A method for controlling a sensor subsystem, the method including receiving one or more metrics representing one or more characteristics of livestock, including one or more livestock objects, contained in an enclosure and monitored by one or more sensors coupled to a winch subsystem. The method further includes determining a position to move the one or more sensors based on the metrics and determining an instruction that includes information related to a movement of the one or more sensors. The method further includes sending the instruction to the winch subsystem to change the position of the one or more sensors.

A system includes a fish stunner configured to stun fish within a stunning zone of a waterway and a conveyor with a portion of the conveyor located below a waterline of the waterway and a second portion of the conveyor located above the waterline such that fish that have been stunned reach the conveyor and are lifted out of the water by the conveyor.

A land-based fish rearing plant includes a postsmolt unit with the following features: an oval flow tank for postsmolt, subdivided for postsmolt cohorts of successively increasing sizes, at flow generator for providing a main flow, water outlets for a partial flow from the oval flow tank to a water treatment plant wherein said water treatment plant is arranged within the perimeter of an inner wall of said flow tank, at least two grow-out units for growing salmon in the stages after the postsmolt stages, each grow-out unit including: an oval flow tank for said growing salmon, subdivided into tank sections for growing salmon cohorts of successively increasing sizes, a main flow generator for providing a main flow, water outlets for a partial flow from the oval flow tank to a water treatment plant including and a water return inlet to said flow tank, wherein said water treatment plant is arranged within the perimeter of an inner wall of said flow tank a purge-unit including, arranged between said grow-out units, wherein the last sections in said grow-out units are connected via lock-gates to an inlet channel to two or more purge chambers for temporary holding and purging of the salmon prior to its slaughtering, wherein the purge-unit includes at least a water treatment plant and an export line to a fish slaughterhouse.

A land-based fish rearing plant includes a postsmolt unit with the following features: an oval flow tank for postsmolt, subdivided for postsmolt cohorts of successively increasing sizes, at flow generator for providing a main flow, water outlets for a partial flow from the oval flow tank to a water treatment plant wherein said water treatment plant is arranged within the perimeter of an inner wall of said flow tank, at least two grow-out units for growing salmon in the stages after the postsmolt stages, each grow-out unit including: an oval flow tank for said growing salmon, subdivided into tank sections for growing salmon cohorts of successively increasing sizes, a main flow generator for providing a main flow, water outlets for a partial flow from the oval flow tank to a water treatment plant including and a water return inlet to said flow tank, wherein said water treatment plant is arranged within the perimeter of an inner wall of said flow tank a purge-unit including, arranged between said grow-out units, wherein the last sections in said grow-out units are connected via lock-gates to an inlet channel to two or more purge chambers for temporary holding and purging of the salmon prior to its slaughtering, wherein the purge-unit includes at least a water treatment plant and an export line to a fish slaughterhouse.

The present invention relates to a method, a system and an apparatus for treating food items. Such method and device may, for instance, be used to cool down food items, bleed freshly slaughtered fish and treat live fish against parasites. The device and method of the present invention further uses temperature differences and agitation to tread food items. A method for reducing or eliminating sea lice from salmon fish, said method comprising: a) transporting the salmon fish from a reservoir and the feeding salmon fish in liquid into the tubing of a first pumping device, said liquid being at a temperature from +15 to +28° C., b) transporting the salmon fish in liquid through the tubing of the pumping device at a first set time period for treatment in said liquid, c) feeding the salmon fish out of the first pumping device, d) separating the liquid from the salmon fish, and e) transporting the salmon fish back to the reservoir, wherein the liquid media from the pumping device is redirected after separation from the salmon fish in step d) through a heat exchange element back into the pumping device for continued treatment of further salmon fish, and wherein the temperature difference between the liquid used in steps b) and the reservoir is more than 15° C.

Bottom grading apparatuses for aquaculture systems are disclosed herein. An example system includes a vessel filled with water that receives fish, the vessel having a bottom surface with drain; a plenum in fluid communication with the vessel; a multiway valve in fluid communication with the plenum, a mortality pipe, and a grading pipe; and a mortality container in fluid communication with the mortality pipe and the vessel, wherein the fish can re-enter the vessel through the mortality container and deceased fish remain in the mortality container, wherein when the multiway valve is closed to the mortality pipe, the fish will divert through the grading pipe.

Bottom grading apparatuses for aquaculture systems are disclosed herein. An example system includes a vessel filled with water that receives fish, the vessel having a bottom surface with drain; a plenum in fluid communication with the vessel; a multiway valve in fluid communication with the plenum, a mortality pipe, and a grading pipe; and a mortality container in fluid communication with the mortality pipe and the vessel, wherein the fish can re-enter the vessel through the mortality container and deceased fish remain in the mortality container, wherein when the multiway valve is closed to the mortality pipe, the fish will divert through the grading pipe.

Livewells of a vessel are used to store caught fish, such as during fishing competitions. Apparatuses, systems, and methods track and use fishing information for efficient operation and control of livewells and the associated pumps. An example marine electronic device of a vessel comprises a user interface with a display screen, a processor, and memory including computer program code. The memory and the computer program code are configured to, with the processor, cause the marine electronic device to receive an indication of a fish catch and cause, in response to receiving the indication of the fish catch, a pump associated with a livewell of the vessel to one of fill the livewell with water or recirculate water in the livewell, wherein the water is pumped from a body of water in which the vessel is at least partially submerged.

Livewells of a vessel are used to store caught fish, such as during fishing competitions. Apparatuses, systems, and methods track and use fishing information for efficient operation and control of livewells and the associated pumps. An example marine electronic device of a vessel comprises a user interface with a display screen, a processor, and memory including computer program code. The memory and the computer program code are configured to, with the processor, cause the marine electronic device to receive an indication of a fish catch and cause, in response to receiving the indication of the fish catch, a pump associated with a livewell of the vessel to one of fill the livewell with water or recirculate water in the livewell, wherein the water is pumped from a body of water in which the vessel is at least partially submerged.

Methods, systems, and apparatus, including computer programs encoded on computer storage media for identification and re-identification of fish. In some implementations, first media representative of aquatic cargo is received. Second media based on the first media is generated, wherein a resolution of the second media is higher than a resolution of the first media. A cropped representation of the second media is generated. The cropped representation is provided to the machine learning model. In response to providing the cropped representation to the machine learning model, an embedding representing the cropped representation is generated using the machine learning model. The embedding is mapped to a high dimensional space. Data identifying the aquatic cargo is provided to a database, wherein the data identifying the aquatic cargo comprises an identifier of the aquatic cargo, the embedding, and a mapped region of the high dimensional space.