Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1988-03-21
1991-05-14
Bahr, Robert W.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
A01K 6304
Patent
active
050146475
ABSTRACT:
A fish culture system for cultivating fish contained in tank-like silos through which aerated water that may also contain food and/or medicine is circulated in such a way that the water circulates upwardly through the silos. Individual silos containing diseased fish may be isolated for treatment of the fish independently of the remaining fish population. Sediment collecting in the bottoms of the silos may be drained and dried for use as fertilizer.
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patent: 4052960 (1977-10-01), Birkbeck et al.
patent: 4141318 (1979-02-01), MacVane et al.
patent: 4144840 (1979-03-01), Bubien
patent: 4159009 (1979-06-01), Friedman
patent: 4399769 (1983-08-01), Casey
patent: 4414919 (1983-11-01), Hess
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