DairyTalk 367: Volatile genomic leaders, stable proven bulls: portfolio strategies gain relevance under new TPI - by Helmut Demmelhuber

DairyTalk by Helmut Demmelhuber · Apr 8, 2026 · 20m

This episode builds on an analysis of the April 2026 U.S. Holstein TPI update, shaped by a major shift in economic weighting toward protein yield. The so-called protein flip has triggered notable ranking changes, elevating Aurora Gs Woodford-ET to the top of the genomic list while reducing the appeal of fat-dominant sires. The leading genomic group is tightly clustered, increasing short-term volatility in the highest ranks. In contrast, daughter-proven bulls such as Sheepster provide comparatively stable reference points despite modest adjustments. The discussion frames these changes within a…