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03 May 2021 | Story Leonie Bolleurs | Photo Sonia Small
Prof Robert Bragg recently participated in a live panel discussion with leaders from the food and beverage sector, debating the challenges facing the industry and sharing their lessons and solutions.

Prof Robert Bragg from the Department of Microbiology and Biochemistry at the University of the Free State formed part of a live panel discussion with leaders from the food and beverage sector, debating the challenges facing the industry and sharing their lessons and solutions.

The discussion, part of a week-long virtual event (19-23 April), was attended by more than 1 300 attendees representing 500 food manufacturers, retailers, ingredient companies, and laboratories from 83 countries.

The magazine, New Food, coordinated the initiative that focused on food integrity. Speaking with Prof Bragg at the session that centred around animal welfare, zoonotic disease, and antibiotics, were Catherine McLaughlin, Chair, Responsible Use of Medicines in Agriculture (RUMA); Vicky Bond, UK Managing Director, The Humane League; and Daniela Battaglia, Livestock Development Officer, Food and Agriculture Organization of the United Nations (FAO).

The rise of antibiotic resistance

James Russell, President of the British Veterinary Association (BVA), was the moderator of the discussion that also touched on the issues surrounding animal welfare; how animal welfare can impact meat quality; avoiding future zoonotic disease; the rise of antibiotic resistance; ethical considerations to be mindful of; and the use of pesticides and safety considerations.

Prof Bragg specifically talked about antibiotic resistance. “Mankind has major problems with antibiotics,” he said. 

He asked if animal agriculture can be sustained without the use of antibiotics and stated that it was necessary to look at alternatives. Possible solutions he suggested include improved vaccines, bacteriophages, and phage enzymes. He, however, believes that biosecurity will be the most effective alternative. 

Living in a post-antibiotic area

Disinfectants are one of the biosecurity measures taken to minimise the risk of infectious diseases. “But it is important to be aware of the fact that as resistance to antibiotics increases the resistance to disinfectants also increases,” said Prof Bragg. 

He continued: “An increase in the use of disinfectants increases the resistance to disinfectants. This is also evident in humans, especially now during the COVID-19 pandemic. Much of these disinfectants are also of poor quality,” he said. 

According to Prof Bragg, we are living in a post-antibiotic era. “Although food standards are higher in developed countries such as in Europe – where people can pay more for poultry that were fed diets with reduced antibiotics, it is important to keep in mind that people cannot pay the same for poultry in developing countries. These countries often import poultry from countries where the food standards are not that high and where birds were treated to diets containing more antibiotics. A large supplier of poultry in Africa is small-scale farmers, who also feed their birds food containing higher levels of antibiotics.” 

“We need to look at the antibiotic problem as a global problem; a concern that will be with us for a while,” said Prof Bragg.

One solution provided by the group was for mankind to reduce its meat intake and moving to a more plant-based diet. This will have a significant effect on animal welfare as well as reducing the demand for antibiotics.

News Archive

Nobel Laureate for Chemistry to visit UFS
2017-10-28

Description: Prof Levitt read more Tags: Prof Levitt read more

Prof Michael Levitt will be hosted by the UFS from
14 to 16 November 2017, where he will present the
first lecture in the Vice-Chancellor’s
Prestige Lecture Series.
Photo: Supplied

It is a great honour for the University of the Free State (UFS) to host Prof Michael Levitt, recipient of the 2013 Nobel Prize for Chemistry, which he shares with Marti Karplus and Arieh Warshel.

The trio received the Nobel Prize for their development of multiscale models used for complex chemical systems. “Being awarded the Nobel Prize is a unique and marvellous experience that no one can prepare for or could in any way know what to except,” said Prof Levitt during his 2013 Nobel Lecture at the Stanford University School of Medicine.

First lecture in Vice-Chancellor’s lecture series

The South African-born Nobel Laureate and Academy of Science of South Africa (ASSAf) Visiting Scholar will present the first lecture, Birth and Future of Multiscale Modelling of Macromolecules, in the Vice-Chancellors Prestige Lecture Series at the UFS on 14 November 2017. Prof Levitt is well-known for developing approaches which predict macromolecular structures.

He is one of many distinguished academics invited annually by ASSAf to deliver lectures as part of the Distinguished Visiting Scholars’ Programme, presented by ASSAf at universities across the country.

Pioneer in research of molecular dynamics

Prof Levitt is a biophysicist and a professor of Biology at Stanford University. He was one of the earliest researchers to conduct research on molecular dynamics stimulations of DNA and proteins. “My post-prize ambitions are twofold and probably inconsistent: (1) Work single-mindedly as I did in the mid-1970s on hard problems, and (2) Help today’s young scientists gain the recognition and independence which my generation enjoyed,” said Prof Levitt.

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