Following the April 2025 Base Change, the industry saw some major swings in linear traits, making bull pages look quite a bit different. And with this new view comes a shift in mindset which we dive into in this STtalks with Kevin Ziemba and Tim Rauen. Together they share with us why these base changes occurred, how genetic progress has impacted the dairy industry, and the importance of focusing on linear traits. Tune in for the great insights and in-depth discussions as we explore an area important to all dairy breeders, linear traits.

00:00 Introduction and Overview
00:39 Understanding Linear Traits Post-Base Change
04:25 Genetic Progress and Population Changes
06:32 Breaking Down Changes in Linear Traits
07:11 Focus on Udder Composite Traits
14:06 Stature and Dairy Form Adjustments
18:54 Body Weight Composite Index Explained
26:36 Reliability of Linear Traits
33:45 Final Thoughts and Conclusion