Meet the Expert Behind Your Feed: Interview with Senior Nutritionist Tina Grech

This month, we had the opportunity to catch up with our Senior Nutritionist Tina Grech, whose 20+ years of experience in monogastric livestock nutrition makes her an invaluable part of our team.

With a career spanning across the animal nutrition landscape, Tina is passionate about delivering practical, results-driven solutions to livestock producers to get the most out of their animals. Join us as we delve into Tina’s journey, her insights into pig and poultry nutrition, and the advice she has for producers looking to improve animal performance through smarter feeding strategies.

 

Can you tell me your background in Ag?

I have always enjoyed a rural lifestyle and loved animals from a young age, so it was no surprise to my family and friends that I enrolled in a Bachelor of Agricultural Science after completing high school. I particularly enjoyed subjects involving intensive livestock production, physiology & nutrition, and consequently focused my studies in these areas.  While I was studying, I also worked part-time on a Broiler Breeder farm for a large poultry integrator, which gave me a great insight into the practical aspects of livestock farming.

How did you get started in a career as a nutritionist?

After I graduated, I gained employment as a Technical Officer at the University of Adelaide’s Pig, Poultry and Feedmill facilities.  One of my roles was liaising with our consultant nutritionist Tony Edwards and he mentioned there was an opening for a graduate nutritionist position at a local premix manufacturer.  I was fortunate enough to secure this position and also learn from experienced Nutritionists like Tony and Sally Tritton.

What are some of your goals as a nutritionist do you have for 2025? 

I am very lucky to work with a great team of Nutritionists and fellow employees at Riverina, and we are always striving to provide an even better service to our customers.  This year, we are looking to do more rigorous testing of our raw materials and subsequently improve the accuracy of our data base.  We are also hoping to review some of our core product lines to make it simpler for customers to purchase the appropriate product to suit their animals requirements.

What are some of your principles with animal nutrition? 

I am naturally a very practical and results-orientated person, and this also reflects on my principles with animal nutrition.  I like to keep things reasonably simple, but still ensure that production targets are achieved in the most economical way.  While I see the benefits of using various additives and supplements, I need to be sure that they are practical and economical before I consider using them. 

Is there a particular species of animal you enjoy working with and why? 

My family always kept poultry when I was growing up, and I was drawn to birds from a young age. As such, I really enjoy working with chickens and other avian species, however I am also very fond of pigs and their wonderful personalities.  From a personal perspective, I enjoy recreational and competitive horse riding and own a sheep/cattle farm with my husband, so I like working with a variety of different animals. 

What have been some interesting developments in the nutrition industry? 

The move towards sourcing alternative feed ingredients and the development of using human food waste for livestock feeding is very interesting, as is the evolving insect meal industry.  In addition, early nutrition programming including in-ovo feeding (injecting nutrients or additives into developing embryos within the egg) to promote early growth and development of the digestive tract is also quite remarkable.

What future conferences have you got planned for 2025? 

I am hoping to attend either the Poultry Ideas Exchange workshop in October or the Australian Pig Science Association conference in November.

What has been a rewarding aspect of being a Nutritionists?

As a farm business owner myself, I really enjoy working with like-minded people and assisting customers to improve their productivity. 

What do you find challenging as a Nutritionist? 

Often when a production issue occurs on farm, nutrition is one of the first things that is looked at.  In my experience, I have found that much of the time these problems stem from multi-factorial sources relating to environment, health status, stocking densities and so on, some of which is out of anyone’s control.  Being a Nutritionist sometimes involves also being a detective, asking the right questions to help the producer come up with the root causes for production related problems.

Do you have any memorable moments working with Riverina Stockfeeds? 

I very much enjoy visiting our customers on-farm and getting to know them and their businesses better.  Interacting with farmers and receiving positive feedback about how we have helped them improve productivity is wonderful, as is seeing photos that our customers share with us of their lovely horses and pets on social media.  Being employed at Riverina gives me the opportunity to work with great people and also visit some wonderful parts of Australia that I wouldn’t otherwise have the chance to see. 

Are there any common nutrition principles that get overlooked when feeding livestock?

Water is the number one most important nutrient, but is sometimes the most forgotten about.  Animals need consistent access to clean, fresh water and it surprises me how often this is overlooked. 

Looking ahead, how do you see the field of animal nutrition evolving over the next 5-10 years?

I believe that there will be more work done in the areas of gut health and optimising gut microbiota through diet, as its effects on animal performance and well-being are starting to become more recognised.  The gut microbiota is not only important for growth and immunity, but also for brain development and behaviour (in animals and humans), so this is an evolving area of research. The application of digital technology, AI and Big Data will also play a pivotal role in livestock nutrition going forward, allowing us to better optimise feed management, improve our decision-making processes and enhance feed quality.

To keep up-to-date with our team and events, follow us on social media!

Return to all News articles  All News