Dr. Daryl Nydam: Dairy Herd Dynamics | Ep. 33

In this episode of The Dairy Health Blackbelt Podcast, Dr. Daryl Nydam from Cornell University explains how real-world herd dynamics drive semen decisions and long-term replacement planning on today’s dairies. He walks through the economic trade-offs between sexed and beef semen, how these choices influence milk flow, and why keeping the right number of heifers is key for a sustainable herd. Get practical insights to fine-tune herd structure and performance. Listen now on all major platforms.

"Milk production remains the most important factor to consider when balancing replacement strategies and guiding efficient herd decisions."

Meet the guest: Dr. Daryl Nydam is a Professor of Dairy Health and Production at Cornell University, where his work centers on transition cow health, infectious diseases, and the population-level factors shaping dairy system performance. His research helps producers refine herd strategies that strengthen productivity, efficiency, and sustainability across the dairy industry. 

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What you will learn:

• (00:00) Highlight
• (00:59) Introduction
• (01:44) Semen selection choices
• (02:45) Replacement rate balance
• (03:55) Milk production impact
• (05:42) Long-term profitability
• (09:06) Sustainability strategies
• (10:02) Closing thoughts

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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