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Aquaculture

Understanding the great trout debate

Understanding the great trout debate

The production of trout remains a heated topic between conservationists and aquaculturists.
The divide between knowledge and experience

The divide between knowledge and experience

Many experts have the theoretical knowledge, but fail to put themselves in the shoes of the rural, small-scale fish farmer.
Green water fish systems

Green water fish culture: the perfect alternative

Green water culture provides a highly nutritious ‘soup’ of feed for fish stock, promoting faster growth. It also cuts out the high cost of artificial feed.
Theft ruining the hopes of aquaculture in Africa

Theft ruining the hopes of aquaculture in Africa

Small-scale aquaculture will never succeed if producers are forced to finance heavy-security fencing for their ponds.
Know your Tilapia strains

Know your Tilapia strains

Nile tilapia has become the species of choice for global commercial aquaculture after years of selective breeding.
Aquaponics: how to get plumper, healthier fish

Aquaponics: how to get plumper, healthier fish

If you want to grow plants and decent-sized fish, the first step is to get rid of those plastic circular bins.
Cage culture for SA

Cage culture for SA: small scale, big benefits

There are massive dams and reservoirs in South Africa that are ideal for cage culture, yet are not used for this purpose. What a waste of this marvellous resource!
Reared in brackish water, and worth its salt!

Reared in brackish water, and worth its salt!

Brackish water can be put to good use in the cultivation of tilapia. Despite being primarily a freshwater species, tilapia are salt-tolerant and actually thrive in saline conditions.
A single ideal aquaculture system? Forget it!

A single ideal aquaculture system? Forget it!

On paper, many aquaculture systems look appealing, but are they suited to South Africa’s challenging conditions?
Aquaponics: a teenager’s passion grows into a business

Aquaponics: a teenager’s passion grows into a business

A Pretoria-based teenager is running a successful aquaponics farm, and doing so with expertise and foresight.
Small aquaculture systems: the simpler, the better!

Small aquaculture systems: the simpler, the better!

Because of their scale, these systems have very limited yields. Choosing a complex, small system will not increase yield; it will only increase cost!
Why aquaculture is stressful for fish

Why aquaculture is stressful for fish

Fish species that are adapted for rivers generally perform better under aquaculture’s challenging conditions.

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The wildfire that occurred in Trompsburg between 15 and 17 November was a classic example of extreme fire behaviour caused by weather conditions conducive to the development of a fire...

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