Animal husbandry – Entomological culture device – Egg treatment – production – or storage
Patent
1977-10-20
1979-10-09
Chamblee, Hugh R.
Animal husbandry
Entomological culture device
Egg treatment, production, or storage
A01K 6100
Patent
active
041701976
ABSTRACT:
Marine shellfish, such as bivalve mollusks, are grown to edible size in surface-floating, partly submerged trays comprising a frame enclosed with a mesh having a size small enough to retain the species to be grown. A plurality of these trays are connected together in series and anchored in nutrient-providing water, such as an estuary, that while protected nonetheless is subject to wave action. These trays are attended by periodically flipping them over every two to three days and, if necessary, removing any fouling that may have built up on the undersurface. By means of this system, marketable-size oysters can, for example, be produced in fourteen months compared to the twenty-two to forty-eight months of other methods. This method has many advantages among which are: self-cleaning due to wave action; the flipping permits sunlight to kill fouling organisms on the outer surfaces; the constant agitation provides more equality in feeding of the infants and juveniles and tends to prevent attachment of the shellfish to the tray and/or to each other; the shellfish are at the surface which has the highest amount of algae and most reduced amount of the larval stages of fouling marine animals, which prefer less light; daily temperature differences stimulate feeding; etc.
REFERENCES:
patent: 3650244 (1972-03-01), Fordham
patent: 3766888 (1973-10-01), Wiegardt, Jr.
patent: 3779209 (1973-12-01), Budge et al.
patent: 3909971 (1975-10-01), Wilde
patent: 3996894 (1976-12-01), Wiegardt, Jr.
Chamblee Hugh R.
Spinney Creek Oyster Company
Strimbeck Lee A.
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