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The first results from DairyNZ's Partnership Farm Project have come to fruition.

The project was launched to understand how on-farm changes to reduce greenhouse gas emissions may impact a farm's profitability and productivity.

DairyNZ released the results for the Owl demonstration farm in Cambridge last month.

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Chief executive Dr Tim Mackle told The Country Early Edition's Rowena Duncum the project was an attempt to understand what kind of emissions and nitrogen leaching reductions were possible "across a range of systems on real dairy farms".

Twelve farms across New Zealand took part in the Partnership Farm Project, modelling 44 different farm systems.

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One of the key findings from the project was that "no one farm is the same," said Mackle.

"There is no one size fits all package every farmer can use - but at the same time farmers can learn from these case studies and compare against their own."

The Owl Farm results are the first of a series that will be launched over the coming weeks.

On Owl farm, one of the modelled farm management changes involved reducing feed use and lowering the stocking rate.

This is expected to result in a 21 per cent increase in profitability alongside a 14 per cent reduction in nitrogen leaching and 13 per cent reduction in greenhouse gas emissions.

The volume of data from the research showed the complexity of the challenge facing the dairy sector as each farm had different needs.

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"This is why DairyNZ is supportive of customised Farm Environment Plans which recognise the differences between each farm and factor in a holistic systems approach to recognise efforts across greenhouse gases, water quality, biodiversity, and financial sustainability," Mackle said in a statement.

As a result, Mackle hoped the Government would support adequate training of rural professionals to provide expert advice to farmers, as part of a low emissions transition plan.

Find out more about the Partnership Farm Project here.

Also in today's interview: Mackle talks about how DairyNZ plans to support Gumboot Friday.