You can get by with it, but you ought to consider other options. Who can be used on heifers but wasn't always failsafe, also remember both of your heifers trace back to him. The Shiver bull is working on heifers if you want an extra maternal kick. Ali will work, they aren't the stoutest in the world, but mostly easy coming out. An oldie but goodie is Payback even though he is PHAC he will sire great females and good saleable/showable steers.