shell is made up of the upper edge fixed ring 2, the lower edge fixed ring 3 and the first annular gauze surrounding the two fixed rings; It is composed of the second annular gauze of the lower edge fixing ring; the diameter of the contraction fixing ring is smaller than that of the lower edge fixing ring;
[0031] The hatching device also includes an air intake pipe 11 fixed on the upper edge of the fixed ring 2, the end of the air intake pipe is located below the plane of the lower edge of the fixed ring 3, and an air stone 8 is suspended at the end of the air ...
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