Natural surfacing die fish egg storage artificial hatching rearing vessel

摘要

Topic The backing wire 10 part inside hatching chamber 5 where the larva grows in regard to the artificial hatching vessel of the fish egg of salmon mass and the like, not to relate to the tonnage of service water W and the tonnage of the hatching larva it makes uniform ascending current Wb of the fixed tonnage cause extensively, and it makes the structure which at period surfaces the juvenile fish which it moved grew in external nutrition briefly naturally from inside rearing flooring 12.SolutionsIn the fish egg artificial hatching vessel, in lower part of the backing wire 10 which is installed directly under the rearing flooring 12, the orbicular hole 14 3 it installs the straightening vane A11a of 2 types where position of the hole where multiple you opened at fixed interval, differs and straightening vane B11b alternately the hatching chamber it removes the guttation side division plate which divides 5 and the guttation chamber 6 and weir board like possible 3 having movable weir 8, it is constituted. Choice figure Drawing 1