Make sure it is REAL calving ease. Heat Wave heifers are hard to calve from my experience. Don't worry about getting a great one but you can get something useful from some of the Ohlde bred bulls like Jetstream, Homer, (not Legend). Possibly some Duff bulls, but make sure they are low BW (1 or less) as most of his are not. We have the bull in my avatar collected and available from Bovine Elite in Texas. He's the best I've used. OCC Eureka X Full sister to OCC Freestyle. The clubbier hiefer, the better he works. Good Luck.