Meet the Mentors

We’ve brought together some of Australia’s best vets and livestock nutrition experts to work with the challengers to get the most from the Multimin Performance Ready Challenge.

Our professional mentors will use their experience to mentor and judge the challengers right through to the final stage of the competition.

Our mentors will be assisting our challengers to get the best outcomes for their production system.

Find out more on each of our mentors below.

Dr Elizabeth Bramley – NSW
Dr Liz Bramley, owner of Cooinda Vet Hospital, Marulan (NSW) is a veterinarian with 20 years production animal experience. Since graduating from Murdoch University in 1997, she completed a PhD in ruminant nutrition (University of Sydney) in 2004 and has worked both in private mixed practice and as a lecturer of production animal health and management at Murdoch University. With a passion for teaching, Liz currently spends her time providing veterinary services to the local community including farm and nutrition consulting, teaching veterinary students and running vet and farmer short courses overseas.
Dr Amanda Dunn – NT
Dr Amanda Dunn is an associate Veterinarian at Katherine Veterinary Care Centre, Katherine NT. Since graduating from the University of Queensland in 2014, Amanda and has spent the last 3 years working in mixed practice in Katherine. Although the role is diverse Amanda has plenty of opportunity to travel to nearby and remote stations to assist local producers with cattle production, fertility and nutrition. Amanda also fulfils a small role with AQIS, inspecting cattle for export on a casual basis. She has a strong interest in the Northern Australian cattle industry with a passion to ensure the industry remains strong and producers are able to maintain cost-effective and successful operations.
Dr Colin Trengove – SA
Vet and Managing Director at Pro Ag Consulting Colin obtained his Masters degree at the Mackinnon Project, University of Melbourne and moved into livestock consultancy for the next 14 years based at Naracoorte and Adelaide. In 2000, Colin co-founded the APAL agricultural laboratory in Adelaide to provide an SA based soil, plant tissue and water testing service. Colin's work has encompassed on-farm research, farmer group facilitation and delivery, market assurance programs, biosecurity and whole farm nutrition focused on the soil/plant/animal interaction in livestock production, health and management. Colin joined the School of Animal and Veterinary Sciences, Roseworthy in January 2012 as a contract lecturer in small ruminant medicine and commenced full time PhD candidature in November 2014. The topic of his thesis is "the epidemiology and aetiology of rib fractures in lambs in south eastern Australia".
Dr Craig Dwyer – TAS
Former President of Australian Cattle Vets and Veterinarian, Dr Craig Dwyer graduated from Queensland University in 1998. After graduation he worked in dairy practice in Smithton Tasmania before continuing his career in England and Wales. Craig then returned to Smithton Veterinary Service where he became a partner in the practice. This practice is now part of the Apiam Animal Health group and Craig acts as Clinic Lead for the Tasmanian practices. Craig has completed the Sydney University post graduate course in ruminant nutrition and in 2007 passed his membership exams in ruminant animal nutrition. Craig’s veterinary interests include cattle reproduction, bull fertility, nutrition and production.
Dr Enoch Bergman – WA
Dr Enoch Bergman has been practicing veterinary medicine in Esperance for 14 years at Swans Veterinary Services. Esperance is renowned as one of the last agricultural areas within Australia to be opened up for farming as most of the region was significantly depleted in a wide range of minerals. Since moving to the area, Enoch has sampled thousands of local animals for hundreds of clients attempting to benchmark their animal's micro mineral status, to allow targeted supplementation. As would be expected, deficiencies of copper, cobalt, and/or selenium are exceptionally common within his practice area. Enoch is passionate about improving the profitability of his clients. Appropriate and timely micro mineral supplementation is a key production driver for his producers. He sees first-hand some of the benefits that Multimin is delivering and is keen to work as a mentor to further document the value Multimin can deliver to Australian beef, sheep, and dairy producers.
Dr Matthew Ball – QLD

Dr Matthew Ball is a Veterinarian, Technical Services Manager - Livestock at Virbac Animal Health and owner of Beacon Veterinary

Matthew Ball has 18 years experience helping cattle farmers in a range of clinical, advisory and research roles. His employment includes jobs in clinical practice, government and industry. He has undertaken post graduate qualifications in disease surveillance and education. Passionate about helping cattle farmers develop practical and profitable preventative health programs. He is based on the northern rivers of NSW.  
Dr Susan Swaney – VIC
Vet and Technical Services Manager- Livestock at Virbac Animal Health Dr Susan Swaney graduated in Agricultural Science and Veterinary Science from Melbourne University. She later went on to work in dairy practice in Timboon Victoria before starting her own mixed practice with a strong bias towards preventative medicine in Birregurra in south west Victoria. She farms prime lambs and beef cattle with her husband at Deans Marsh. Susan completed her masters of veterinary science in parasitology at the Mackinnon Project, University of Melbourne in 2003. She and her husband worked for three years in the Falkland Islands and following this she returned to Australia and joined Virbac as a technical services veterinarian for livestock in March 2011.  Within Virbac Susan has been instrumental in running a number of trials in sheep, beef and dairy cattle production looking at the benefits of using both our trace mineral products and parasiticides to their best advantage.

Challengers will be judged and benchmarked against three main criteria:


Challenger administers Multimin Injection as per their individual program.

What the judges will be looking for:

  • Producers who can follow their program plan
  • Producers who can work with mentors for best results
  • Producers who can capture and record results


On farm performance results throughout the use of Multimin Injections. Performance will be established based upon benchmarks and key performance indicators.

What the judges will be looking for:

  • Increased conception – preg test/scanning or through number of births
  • Improved calving/lambing distribution – number of animals born in a specific month
  • Decreased number of diseases/losses/veterinary treatments
  • Visual improvements
  • Any other performance parameters

Criterion Three: CONTENT SHARING

Level of engagement with challenge audience and stakeholders.

What the judges will be looking for:

  • Submitting quality material on time
  • Social sharing
  • High quality generated content
  • Enthusiasm throughout entire challenge

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