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21 April 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Walena and Elize
Walena Marambakuyana and Elize Swartz.

Her love of numbers and analysing data – to such an extent that she, just for the fun of it, did university Mathematics in her spare time in Grade 10. This not only resulted in an A for Maths in matric, but also contributed to Walena Anesu Marambakuyana’s success during her postgraduate studies, as she was announced the best honours student in her year group in the Faculty of Natural and Agricultural Sciences. 

Solutions to Africa’s challenges

For this prestigious achievement, she was presented the Dean’s Medal, which she collected during the faculty’s graduation ceremony on 21 April 2022. “I can't begin to say how much this means to me. I think of the struggles that I've faced, and it just proves to me that anything is possible if you set your mind to it,” says Walena, who believes this achievement will also motivate her little sisters to aim higher in life. 

Walena, who completed her undergraduate studies in Actuarial and Financial Mathematics at the University of Pretoria, continued with her honour’s degree in Risk Analysis at the UFS.

“Thinking back, it was always clear that I would take this route. Throughout primary school and high school, the Math teachers particularly liked me. I think it was because they saw that I really enjoyed Mathematics. I also remember that at the tender age of seven, my dad's colleagues would call me a mathematician,” recounts Walena.

She, like her aunt and role model, Dr C Gandidzanwa, is working towards obtaining a PhD. Currently, Walena is enrolled for the master’s degree in Risk Analysis at the UFS. “In my view, a PhD would enable me to contribute to innovative ideas that will provide solutions to the various challenges we are facing in Africa and the world at large. I specifically would like to inspire younger generations coming after us to safeguard against risks by anticipating, assessing, and taking the necessary steps to mitigate against risks,” she says.

“I believe risk assessment and mitigation not only contribute to my day-to-day activities; it also affects bigger global challenges such as climate change. Through my studies, I have a clear picture of what can be done to mitigate these risks. However, the challenge is always to ensure that this filters to practical action,” says Walena.

This is where I belong

Receiving the Dean’s Medal for the best marks in the group of master’s students in the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS), was another mathematician, Elize Swartz. “Receiving the Dean's Medal is a great honour for me. It reminds me that hard work pays off and it encourages me to continue with my studies.”

She completed her honours degree, majoring in Mathematics and Applied Mathematics, in 2019 and her master’s degree in Mathematics in 2021. For both, her mini thesis was in the field of graph theory.

Currently a lecturer in the UFS Department of Mathematics and Applied Mathematics, she is looking forward to starting with her PhD later this year. Elize, who already knew in primary school that she wanted to be a teacher, is hoping to one day be a full-time lecturer at the UFS. “My passion is to work with young people. I hope to make a difference in their lives by teaching, sharing my knowledge, and helping them in such a way that they experience the love of Jesus Christ,” she says. 

She continues: “I cherish the instances when my lecturers gave me advice, encouraged me, and recognised my hard work. I want to share and continue that positive experience with other people and students by teaching them to work hard and be responsible, while treating them with kindness, patience, and love.”

Her favourite part of studying was the moment when she did homework and assignment problems and everything just started to fall into place. “For me, Maths problems are almost like a little game or puzzle. I also enjoyed receiving my marks after each assignment, test, or exam, knowing that this was the result of all my hard work,” says Elize, who also enjoys campus life, especially after the lockdown, “walking on campus – feeling safe, at home, and the sense of knowing this is where I belong”.

News Archive

Inaugural lecture: World on verge of agricultural revolution
2008-05-19

A changing economic climate and new technology will see to a number of interesting changes in the livestock industry in the next few years. This is according to Prof. Frikkie Neser of the Department of Animal and Wildlife and Grassland Sciences, who delivered his inaugural lecture at the UFS on the subject: “The quest for a superior animal”.

Prof. Neser focused on the future of animal breeding in the next few decades.

He said the world, but especially South Africa, stand on the verge of a revolution in the agriculture sector. The whole production scenario will probably change. The high fuel and food prices are the two biggest factors that will play a role.

“Increasing fuel prices opened the door for the production of bio-fuel. The fuel industry is in direct competition with humans and the livestock industry for the same resource that result in unbelievable high prices for maize, sunflower and soya. These prices can further increase with the worldwide shortage of food,” he said.

More profitable breeds could take the place of existing breeds because of the big increase in input costs, he said. “Selection for more effective, and not maximum production, will became more important.

“There are also indications of pressure on feed lots. If this industry downsizes, it could lead to a total turnaround in the beef industry. The feed lots prefer a later maturing animal that can put on a lot of weight before fat is laid down. If this industry declines, early maturing breeds and some of the synthetic breeds, as well as crossbreeding with early maturing breeds, will play a more prominent role in the meat industry.

“This will also lead to a decline in the total number of animals in order to prevent overgrazing. This can result in an increase in imports from neighbouring countries and especially Brazil, where production costs are much lower.

“One way to increase the profitability of meat production is to utilise niche markets. There is world-wide a shift to more natural products. The demand for grass-fed beef drastically increased. According to research it is healthier than meat from feed lots and usually free of hormones and antibiotics. If factors such as traceability are put in place, this could be a very profitable niche mark for the South African meat industry,” he said.

Prof. Neser also said: “In order for breeding societies to survive they need to increase the number of members and the animals that are being registered. This they do by replacing the word stud with recorded animals. Hereby they open the door for excellent commercial animals to become part of the seed-stock industry. Another benefit is that especially in the smaller breeds more information becomes available, resulting in more accurate breeding values.”

Prof. Frikkie Neser.

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