The refusal of both state and private investors to take good advice has left a trail of failed aquaculture projects across South Africa.
The design of an aquaculture system is essential to the operation’s success, and should be appropriate to environmental conditions and staffing skills.
Riverine tilapia species are more suitable to South African aquaculture conditions than lacustrine species.
The versatile tilapia is found all over Africa, but not all species are suitable for aquaculture production.
Not all fish species are suitable for aquaculture simply because they grow large in their natural habitat.
Production claims must be based on proven, long-term commercial results – they cannot be extrapolated.
The SA government does not provide adequate support or information to rural people who want to start a fish farm.
There are four key aspects of filtration, all of which are non-negotiable and integral to running a successful system.
The efficacy of any recirculating system must be based on solid evidence and statistics over a full season.
Sweeping claims about toxins contained in farmed fish, which are supposedly dangerous to human health, are unsubstantiated and false.
Local aquaculture is hampered by misguided policies, over-regulation and government interference – all of which serve to stifle what could otherwise be a highly productive and lucrative industry.
Any viable tilapia grow-out system is dependent on adequate oxygen levels. As stocking rates and fish size increase, so too does demand for oxygen, and it is important to ensure...