Fish Stress Reduction in Holding Tanks

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What is the primary reason for ensuring the water used to fill holding tanks is similar to the original water source?

To prevent chemical contamination
To improve water aeration
To reduce fish stress (correct)
To reduce the risk of microbiological contamination

Why should fish not be fed 24 hours before transportation?

To reduce water pollution
To prevent food contamination
To minimize fish stress (correct)
To improve water aeration

What is the primary purpose of well-aerating the water in holding and conditioning tanks before transferring fish?

To prevent chemical contamination
To improve water quality
To reduce microbiological contamination
To minimize fish stress (correct)

What is the primary purpose of designing and operating holding tanks and transportation systems in a hygienic way?

To prevent water contamination (C) Signup and view all the answers

What is the primary purpose of preventing contact between the harvested product and washdown or bilge water, or shell fluid?

To prevent microbiological contamination (B) Signup and view all the answers

What is the primary purpose of harvesting in an area approved by the official agency having jurisdiction?

To prevent microbiological contamination (D) Signup and view all the answers

What is the primary purpose of rapid chilling in fish handling?

To preserve the quality of the fish (B) Signup and view all the answers

Why is rapid chilling not recommended for temperate, cool, or cold water fish species?

It can result in the death of these fish (D) Signup and view all the answers

What is the main benefit of low-temperature fish handling through icing and freezing?

To preserve fish quality by retarding bacterial and enzymatic activities (D) Signup and view all the answers

What does good hygiene practice entail in post-harvest handling of fish?

Ensuring cleanliness and preventing contamination of fish with disease-causing microorganisms (A) Signup and view all the answers

Why is proper disinfection and sanitation crucial in handling fish?

To keep fishing materials clean and free from pathogens and contaminants (A) Signup and view all the answers

What are the consequences of poor post-harvest handling related to physical fish loss?

Intentional throwing away of unused fish after capture (A) Signup and view all the answers

What is the main purpose of using clean protective clothing when handling fish?

To reduce the risk of contamination of the fish (A) Signup and view all the answers

What is the primary function of using clean plastic containers to store fish with ice?

To provide insulation and reduce spoilage (B) Signup and view all the answers

How does a secure fence and guarded entrance at the landing site help prevent fish contamination?

It keeps unauthorized people and animals away, reducing the risk of contamination (C) Signup and view all the answers

What is the primary purpose of keeping the landing site clear of waste?

To reduce the risk of contamination (B) Signup and view all the answers

How does a smooth and well-maintained jetty floor help prevent fish contamination?

It makes the jetty easier to clean (C) Signup and view all the answers

What is the primary risk associated with using the beach as a toilet near the landing site?

It contaminates the fish with microorganisms from human waste (B) Signup and view all the answers