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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Marcos Marcondes, a professor of dairy cattle nutrition and management at Washington State University, discusses the productive lifespan of dairy cattle. Dr. Marcondes explores key factors impacting dairy cow longevity, such as reproductive health and advancements in nutrition and technology. Listen to the full episode on all major platforms.

"The productive lifespan is from the moment the cow calves the first time until her last lactation."

Meet the guest: Dr. Marcos Marcondes is a professor of dairy cattle nutrition at Washington State University. He completed his Bachelor's, Master's, and Doctorate in Animal Science at the Federal University of Viçosa. With a postdoctoral period at the University of Florida, Dr. Marcondes has extensive experience in dairy cattle management and nutrition. His research focuses on feed evaluation, nutrient requirements, and sustainability in dairy operations.

What will you learn:

• (00:00) Highlight
• (01:00) Introduction
• (01:48) Defining productive lifespan
• (02:47) Changes in productive lifespan over time
• (03:27) Importance of cow longevity for profitability
• (05:47) Role of new reproductive technologies
• (08:08) Effects of crossbreeding and sexed semen
• (09:28) Closing thoughts

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