Aquaculture

Closed heated systems for tilapia

Our much-beloved Mozambique tilapia requires water temperatures of 26°C or higher to grow rapidly. There are several ways to achieve this under culture conditions, but not all are practical.

Gadgets for aquaculture

Workers on fish farms in Asia use some ingenious tools. Most of the equipment is practically thought out, and designed simply and effectively.

Lessons in aquaculture from Asia

The technology used to produce African tilapias in Asia is simple but effective. What relevance does it have for fish farming in South Africa?

Alternative species for aquaculture

Catfish, silver barbel and other fish have farming potential, but there are obstacles.

Moving fish

Special care needs to be taken when moving fish in order to minimise their stress levels and thus prevent unnecessary deaths.

The Great Nile Tilapia Debate

There are several species of tilapia to farm with. One appears to have the edge over the rest. But even this species is no miracle fish. Careful farming is still...
Ornamental-fish-farming

Ornamental fish farming

Produced on a small scale, this includes cold-water pond fish, such as koi carp, as well as tropical fish.
Making-fish-farming-work

Making fish farming work

Most freshwater fish farms in tropical Africa operate with minimum investment and infrastructure. Despite this, many are doing well. What, then, defines ‘success’ in aquaculture?

All about aquaponics

Aquaponics is a mutually beneficial system. It is a great way of farming fish and growing plants organically – hence its increasing popularity in SA.

Tilapia industry requires funding

South Africa’s fledgling tilapia industry has now reached a stage where it needs to be able to speak to funding agencies and the government with one voice.

About pond aquaculture

Good husbandry, economically viable feeding and correct system design are the key to pond farming.
Trials for the tilapia industry

Trials for the tilapia industry

The tilapia industry is still in its infancy in South Africa, but is a lucrative investment with potential as a quality source of protein. Until markets are properly developed, the...

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hardy Bosvelder-type ewes

Indigenous livestock perfect for small-scale farmers

Ross Rayner and his father, Roger, farm 40 Nguni cows and 35 Bosvelder-type ewes on 250ha in the Mankazana Valley near Adelaide in the Eastern Cape. Their operation is an...

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