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Questions and Answers
What percentage of water should be changed daily in broodstock tanks to ensure good reproductive success?
What percentage of water should be changed daily in broodstock tanks to ensure good reproductive success?
- 100-200% (correct)
- 30-60%
- 80-150%
- 50-100%
What method can be used to maintain water quality in broodstock tanks?
What method can be used to maintain water quality in broodstock tanks?
- Static water retention
- Recirculating system or flow-through setup (correct)
- Reducing aeration levels
- Dilution with freshwater only
Why is strong aeration necessary in broodstock tanks?
Why is strong aeration necessary in broodstock tanks?
- To reduce water salinity
- To facilitate waste accumulation
- To prevent oxygen depletion (correct)
- To increase water temperature
Which of the following best describes the effect of not changing enough water in broodstock tanks?
Which of the following best describes the effect of not changing enough water in broodstock tanks?
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What is the primary purpose of the daily water change in broodstock tanks?
What is the primary purpose of the daily water change in broodstock tanks?
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Study Notes
Water Quality Management in Broodstock Tanks
- Daily water replacement of 100-200% is essential for maintaining good water quality.
- Two systems can be employed for water management: recirculating system or flow-through setup.
- Recirculating systems help in efficiently conserving water while maintaining quality.
- Flow-through setups continuously drain and replenish water, ensuring freshness.
- Moderate to strong aeration is crucial to prevent oxygen depletion in the tanks.
- Proper oxygen levels are vital for the health and reproductive success of breeders.
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