Podcast
Questions and Answers
What is the primary function of oxygen in fish?
What is the primary function of oxygen in fish?
- To convert dry feed into pellets
- To break down protein and produce energy (correct)
- To produce ammonia and carbon dioxide
- To excrete waste products
What is the recommended type of feed for recirculation systems?
What is the recommended type of feed for recirculation systems?
- Wet feed
- Live feed
- Dry feed (correct)
- Trash fish
What happens to carbon dioxide and ammonia in a fish rearing system?
What happens to carbon dioxide and ammonia in a fish rearing system?
- They are excreted from the gills into the water (correct)
- They are absorbed by the fish
- They are excreted into the air
- They are broken down into oxygen
What is the benefit of improved feed conversion rate (FCR) in fish farming?
What is the benefit of improved feed conversion rate (FCR) in fish farming?
What is the purpose of designing feeds specifically for recirculation systems?
What is the purpose of designing feeds specifically for recirculation systems?
What is a critical aspect of tank design in fish rearing systems?
What is a critical aspect of tank design in fish rearing systems?
What is the main purpose of a recirculation system in a fish farm?
What is the main purpose of a recirculation system in a fish farm?
What happens to the water after it leaves the fish tanks in a recirculation system?
What happens to the water after it leaves the fish tanks in a recirculation system?
What is the purpose of aeration in a recirculation system?
What is the purpose of aeration in a recirculation system?
What is the result of the fish eating and digesting food in a fish farm?
What is the result of the fish eating and digesting food in a fish farm?
What is the purpose of biological treatment in a recirculation system?
What is the purpose of biological treatment in a recirculation system?
What can be added to a basic water treatment system in a recirculation system?
What can be added to a basic water treatment system in a recirculation system?
What is the primary reason for providing ample tank surface area for bottom-dwelling fish?
What is the primary reason for providing ample tank surface area for bottom-dwelling fish?
Which species perform better with larger water volumes?
Which species perform better with larger water volumes?
What happens to the sludge after it flows out of the filter?
What happens to the sludge after it flows out of the filter?
What is the effect of higher water speeds on pelagic species?
What is the effect of higher water speeds on pelagic species?
What is the benefit of a circular tank design?
What is the benefit of a circular tank design?
What is an advantage of microscreen filtration?
What is an advantage of microscreen filtration?
What is the recommended pH range for optimal biofiltration?
What is the recommended pH range for optimal biofiltration?
What is the effect of increasing pH on ammonia toxicity?
What is the effect of increasing pH on ammonia toxicity?
What is an alternative method to increase oxygen levels in fish farming?
What is an alternative method to increase oxygen levels in fish farming?
What is the end product of nitrification in a biofilter?
What is the end product of nitrification in a biofilter?
What are the two major factors that affect pH in a water recirculation system?
What are the two major factors that affect pH in a water recirculation system?
What is a necessary condition for optimal nitrification?
What is a necessary condition for optimal nitrification?
Why is managing oxygen levels crucial in fish farming?
Why is managing oxygen levels crucial in fish farming?
What is the purpose of heterotrophic bacteria in the biofilter?
What is the purpose of heterotrophic bacteria in the biofilter?
What is added to the water to stabilize the pH?
What is added to the water to stabilize the pH?
Why does the nitrification process affect the pH level?
Why does the nitrification process affect the pH level?
Why is nitrogen in the form of free ammonia a concern?
Why is nitrogen in the form of free ammonia a concern?