How many bulls to do that? At the outset, rms/precision may look a fair cost, but it only has to get a few extra cows in calf or tighten the interval slightly to pay itself. I run beef sweeper bulls after dairy AI and if there's more than one cow bulling a day I would be confident he's a cow missed by giving another all his attention, so I keep AI'ing whilst running sweepers.Between cows and heifers I have about 220 calving per year, that works out very expensive