Managing heat detection with an expanding herd

William O’Brien, Co. Waterford Ireland  Herdsize - 181 Number of collars -181 Yield, 7,000 Litres   Requirements:  the main reason for looking at a Heat Detection system was my increase in numbers.  My heat detection rates were decent enough, but then I took the decision to increase my herd size to over 180 cows.  I [...]