The trial took place on a single 600 cow herd in Wiltshire. The herd is predominantly Holstein breeding with a 305 day production average of around 10,000 litres.

Two batches of 30 calves each, matched by breed, taken from 2 weeks to 11 weeks of age

The trial took place on a single 275 cow herd in Herefordshire. The herd is predominantly Holstein or Holstein-Friesian with a 305 day production average of 9,200 litres.

Sundown Products supported research work at Harper Adams University. This involved evaluations of the total replacement of barley and wheat with diets containing NIS in the performance of intensively finished bulls.