Patent ID: 9538758
Date: 2017-01-10
CPC Classifications: A01N,A61P

Claim:
1. 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.