Season 1 · Episode 218
E218 April 2025 Global Holstein Evaluations: New Leaders Emerge as Genetic Progress Accelerates Worldwide
The Bullvine · The Bullvine
April 2, 202523m 3s
Audio is streamed directly from the publisher (content.rss.com) as published in their RSS feed. Play Podcasts does not host this file. Rights-holders can request removal through the copyright & takedown page.
Show 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 BOSTON’s +80-point leap: What commercial herds gain from his fertility focus.
- Sustainability meets protein: Why Swiss evaluations prioritize eco-efficiency.
- Global Takeaways for Breeders
- Balancing act: Production vs. longevity in high-merit sires like DARTH VADR ($1,270 NM$).
- Red flags: Managing inbreeding spikes amplified by genomic selection.
- https://www.thebullvine.com/genetic-evaluation-review/april-2025-global-holstein-evaluations-new-leaders-emerge-as-genetic-progress-accelerates-worldwide/