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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