A New Zealand tech company is planning a large-scale expansion after raising more than $370 million in funding. 

Auckland-based Halter develops "smart collars" for beef and dairy cattle – creating virtual fencing and paddock boundaries without physical infrastructure. 

It's set to expand to the UK, Ireland, and South America later this year. 

CEO Craig Piggott told Mike Hosking there's currently a lot of capital out there for grabs. 

He says the markets in a really good spot if you have a good product, general ambition, and a healthy business. 

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