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Semex’s Immunity+™ sired daughters have naturally higher colostrum quality. Both in scientific trials and commercial herds, they are shown to produce higher quality colostrum than herdmates. Only available through Semex, Immunity+ sires are quickly becoming the global dairyman’s choice in improving herd health.

"Dairymen everywhere know that a healthy herd starts with healthy calves," says Paul Krueger, Semex Immunity+ Global Brand Manager. "High quality colostrum is key to ensuring healthy calves. And, the best start we can give the calves is with Immunity+… The world’s only option for higher quality colostrum with genetics."

"Since December, our Immunity+ portfolio has only increased its quality, as the valuable Immunity+ brand is found laced throughout our proven and Genomax™ offering. Our Genomax Immunity+ lineup now has 19 sires over +2600 GTPI and 44 over +2500! They offer the best genetic package with Immunity+, making them extremely valuable to all dairymen worldwide.” 

In its elite Genomax™ lineup, Semex now has:

  • 84 Genomax Immunity+ bulls over +2400 GTPI
  • 44 Genomax Immunity+ bulls over +2500 GTPI
  • 19 Genomax Immunity+ bulls over +2600 GTPI
  • 24 Genomax Jersey Immunity+ bulls
  • 10 Genomax Ayrshire Immunity+ bulls

Leading the Holstein group is 0200HO10693 Siemers Bloomfield (Delta x Numero Uno x Shottle), who is the #4 Delta available at +2752 GTPI with +7.7 PL, +3.7 DPR, 2.63 SCS, +105 PTAF with a +0.34% Fat and solid 2.37 PTAT and +2.33 UDC. Bloomfield is also a HealthSmart™ and RobotReady™ sire. His maternal line is popular worldwide, with his dam being a VG-85 Numero Uno from EX-94-2E 21* Gen-I-Beq Shottle Bombi back to Braedale Gypsy Grand herself.  

For more information on Semex, Genetics for Life, Immunity+, Genomax sires or any of Semex’s brands visit: