Effects of pedigree and exotic genetic inheritance on semen production traits of dairy bulls

Conclusions It may be inferred that the “acceptable quality semen producing ability” decreased from grandsire through sire to male progeny and among the increasing exotic genetic levels of CB cattle, F1 bulls produced significantly higher “low grade ejaculates” that were unfit for cryopreservation.
Source: Asian Pacific Journal of Reproduction - Category: Reproduction Medicine Source Type: research