In this episode of The Dairy Health Blackbelt Podcast, Dr. Anne-Marieke Smid shares insights on what outdoor access means for dairy cattle. She talks about how cows respond to different environments, what farmers think about letting cows outside, and how weather, infrastructure, and public opinion all play a role. Learn how these factors affect both animal welfare and milk production. Tune in now on all major platforms!

"Cows want to work as hard to go outside to pasture, even though they still have their TMR and all their water inside."

Meet the guest: Dr. Anne-Marieke Smid earned her Ph.D. in Animal Welfare from the University of British Columbia and holds an M.Sc. in Animal Production Systems from Wageningen University. She is a Postdoctoral Scholar at the University of Calgary, where her research focuses on dairy farmers' perspectives and the welfare impacts of outdoor access for dairy cattle.

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Dairy cow preference for different types of outdoor access

Dairy cow preference for access to an outdoor pack in summer and winter

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What you will learn:

• (00:00) Highlight
• (00:34) Introduction
• (01:26) Career pathways
• (02:50) Cattle's outdoor preference
• (03:66) Impact of environment
• (05:44) Barn vs pasture feeding
• (09:10) Public vs farmer views
• (13:00) Closing thoughts

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Health Blackbelt Podcast, Dr. Kirby Krogstad from The Ohio State University discusses the complexity of rumen health and its relationship to dairy cow performance and systemic inflammation. He outlines the current research on rumen tissue and immune cell behavior and shares practical strategies for evaluating gut health on-farm. Listen now on all major platforms!

"A healthy rumen is effectively and efficiently digesting feed, producing VFA and microbial protein while maintaining its protective barrier function."

Meet the guest: Dr. Kirby Krogstad is an Assistant Professor of Dairy Nutrition at The Ohio State University. He holds degrees from South Dakota State University, the University of Nebraska-Lincoln, and Michigan State University. His research explores dairy cattle nutrition, ruminant gut health, and systemic inflammation. Focused on improving dairy sustainability and efficiency, he brings practical and research-based insights to the field.

Click here to read the full research articles:

Associations of body condition score, body condition score change, and hyperketonemia with mastitis, reproduction, and milk production

Investigating ruminal resident immune cells in dairy cattle before and after a subacute ruminal acidosis challenge

On-farm supplementation of rumen-protected niacin: A randomized clinical trial

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What you will learn:

• (00:00) Highlight
• (00:36) Introduction
• (01:56) Defining rumen health
• (02:66) On-farm assessments
• (05:03) Health and nutrition link
• (06:63) Latest research topics
• (09:36) Final recommendations
• (10:12) Closing thoughts

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this special episode of The Dairy Health Blackbelt Podcast, celebrating National Cow Appreciation Day, Dr. Theresa Casey from Purdue University explores how circadian rhythms influence dairy cow physiology. She discusses how disrupted light cycles impact glucose production, reproduction, and metabolic efficiency in dairy cattle. The episode highlights low-cost, practical steps to enhance cow well-being and productivity by aligning dairy management with natural rhythms. Listen now on all major platforms!

"Disrupting circadian rhythms decreases glucose homeostasis, impacting dairy cows' ability to produce milk efficiently."

Meet the guest: Dr. Theresa Casey received her B.S. from the University of Connecticut and her M.S. and Ph.D. in Animal Science from the University of Vermont. She is a Research Associate Professor at Purdue University, where she studies mammary gland development, lactation physiology, and circadian rhythms in dairy cows.

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What you will learn:

• (00:00) Highlight
• (00:39) Introduction
• (02:33) Circadian rhythm basics
• (04:40) Light-dark disruptions
• (05:26) Chronic jetlag model
• (08:07) Glucose and lactation
• (09:59) Practical takeaways
• (13:06) Closing thoughts

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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