Z-Class Genetics was established in 2021 and is home to a diverse group of Jerseys and Holsteins that boast high genetics and high style. Z-Class is owned by Mason Ziemba and ran alongside ZBW Genetics owned by Barb and Kevin Ziemba.Â
All heifers are housed and cared for at Z-Class/ZBW in Durhamville, NY. Cows and IVF work is performed at Retso Holsteins in Schodack Landing, NY.