Episode notes
Key Discussion Points
- US Genetic Base Overhaul
- Why the largest recalibration since 2020 impacts herd benchmarks (even for elite herds).
- How to interpret relative rankings vs. absolute PTAs post-adjustment.
- Polled Genetics Breakthrough
- Case studies: Cardiff P (Germany) and Triton-PP (Canada) redefine "elite" with welfare-friendly traits.
- Why polled sires now compete on fat yield, fertility, and conformation.
- Germany’s Single-Step Revolution
- How merging pedigree, genomic, and phenotype data boosts health trait reliability by 14%.
- Practical impact: Fewer "genomic reruns" for functional traits.
- Swiss TPI Surprises
- Sous-Moron B ...
Keywords
Holstein genetic evaluations 2025global dairy bull rankingspolled dairy geneticsgenetic base change