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 Overview00:39 Understanding Linear Traits Post-Base Change04:25 Genetic Progress and Population Changes06:32 Breaking Down Changes in Linear Traits07:11 Focus on Udder Composite Traits14:06 Stature and Dairy Form Adjustments18:54 Body Weight Composite Index Explained26:36 Reliability of Linear Traits33:45 Final Thoughts and Conclusion

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