Millions are being spent creating new grasses but the benefits remain uncertain.

Redback spiders could thrive in some areas of NZ, posing a real threat to native wildlife, a scientist says.

Agricultural scientists say a genetically engineered clover could reduce methane emissions from livestock by 10 per cent.

A 100gm serving of NZ lamb consumed in Britain carries a carbon "cost" equivalent to nearly 2kg of carbon dioxide, new research shows.

NZ researchers appear to be gearing up for a new bid to win over consumers before the first applications for release of GE pasture species.

NZ researchers may have discovered a breathrough for reducing greenhouse gas emissions.

AgResearch plans to grow genetically modified grass created to cut the greenhouse gases produced by cows.

Federated Farmers says agitation about dirty dairying has led farmers to import foreign concepts such as feed sheds.