Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1977-08-22
1980-01-08
Kinsey, Russell R.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
A01K 6300
Patent
active
041822684
ABSTRACT:
In a process for breeding aquatic animals in a controlled environment wherein the aquatic animals are maintained in water reservoirs open to the atmosphere and which have fresh water introduced and fecal waste containing water discharged, and wherein the oxygen content of the water present in the water reservoirs is kept at a value corresponding to desirable growing conditions for the aquatic animals by the introduction of a gas consisting essentially of oxygen or oxygen-enriched air, the improvement which comprises introducing the gas into the zone underneath and/or above the water level of at least one bell partially immersed in the water, feeding water to the lid zone of said bell, distributing the water into a plurality of partial streams of water, passing the streams of water from the lid zone of said bell downwardly inside said bell in counter current contact to said gas, and withdrawing residual gas from said bell.
REFERENCES:
patent: 2242429 (1941-05-01), Johnson
patent: 2869844 (1959-01-01), Thomas
patent: 3711330 (1973-01-01), Kierce
patent: 3799511 (1974-03-01), Svantesson
patent: 4030450 (1977-06-01), Hoult
Kinsey Russell R.
Linde Aktiengesellschaft
Swiatek Robert P.
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