Holstein USA has released the list of the top GTPI Holstein Bulls for the December 2015 proof run. Topping the list at +2719GTPI is Seagull-Bay Supersire-ET, followed by Seagull-Bay Headliner-ET at +2568GPTI and Mountfield SSI DCY Mogul-ET at +2540GTPI.
Top US GTPI Holstein Bulls