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18 February 2019 | Story Leonie Bolleurs | Photo HO de Waal
Ground spiny Cactus pear
Shredded, sun-dried, and coarsely ground spiny cactus pear (Opuntia ficus-indica and O. engelmannii), ready to be included in balanced diets for ruminant livestock (cattle, sheep, goats) and wild antelopes.

Prof HO de Waal, researcher in the Department of Animal, Wildlife and Grassland Sciences at the University of the Free State (UFS), has developed a standard procedure for the processing of spiny cactus pear (Opuntia spp.) into livestock fodder. This will ultimately assist in the management of massive infestations of spiny cactus pear and help to convert underutilised farmland back to natural grazing land.

In addition to applying biological control agents, mechanical control is used to harvest alien spiny cactus pear, and the large volume of material is processed as livestock feed.

 

Introduced to South Africa

 

Three hundred years ago, seafarers visiting the Cape of Good Hope introduced the well-known invading alien spiny cactus pear to South Africa. These were later transported inland and by the 1950s about one million ha of South Africa had been invaded by the alien cacti.

Some regions in the Eastern Cape have been taken over by dense, impenetrable thickets of these cacti. Invasive alien plants (IAPs) such as cacti pose a direct threat to, among others, South Africa’s water security and productive use of land.

A range of methods is used to control IAPs, including mechanical, chemical, biological, and integrated control methods.

A control programme must include the three phases of initial control to drastically reduce the existing population; follow-up control of seedlings, root suckers, and coppice growth; and maintenance control on an annual basis to sustain low alien plant numbers.

 

Processing spiny cactus pears

 

According to Prof De Waal, the harvesting and processing of the spiny cactus pear is fairly simple. Although it requires a good measure of physical strength, perseverance, and the necessary protective clothing, the cacti can be processed by harvesting the plants; shredding the cladodes through a cladode cutter; then drying them in the sun, and lastly grinding it in a hammer mill. “The long spines are degraded mechanically by grinding the sun-dried cladode strips in a hammer mill before including it in balanced livestock diets,” said Prof De Waal.

Infestations will be opened, reclaimed, rehabilitated and the natural pastures (veld) allowed to revert back to grazing for livestock.

The National Resource Management Programme (NRM)P) will be approached for official support in clearing and rehabilitating massive areas of infestation by alien spiny cactus pear in the Eastern Cape. Such financial support will be an investment in reducing the infestation by invaders and the rehabilitation and sustainable use of natural resources in South Africa.

News Archive

King Moshoeshoe comes alive on national television
2004-11-02

Honourable Bethuel Pakalitha Mosisili, Prime Minister of Lesotho, and his wife; King Letsie III of Lesotho and Dr Ezekiel Moraka, Vice-Rector: Student Affairs at the UFS during the première of the film at the Royal Palace in Lesotho

The ground-breaking documentary film on the life and legacy of King Moshoeshoe, the founder of the Basotho nation, will come alive on Thursday 4 November 2004 when it is screened on SABC2 at 21:00

The film, called Moshoeshoe: The Renaissance King, forms part of a larger project by the University of the Free State (UFS) to honour the Moshoeshoe legacy of nation-building and reconciliation and to explore his role as a model of African leadership. It was produced by the well-known journalist Mr Max du Preez and commissioned by the UFS as part of its centenary celebrations.

The SABC2 screening was preceded by a première in Bloemfontein last month, and was attended by provincial political leaders.

This past weekend there was a première at the Royal Palace in Lesotho, which was attended by King Letsie III, the prime minister, the chief justice, judges, the president of the senate, cabinet ministers and directors-general.

“Through this documentary film the UFS commits itself to developing a shared appreciation of the history of this country and to the establishment of the Free State Province as a model of reconciliation and nation-building. King Moshoeshoe is also a strong common element, and binding factor, in the relationship between South Africa/the Free State, and its neighbour, Lesotho,” said Prof Frederick Fourie, Rector and Vice-Chancellor of the UFS.

“Not all people in South Africa know the history of Moshoeshoe. Many Basotho – but not all – are well versed in the history of Moshoeshoe, and his name is honoured in many a street, town and township. Many white people know little of him, or have a very constrained or even biased view of his role and legacy. In Africa and the world, he is much less known than, for instance, Shaka,” said Prof Fourie.

“King Moshoeshoe did a remarkable thing in forging a new nation out of a fragmented society. He also created a remarkable spirit of reconciliation and a remarkable spirit of leadership,” said Prof Fourie.

According to Prof Fourie we already benefit from his legacy: the people of the Free State share a tradition of moderation and reconciliation rather than one of aggression and domination. “For the UFS this is also part of real transformation – of creating a new unity amidst our diversity,” said Prof Fourie.

“We also find in the legacy of King Moshoeshoe the possibility of a “founding philosophy”, or “defining philosophy”, for the African renaissance. To develop this philosophy, we must gain a deeper understanding of what really happened there, of his role, of his leadership. Therefore the UFS will encourage and support further research into the history, politics and sociology of the Moshoeshoe period, including his leadership style,” said Prof Fourie.

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
2 November 2004

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