The technology will be on display at an open day in the county today.
A new 'App' is helping romantic cows in Offaly.
Farmers are using hi-tech collars to check when cows are 'in the moo....d'.
It's one of a host of new hi-tech advances on show today at an 'open-day' at Tullamore Farm.
Adam Woods from the Irish Farmers' Journal has been explaining how it works: