Sire Directory

The Best Sort of Semen

The SexedULTRA semen sorting process produces high fertility, high gender purity sexed semen for use in livestock reproductive services.

  • Conception rates rivaling conventional semen
  • Consistently 90 percent purity for desired gender
  • The genetics you want in the gender you need

Females calving heifers in their first two pregnancies produce up to 981 lbs. more milk over the two lactations than females calving back-to-back males.

(Hinde K, et al, (2014), Holsteins Favor Heifers, Not Bulls: Biased Milk Production Programmed during Pregnancy as a Function of Fetal Sex. PLoS ONE 9(2): e86169. doi:10.1371/journal.pone.0086169)

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