Cairns travelled with two other Beef + Lamb New Zealand Future Leaders, Carl Carmichael, stock manager of a 1700ha Landcorp breeding and finishing farm in King Country and Charles Taituha, shareholder and Trustee of the 80,000-stock unit, 8000ha Tiroa E and Te Hape B Trust farms near Te Kuiti.
They joined other future leaders from Australia, Canada and the United States, as well as delegates from Brazil, Mexico and Paraguay, in Mato Grosso state, Brazil's main beef producing region.
In beef terms, the IBA is a super power, representing almost half of the globe's beef cattle production and almost two thirds of global beef exporting nations.
"The trip was truly an eye-opener," Cairns said.
"We were rubbing shoulders not only with our international peers but with industry leaders and decision-makers, people who dealt with the Trumps of the world on a regular basis."
Cairns said the IBA was very aware of the looming challenges, including shifting consumer demand, the global impact of the African swine fever outbreak in Asia , the advent of alternative proteins and how those factors are likely to affect the global market.
She said the group also learned a lot from ranch visits.
"A number of producers use what they call semi-feed lots. Stock have ad lib access to pasture and are topped up with about 2kg of mixed rations a day. These semi-feed lots are crucial to these producers due to the extremes in climate they face.
"Compared to New Zealand farming practices there was certainly some inefficiency and waste, which to some extent reflects the sheer scale of farms there," she said.
"One ranch we visited had 8000 breeding cows and was trying to increase numbers to 14,000, whilst selling 1500 stud bulls a year.
"With 200 million head of cattle in Brazil, it's impossible for New Zealand to compete.
"So it really reinforces the need to continue to find alternative, better ways of production and marketing, making sure we continue to tap into the top end of the international market with high quality, reliably and ethically sourced product."
The beef summit coincided with the launch of B+LNZ's new Taste Pure Nature campaign, being piloted in the select markets of the United States, Germany, China, India, Indonesia and New Zealand following two years of internal research and marketplace testing.
Working with export and marketing companies First Light, Atkins Ranch and The Lamb Company, the campaign has hit the ground running in its California pilot, with a vitual blitz of media and digital advertising bringing the story of New Zealand's naturally raised, grass-fed beef and lamb to the attention of tens of thousands of North American consumers.
"We're taking a long-term view of building the profile of Taste Pure Nature brand and understanding of New Zealand's farming systems in California and the US, to hit the ground running highlights just how receptive our target market is for New Zealand beef and lamb," B+LNZ general manager market development Nick Beeby said.
And Cairns' plans?
"I'd like to continue to work with B+LNZ to spread the positive story New Zealand farmers have to share. A large amount of our population aren't lucky enough to come from a rural background and I want to educate those people about how amazing our industry truly is and the opportunities within."
Cairns grew up on a 2000ha sheep and beef farm in the Catlins and her preference is to stay and farm in Southland.
"My family is important to me. I guess, once a Southland girl, always a Southland girl."
- Southern Rural Life