Jamie Mackay: The Country host on new technology allowing farmers to measure methane coming from livestock - Heather du Plessis-Allan Drive

Kiwi scientists have developed ground-breaking new technology that will allow farmers to measure methane emissions from cattle.

Crown institute AgResearch has developed a portable chamber to test individual cows- helping farmers to selectively breed cattle and reduce emissions over time.

The Country's Jamie Mackay says this technology is the latest scientific development that will cull emissions and keep farms running.

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