Megan M Rolf

137. Investigating the Relationship Between Service Sire Effects from Heifer Pregnancy Evaluations and Semen Quality Traits in Angus Bulls.

Abstract Heifer pregnancy (HP) outcomes are typically analyzed as binary response of the female. However, pregnancy success may also be influenced by the service sire through fertilization ability and early embryo viability. This contribution is usually modelled as a service sire...