REVISION CHAPTER 1 & 2

Describe Water Quality in your own words...

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In aquaculture, we need............to ensure the success of aquaculture farming.

• good water quality

• bad water quality

Poor water quality is.....

• Changes in water characteristic that reduce production yield of an aquatic species

• Changes in water characteristic that increase production yield of an aquatic species

• Low growth performance

• fish may have low diseases resistance

In aquaculture, we are concerned about the quality of water in 3 major areas..

• Quality of water at source ( influent)

• Water quality requirements in the culture system

• Impact caused by aquaculture effluent

Good water quality may results in..

• High profitability

• low product quality

• high production yield

• high product quality

Below are the importance of water quality in aquaculture except..

• Fish can perform all its physiological activities in the water

• Fish grow healthy throughout the culture cycle

• improve water quality in culture system

• increase environmental impacts of effluent

Below are the importance of water quality in aquaculture except..

• Fish can perform all its physiological activities in the water

• Fish grow healthy throughout the culture cycle

• improve water quality in culture system

• increase environmental impacts of effluent

good water quality =

• poor harvest

• excellent harvest

Bad water quality may affect ...

• environmental

• production yield

• workers salary

• fish growth

Main water source in aquaculture is..

• alternative water

• surface water

• ground water