Fish egg supporting system

Details Fish egg supporting system Fish egg supporting system

1978-07-10

1980-07-29

Mancene, Louis G.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 6100

Patent

active

042145511

ABSTRACT:
A system for supporting fish eggs including a waffle-patterned surface providing individual fish egg supporting apertures. The apertures are in a noncircular form to permit the flow of fluids and gases around the egg supported in each aperture. The apertures are spaced from one another a distance to permit the eggs resting in adjacent apertures to have a gap therebetween to prevent the fungus that might form on a dead egg in one aperture from spreading to an adjacent viable egg resting in the next aperture. The system can include stackable trays which permit numerous eggs to be held in a small volume. The apertures are of sufficient similarity in surface configuration to natural gravel beds to support the alevin in comfort to encourage maximum conversion of the egg yolk to fish tissue rather than wasting such nourishment on motion. The trays can be stacked within a raceway with a porous membrane upstream of and adjacent to the stacked trays to distribute the flowing water evenly throughout the stack.

REFERENCES:
patent: 3028837 (1962-04-01), Tuttle
patent: 3886905 (1975-06-01), McNeil
patent: 4094270 (1978-06-01), Whitlock

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