• Empty Rate reduced from 11% to 7.5%

  • Increased number of cows calving in first 3 weeks from 42% to 65%

  • Increase of 1000 extra lactation days

  • Increased return of $40 000

Mineral Correction for Reproduction

Investigation revealed trace element supplementation programme was sufficient. However magnesium supplementation programme led to peaks and troughs in animal magnesium status.


  • Persistently high Empty Rate ranging from 11% to 18%

  • 42% of cows calving in the first 3 weeks

“My empty rate dropped from 11% to 7.5% last season against a district average at 12%-13%. Although sceptical at first the recommendations are realistic, well-reasoned and very profitable.”

- Lindsay Taunt, Taranaki