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How to Raise Catfishes - Quiz
Contributed by: Boyd
  • 1. What is the ideal water temperature for catfish farming?
A) 10-15°C
B) 35-40°C
C) 5-10°C
D) 26-30°C
  • 2. Which of these is a common catfish species used in aquaculture?
A) Clarias gariepinus
B) Oncorhynchus mykiss
C) Salmo salar
D) Cyprinus carpio
  • 3. What is the recommended stocking density for catfish in ponds?
A) 5-10 fish/m²
B) 100+ fish/m²
C) 50-60 fish/m²
D) 20-30 fish/m²
  • 4. What is the primary food source for catfish in intensive farming?
A) Algae
B) Detritus
C) Zooplankton
D) Commercial feed
  • 5. What is the approximate protein requirement in catfish feed?
A) 5-10%
B) 28-32%
C) 40-45%
D) 10-15%
  • 6. Which water quality parameter is crucial to monitor in catfish ponds?
A) Dissolved oxygen
B) pH
C) Temperature
D) Water clarity
  • 7. What is the recommended pH range for catfish farming?
A) 9.0-10.0
B) 2.0-3.0
C) 4.0-5.0
D) 6.5-8.5
  • 8. Which of the following is a common disease affecting catfish?
A) Tuberculosis
B) Saprolignia
C) Ichthyophthirius
D) Columnaris
  • 9. What is a common method for preventing diseases in catfish farming?
A) High stocking density
B) Ignoring water parameters
C) Overfeeding
D) Water quality management
  • 10. How often should catfish ponds be fertilized?
A) Depending on nutrient levels
B) Never
C) Weekly
D) Daily
  • 11. What is the purpose of aeration in catfish ponds?
A) Remove algae
B) Decrease pH
C) Increase dissolved oxygen
D) Reduce water temperature
  • 12. What is the typical harvest size for catfish?
A) 0.1-0.2 kg
B) 2-3 kg
C) 5+ kg
D) 0.5-1 kg
  • 13. What is the most common method of harvesting catfish?
A) Hook and line
B) Dynamite fishing
C) Electrofishing
D) Seine netting
  • 14. What type of pond is generally recommended for catfish farming?
A) Glass pond
B) Concrete pond
C) Plastic pond
D) Earthen pond
  • 15. What is the importance of pond preparation before stocking?
A) Attracts predators
B) Decreases water quality
C) Removes predators and competitors
D) Increases algae growth
  • 16. What is the role of probiotics in catfish farming?
A) Kill bacteria
B) Increase water turbidity
C) Improve gut health
D) Reduce oxygen levels
  • 17. Why is water exchange important in catfish ponds?
A) Reduces feed efficiency
B) Increases disease outbreaks
C) Maintains water quality
D) Decreases fish growth
  • 18. What is the effect of high ammonia levels in catfish ponds?
A) Beneficial for growth
B) Reduces algae blooms
C) Toxic to fish
D) Increases oxygen levels
  • 19. What is the ideal depth for a catfish pond?
A) 0.5 meters
B) 2.5 meters
C) 1-1.5 meters
D) 3+ meters
  • 20. What is the purpose of liming catfish ponds?
A) Decrease oxygen
B) Remove algae
C) Adjust pH
D) Increase salinity
  • 21. What is the advantage of using formulated feed?
A) Less water pollution
B) Slower growth
C) Lower cost
D) Balanced nutrition
  • 22. How can you manage aquatic weeds in catfish ponds?
A) Adding fertilizer
B) Decreasing water depth
C) Increasing fish density
D) Manual removal
  • 23. What is the purpose of a feed trial?
A) Increase mortality
B) Reduce growth rate
C) Lower water quality
D) Determine the best feed
  • 24. What should be monitored during a feed trial?
A) Growth rate
B) Soil type
C) Air temperature
D) Cloud cover
  • 25. What is the optimal feeding frequency for juvenile catfish?
A) Only at night
B) Once a week
C) Once a day
D) 3-4 times per day
  • 26. What is a common sign of oxygen depletion in a catfish pond?
A) Algae bloom
B) Fish gasping at the surface
C) Clear water
D) Fish swimming actively
  • 27. What is the importance of biosecurity in catfish farming?
A) Promote algae growth
B) Increase production costs
C) Reduce fish growth
D) Prevent disease introduction
  • 28. What is the purpose of grading catfish?
A) Separate fish by size
B) Increase disease transmission
C) Reduce growth rate
D) Promote cannibalism
  • 29. What is a common method for controlling snails in catfish ponds?
A) Reducing aeration
B) Adding sugar
C) Increasing water depth
D) Biological control
  • 30. What is the benefit of integrated fish farming?
A) Higher input costs
B) Reduced productivity
C) Resource recycling
D) Increased pollution
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