US 2020/0367474 A1 · AN AQUACULTURE PROCESS FOR THE PRODUCTION OF SALMON EGGS

Abstract

A process for harvesting fish eggs is provided, in particular fish eggs from Salmon. The process comprises rearing sexually immature salmon in an aquatic environment in stages during which at least the light exposure and time span is adjusted. The rearing includes at least a winter-summer period that comprises a winter life-cycle stage, within which the broodstock is exposed to light that simulates winter light exposure, and a subsequent summer life-cycle stage, within which the broodstock is exposed to light that simulates summer light exposure, wherein the total Accumulated Thermal Unit (ATU) during the winter-summer period is no more than 5000. The inventions also provides salmon eggs that are produced by the disclosed process.

Claims33

Dependent claims

A process for the harvesting of fish eggs, comprising:

providing a broodstock comprising sexually immature fish from at least one Salmo salar strain;
rearing the broodstock in an aquatic environment comprising an aqueous medium that is suitable for sustaining life of the broodstock such that it proceeds to maturation, wherein the rearing is performed in life-cycle stages during which at least the light exposure and time span of each life cycle stage is adjusted, wherein the rearing includes at least a winter-summer period that comprises a winter life-cycle stage, within which the broodstock is exposed to light that simulates winter light exposure, and a subsequent summer life-cycle stage, within which the broodstock is exposed to light that simulates summer light exposure, wherein the total Accumulated Thermal Unit (ATU) during the winter-summer period is no more than 5000;
and
harvesting eggs from the mature fish.

1 more element

Dependencies are inferred from the claim text.

An aquaculture process for the production of salmon eggs

Life of this patent

An aquaculture process for the production of salmon eggs

Life of this patent

Abstract

Claims33