Fish raising

Details Fish raising Fish raising

1975-07-03

1977-06-21

Chamblee, Hugh R.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 6100

Patent

active

040304507

ABSTRACT:
Raising food fish utilizing apparatus including a fish tank, a biological trickling filter mounted above it and a particulate filter above the trickling filter, by recirculating water from the fish tank first through the particulate filter to remove particulate matter and adjust pH of the water and refrigerate it and then through the trickling filter to remove ammonia and add oxygen, the water in the fish tank being circulated and the fish periodically being fed over a period of months until they reach marketable size.

REFERENCES:
patent: 2858799 (1958-11-01), Krauss et al.
patent: 2944513 (1960-07-01), Keely
patent: 3116712 (1964-01-01), Ogden et al.
patent: 3572291 (1971-03-01), Cavanagh
patent: 3661262 (1972-05-01), Sanders
patent: 3773014 (1973-11-01), Ewald, Jr.
SN 482,751, filed June 24, 1974, parent application to Hoult.

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