Title: Incubator for salmonid eggs and alevin

Abstract: Incubation apparatus for use in hatching salmonid eggs in the production of the intermediate stage alevins and the ultimate fish fry is provided. Incubation trays are stacked in a container to which hatchery water is supplied and from which it departs, in the interval passing through the trays and their contents of substrate material and the eggs and/or alevins. The trays are designed to create desirable currents in water flow to facilitate dissipation of gaseous bubbles and, when the time comes, to urge and direct the outward movement of the fry.

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Other info:

Inventors: Young, II, Dale E.

Application Number: 873204
Filing Date: 1978-01-30
Publication_date: 1980-01-08
Assignee:
Primary Class(es): 119/218
Other Classes:
US Patent Ref:

136834	Mar, 1873	Holton	119/3.
376553	Jan, 1888	Sandford	119/3.
3870018	Mar, 1975	Fruchtnicht	119/3.
4014293	Mar, 1977	Salter	119/3.

Other Refs:
Primary Examiner: Chamblee, Hugh R.
Assistant Examiner:
Attorney: Smith; Ford E., Garrison; David L.