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US 9,538,758 B2Granted
Method of combatting sea lice
AssigneeNettforsk AS
InventorBaard Johannessen
Life of this patent
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Abstract
The invention provides a method of treatment of farmed fish to combat infestation by multicellular ectoparasites with exoskeletons, which method comprises topically exposing farmed fish, especially salmon in sea cages, to a first and a second sea lice treatment agent, said first sea lice treatment agent being a carbamate or organophosphate and said second sea lice treatment agent being a pyrethroid or pyrethrin.
Claims20
A method of treating farmed fish infested with sea lice, the method comprising the following steps in order:
- releasing a first sea lice treatment agent to water within a cage, tank, or pond containing the fish, the first treatment agent comprising an organophosphate;
- retaining the first sea lice treatment agent within the cage, tank, or pond for a first period of time;
- releasing a second sea lice treatment agent to the water within the cage, tank, or pond, the second lice treatment agent comprising a pyrethroid or pyrethrin;
- and
- retaining the second sea lice treatment agent within the cage, tank, or pond for a second period of time,
- wherein the first period of time is 10 to 100 minutes, the second period of time is 10 to 100 minutes, about 5 ppb to about 1000 ppb of the first sea lice treatment agent is applied to the water, and about 1 ppb to about 25 ppb of the second sea lice treatment agent is applied to the water.
3 more elements
A method of treating farmed fish infested with sea lice, the method comprising the following steps in order:
- releasing a first sea lice treatment agent to water within a cage, tank, or pond containing the fish, the first treatment agent comprising a carbamate;
- retaining the first sea lice treatment agent within the cage, tank, or pond for a first period of time;
- releasing a second treatment agent to the water within the cage, tank, or pond, the second lice treatment agent comprising a pyrethroid or pyrethrin;
- and
- retaining the second sea lice treatment agent within the cage, tank, or pond for a second period of time,
- wherein the first period of time is 10 to 100 minutes, the second period of time is 10 to 100 minutes, 5 ppb to about 1000 ppb of the first lice treatment agent is applied to the water, and about 1 ppb to about 25 ppb of the second lice treatment agent is applied to the water.
3 more elements
Dependencies are inferred from the claim text.