SUSTAINABLE AQUACULTURE PRODUCTION
Catfish production technique
discussed in this manual is based and built upon the following principles for
sustainable aquaculture, namely:
Ø Farm management,
Ø Stock quality,
Ø Feed quality and quantity,
Ø Water quality,
Ø Cost of inputs, and
Ø Market
Sustainable
aquaculture as applied in this technology package is “an adaptable aquaculture production
technology system whose ecological and economic viability persists indefinitely”.
Fishes are greatly affected by the environment in which they are grown. An
aquatic ecosystem is extremely dynamic, changing with nutrient inputs, weather
and season. The effects of the changes are even more pronounced in artificial
systems (like fish farms) where man influences what organisms and other inputs
that are added to the culture environment. Fish growth and survival are closely
related to water quality.
Furthermore,
fishes are cold-blooded animals. All of their bodily functions are directly
influenced by the temperature of the environment. So, while the markets
determine aquaculture opportunity, the ecological and economic principles
determine choices for sustainable aquaculture practices and technology.
Therefore, user of the manual are encouraged to understand the principles upon
which catfish static water pond production technology is based. This is because
the specific environment where the farm is located defined what additional
opportunities and constraints in production one is likely to encounter. Farmers
and extension agents are, therefore, encouraged to be observant and continue to
make adaptations, in order to enhance the productivity and profitability of
their specific enterprises. Therefore, this book is but a general guide to the
commercial production of catfish in ponds. The process is highly technical
(especially spawning).
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