AQUACULTURE MAKHATHINI AQUACULTURE MAKHATHINI RESEARCH STATIONRESEARCH STATION

INTRODUCTIONINTRODUCTION

• AQUACULTURE CAN BE DEFINED AS THE ARTIFICIAL PROPAGATION OF AQUATIC SPECIES e.g. fish

objectivesobjectives

• To provide fingerlings to the small-scale farmers

• Promotion and demonstration of fish farming

• Evaluation and implementation of aquaculture systems

Fish speciesFish species

• Tilapia rendalli

Fish speciesFish species

• Oreochromis Mossambicus tilapia

Fish speciesFish species

• Claria Gariepinus • ( Catfish )

Aquaculture production SystemsAquaculture production Systems

• Earthen pond system integrated with poultry

Aquaculture production systemsAquaculture production systems

• Intensive tank systems

Aquaculture production systemsAquaculture production systems

• Cage system

Research projectsResearch projectsThe effect of aquaculture on water The effect of aquaculture on water

quality used for irrigationquality used for irrigation

Project objectives• Determine the impact of water quality

changes on fitness – of- use for other uses.

• To establish the interaction between aquaculture and irrigation activities.

• To assess the resultant water quality.

Catfish production in Cage systemCatfish production in Cage system

date biomass SD Mass gain

Temp D O Feed

04/02/04

574Kg 1280

30/04/04

793.5 1142 220Kg 26 8.5mg/l

773Kg

Selling price

price

R10/ Kg R4.40/Kg

Research projectResearch projectThe use of frozen ram testis for sex The use of frozen ram testis for sex

reversal on Oreochromis reversal on Oreochromis mossambicusmossambicus

Objectives

Production of monsex fish – Why ?- Male grow faster than females- Prevent breeding which result in stunted

growth.

Ornamental fishOrnamental fish

ConclusionConclusion

• As the world’s population and diseases increases, there is a huge demand for protein.

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