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fertility rankings are specifically for the GenChoice™ sexed semen product. The rankings are based on pregnancy check data enabling GENEX to make quick and accurate fertility estimates on bulls.

How to use PregCheck+ fertility rankings: PregCheck+ fertility rankings are set to a 100 base system, meaning a value of 100 is average. Every one point difference is then equivalent to a 1% difference in conception rate. For example, if bull A has a 107 PregCheck+ and bull B has a 100 PregCheck+, bull A is predicted to be 7% higher in conception rate than bull B.

Ask your GENEX representative for PregCheck+™ fertility rankings for Holstein and Jersey sires available in GenChoice™ sexed semen.


Rely on GENEX sires with
high PregCheck+ rankings
to consistently create pregnancies