Sea Lice Management Strategies

The video explores various methods to tackle sea lice infestations in salmon, including innovative techniques like salmon car washes, hot tubs, pharmaceuticals, cleaner fish, and robotic solutions. Each method has its pros and cons, with varying effectiveness. The video highlights the challenges and advancements in managing sea lice, emphasizing the need for diverse approaches to address this issue effectively.

What is the primary issue with sea lice in salmon farming?

• They are a minor nuisance for fish.

• They are beneficial for fish health.

• They cause itchiness in humans.

• They have devastating effects on salmon and the ecosystem.

How does the salmon car wash method remove sea lice?

• By using high-pressure water similar to car washes.

• By using low-pressure water and brushes.

• By using chemicals to dissolve the lice.

• By manually removing lice with combs.

What is the effectiveness range of the salmon car wash method?

• 10% to 50%

• 30% to 60%

• 50% to 100%

• 70% to 90%

What is a potential risk of the salmon hot tub method?

• It can overheat the fish.

• It can cause chemical burns.

• It can lead to greater damage in already injured fish.

• It can cause the fish to become too relaxed.

What percentage of adult sea lice can be removed using the hot tub method in Chile?

• 85%

• 75%

• 99%

• 60%

Why did pharmaceuticals become less effective against sea lice?

• Sea lice developed resistance to them.

• They were too expensive.

• They were banned by regulations.

• They were harmful to the environment.

What is a natural method for controlling sea lice populations?

• Using chemical sprays.

• Introducing cleaner fish into the ecosystem.

• Increasing water temperature.

• Using electric shocks.

What is a major challenge with using cleaner fish?

• They prefer different water depths than salmon.

• They are too expensive to maintain.

• They require special training.

• They are not effective at eating sea lice.

What is the Stingray model used for?

• To zap sea lice with lasers using AI.

• To train fish to avoid lice.

• To monitor fish health.

• To manually remove sea lice.

What was the outcome of the 2020 study on the Stingray robot?

• It harmed the salmon.

• It increased sea lice numbers.

• It had no effect on sea lice numbers.

• It significantly reduced sea lice numbers.