Aquaculture

Tunnel design is important

Designs of aquaculture systems within fish-farming tunnels vary widely, and many have failed. What options are available and what are the non-negotiables when it comes to tunnel design?

Tilapia farming can be done in SA

Ignore all that talk of ‘poor species’ and ‘low temperatures’ – tilapia farming in SA can succeed, as long as a few fundamentals are followed.

Not all fish are born equal

Prospective fish farmers take the risk of using poor quality breeding stock when they buy fingerlings of unknown ancestry. Such fish will not grow rapidly to market size, despite good husbandry.

Tilapia: why quality seed counts

Tilapia farming is now well established in Asia, but will only succeed in SA if good quality stock is used in an economically viable culture environment.

Abalone farming in Hermanus

Adri Claassen, abalone farmer extraordinaire, talks to Denene Erasmus about farming these sought after sea delicacies.

Damning reaction to Mzimvubu dam plan

Yolan Friedman, CEO of the Endangered Wildlife Trust, has lashed out at plans for a large dam to be constructed on the former Transkei's and SA's largest undammed river, the Mzimvubu.

Pioneers of SA marron production

For seven years Vaughn Bursey and John Tinley (above) of Smiling Valley Aquaculture have pursued and persevered their passion for aquaculture by farming marron freshwater crayfish. Mike Burgess visits them to find that this year - thanks to the knowledge gleaned from years of trial and error - they expect to produce up to 80 000 juveniles and 1 500kg edible marron from their 1,2ha of ponds

SA aquaculture: the catch of the day?

South Africa is faced with the unique opportunity to implement international best practice when establishing its aquaculture industry, says Terry Bennett from South Africa's largest and oldest fishing company Irvin and Johnson. Issue Date: 16 February 2007

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