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An integrated enterprise on a small piece of land
Stockfarm
|November 2025
Hennie and Liza-Mari Jonker manage a highly productive 6,6ha farm outside Kroonstad, where they farm more than 800 sheep, 1 500 laying hens, two dozen Boer goats, and a flock of Damara sheep – all with the goal of living as self-sufficiently as possible.
The Jonkers first drew attention eight years ago when they showed both the junior champion and reserve junior champion Hampshire Down rams at the Royal Show in Pietermaritzburg, just a year after having registered their Zorro Hampshire Down stud.
Since then, they have continued making headlines nationwide with a string of achievements in the showring. These include producing Hampshire Down ram champions from 2019 through 2024, as well as taking home the supreme interbreed champion title at the 2023 Royal Show and the reserve supreme interbreed champion in 2024.
While their record over the years is impressive, 2025 has been a standout year so far. At the recent All-breed Show at the Afridome in Parys, the Jonkers secured top honours in the carcass competition, winning both the single and group of four categories. Their single-carcass winner weighed 25,4kg and fetched R30 000 at the auction. They also claimed victory in the Lamb Champs elimination round held at the same event.
Fields and fertilisationAfter years of renting land to accommodate their sheep and feedlot, Hennie and Liza-Mari purchased a portion of land outside Kroonstad shortly after the Covid pandemic and relocated their operation there. "Our aim has always been to create synergy between the different facets of our farming business, while remaining sustainable," explains Hennie. "Input costs are simply too high, so we had to look at possible savings. We couldn't do much about the lamb price, but we could save on fertiliser."
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MÁS HISTORIAS DE Stockfarm
Stockfarm
Boer goat management: Dosing for success
Boer goats were bred for South African conditions, making them hardy and well-adapted. However, like sheep, they still need to be dosed against parasites.
2 mins
November 2025
Stockfarm
Understanding the difference between inbreeding and linebreeding
The distinction between inbreeding and linebreeding is often confusing. A common misconception is that successful outcomes are attributed to linebreeding, whereas failures are blamed on inbreeding. Another inaccurate belief is that inbreeding refers to sibling matings (for example brother and sister), whereas linebreeding involves parent-offspring pairings. In reality, both scenarios are incorrect and should never be pursued intentionally due to its potentially serious genetic consequences.
2 mins
November 2025
Stockfarm
Dry anaerobic digestion: A sustainable, water-wise, waste-to-energy solution
Imagine an ideal world where cattle manure, crop waste and food scraps do not end up accumulating in landfills but are used to light up homes, cook meals, heat schools, and fertilise gardens.
4 mins
November 2025
Stockfarm
Is the 'second bite' really so bad?
One of the most common misconceptions among grazing managers is that allowing animals to graze grass regrowth is harmful, says Richard Fynn, professor of Rangeland Science at the Okavango Research Institute, University of Botswana.
4 mins
November 2025
Stockfarm
2025 Toyota SA National Young Auctioneer crowned
The winner of Plaas Media's Toyota SA National Young Auctioneer Competition was crowned on 12 September at NAMPO Cape in Bredasdorp. Five top aspiring auctioneers vied for the title, but it was Toog Vermaak who walked away with the honours. This marked the twelfth edition of the competition, with Toyota SA proudly serving as the name sponsor since its inception.
1 mins
November 2025
Stockfarm
Labour dynamics in South Africa's agricultural sector
Statistics South Africa's Labour Force Survey for the second quarter of 2025 released in August, estimates that around 16,8 million people were employed at that time. This represents an increase of approximately 0,9% (around 154 000 people) compared to last year. The unemployment rate is estimated at 33,2%, down 0,3% from a year earlier, but 0,3% higher than in the first quarter of 2025. Including discouraged job seekers, the broad unemployment rate stands at 42,9%.
5 mins
November 2025
Stockfarm
Boer goat management: Dosing for success
Boer goats were bred for South African conditions, making them hardy and well-adapted. However, like sheep, they still need to be dosed against parasites.
2 mins
November 2025
Stockfarm
Installation of electricity to improve farm dwellings
The Supreme Court of Appeal has upheld a Land Court ruling in Sibanyoni family vs Van der Merwe (the Sibanyoni case) namely that farm dwellers' right - as defined in the Extension of Security of Tenure Act, 1997 (Act 62 of 1997) (ESTA) – to improve their dwellings includes the right to have electricity installed.
2 mins
November 2025
Stockfarm
An integrated enterprise on a small piece of land
Hennie and Liza-Mari Jonker manage a highly productive 6,6ha farm outside Kroonstad, where they farm more than 800 sheep, 1 500 laying hens, two dozen Boer goats, and a flock of Damara sheep – all with the goal of living as self-sufficiently as possible.
5 mins
November 2025
Stockfarm
Importance of standardised testing in accurate genetic evaluation
In recent years, the beef breeding industry has witnessed a surge in private performance testing service providers catering to cattle breeders. This makes it more important than ever to emphasise the value of standardised performance testing procedures at testing centres. Such standards ensure that tests are scientifically sound, that the collected data is reliable, and that the results add value to breeders' selection decisions while benefiting the national beef industry.
2 mins
November 2025
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