System for growing concentrated populations of oysters and relat

Details System for growing concentrated populations of oysters and relat System for growing concentrated populations of oysters and relat

1975-07-14

1976-12-14

Chamblee, Hugh R.

Animal husbandry

Entomological culture device

Egg treatment, production, or storage

A01K 6100

Patent

active

039968944

ABSTRACT:
A system is described for holding dense population of filter-feeding organisms, such as free, or "cultchless" oysters and hardshell clams in a configuration opposed to currents of nutrient-laden sea water. The system consists of means that both channel currents, or water flows developed by pumping, gravity flow, or tidal forces and hold the populations in opposition to these currents. A distributing flow of water is achieved throughout the populations contained in the system so that individual members of the population may filter at optimum rates, with waste products of their filtering activities being removed by the current.
The system is capable of taking tiny hatchery-derived seed and growing them to commercial maturity in a series of stages designed to optimize handling and feeding requirements at the various stages. At the stages where the organisms are approaching commercial maturity and require a greater current flow and more nutrients, the system is capable of developing an increased level of efficiency in regard to the utilization of resources of current flow and nutrients. At its most efficient level, the system contemplates harvest of a phytoplankton resource of any estuarial area at optimum sustainable levels.

REFERENCES:
patent: 463397 (1891-11-01), Walton, Sr.
patent: 2989945 (1961-06-01), Ford
patent: 3650244 (1972-03-01), Fordham

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