The definition of Grass fed or Pasture fed as per Animal Status Declaration requirements, New Zealand, states that animals rose under normal New Zealand conditions with year round access to fresh green grass or conserved grass or rangeland pasture can be classified as “Grass fed”. In New Zealand, it is classified as grass fed when average 85% of the ration of dairy cows comprises of grass, grass silage and forage crops (mainly legumes and Brassicas) and the dairy cows mandatorily spending no less than 90% of their time (excluding milking time) on pasture.