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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

UFS staff get salary adjustment of 13,35%
2008-11-13

 

At the signing of the salary agreement were, from the left: Prof. Johan Grobbelaar, Chairperson of UVPERSU, Prof. Teuns Verschoor, Acting Rector of the UFS, and Ms Senovia Welman, Chairperson of NEHAWU.
Photo: Anita Lombard

UFS staff get salary adjustment of 13,35%

The University of the Free State’s (UFS) management and trade unions have agreed on an improvement in the service benefits of staff of 16,55% for 2009. This includes a general salary adjustment of 13,35% (according to the estimated government subsidy that will be received in 2009).

“The negotiating parties agreed that adjustments could vary from a minimum of 13,00%, or more, depending on the government subsidy and the model forecasts. If the minimum of 13,00% is not affordable, the parties will re-negotiate,” said Prof. Teuns Verschoor, Acting Rector of the UFS.

“The negotiations were conducted in a positive spirit and the parties are in agreement that it is an exceptionally good adjustment – being higher than for example the increase in medical premiums,” said Prof. Verschoor.

The agreement was signed yesterday by representatives of the UFS management and the trade unions, UVPERSU and NEHAWU.

An additional once-off non-pensionable bonus of R3 390 will also be paid to staff later this year.

The bonus will be paid to all staff members who were in the employ of the UFS on UFS conditions of service on 10 November 2008 and who assumed duties before 1 October 2008. This includes all former Vista staff, regardless of whether they have already been aligned with UFS conditions of service.


The bonus is payable in recognition of the role played by staff during the year to promote the UFS as a university of excellence and as confirmation of the role and effectiveness of the remuneration model.

“It is important to note that this bonus can be paid due to the favourable financial outcome of 2008,” said Prof. Verschoor.

It is the intention to pass the maximum benefit possible on to staff without exceeding the limits of financial sustainability of the institution. For this reason, the negotiating parties reaffirmed their commitment to the Multiple-year Income-related Remuneration Improvement Model used as a framework for negotiations. The model and its applications are unique and has as a point of departure that the UFS must be and remain financially sustainable.

Additional funding (0,70%) was also negotiated. This will be allocated on 1 January 2009 to accelerate the phasing-in of medical benefits and, if possible, to finalise the phasing-in process. Agreement was reached that 2,50% will be allocated for growth in capacity building to ensure that provision is made for the growth of the UFS over the last few years, as well as the incorporation of Vista staff.

The agreement also applies to all staff members of the two above-mentioned campuses whose conditions of employment have already been aligned with those of the Main Campus.

The implementation date for the salary adjustment is 1 January 2009. The adjustment will be calculated on the total remuneration package.

In 2008, a total improvement of service benefits of 9,32% and a salary adjustment of 7,52% were paid to employees. Staff received a once-off non-pensionable bonus of R3 000 at the end of 2007.

Media Release
Issued by: Lacea Loader
Assistant Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za  
12 November 2007
 

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