In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Doug Waterman from Virtus Nutrition explains how management and nutritional strategies influence uterine involution and overall reproductive success in dairy cows. He discusses key factors like inflammation control, calving management, and omega-3 supplementation to improve cow health and future productivity. Listen now on all major platforms!

"Uterine involution typically occurs within 20 to 50 days, but various stressors can significantly extend this recovery period."

Meet the guest: Dr. Doug Waterman, Eastern Technical Sales Director at Virtus Nutrition, LLC, brings over 30 years of experience in the dairy industry, specializing in nutrition and supporting field nutritionists. His expertise spans reproductive health, inflammation control, and optimizing cow performance through targeted nutritional strategies.

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Renee Smith: Omega-3 Benefits in Dairy 

Dr. Daniel Rico: Vitamin D3 & Omega-3 Effects on Cattle Stress - Part 1

Dr. Daniel Rico: Omega-3 & Vitamin D3 for Cow Health - Part 2  

What will you learn: 

• (00:00) Highlight
• (01:39) Introduction
• (02:37) Uterine involution basics
• (04:19) Calving difficulties impact
• (05:09) Key management strategies
• (07:07) Inflammation and reproduction
• (08:47) Omega-3 research findings
• (11:02) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

Virtus Nutrition

* Kemin

* Afimilk

* Adisseo

* Priority IAC

- Zinpro

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this special rerun episode of The Dairy Nutrition Blackbelt Podcast, Dr. Kirby Krogstad, from The Ohio State University, examines the role of niacin in dairy cow health and performance. Highlighting niacin's impact on immune regulation, rumen functionality, and lactation outcomes, Dr. Krogstad unpacks recent research findings and their practical applications in dairy nutrition. Listen now on all major platforms!

"When we provided niacin to those cows, the acute phase proteins that would suggest a general systemic inflammation were blunted by about 30%."

Meet the guest: Dr. Kirby Krogstad is an Assistant Professor of Dairy Nutrition and Health at The Ohio State University, where his research and extension mission is to improve dairy cow health, welfare, and longevity through nutrition. With a Ph.D. in Animal Science from Michigan State University and a Master’s in Ruminant Nutrition from the University of Nebraska-Lincoln, Dr. Krogstad focuses on optimizing dairy nutrition to enhance sustainability and herd performance. 

Click here to read the full research article!

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What will you learn: 

• (00:00) Highlight
• (01:41) Introduction
• (02:55) Niacin's & metabolism
• (03:46) Rumen protection
• (04:47) Immune function
• (08:03) Lactation performance
• (09:09) Niacin supplementation
• (10:46) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Priority IAC

* Kemin

* Afimilk

* Adisseo

- Zinpro

- Virtus Nutrition

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Massimo Bionaz from Oregon State University explains the power of nutrigenomics in enhancing dairy cow performance. He details how bioactive compounds can regulate gene expression to reduce inflammation, improve transition periods, and support metabolic balance. Understand the science behind transcription factors and fatty acid interactions. Listen now on all major platforms!

"Nutrigenomics is trying to exploit bioactive compounds in the feed that interact with the genome."

Meet the guest: Dr. Massimo Bionaz earned his Ph.D. in Dairy Husbandry and Production from the Catholic University of the Sacred Heart in Italy, where he studied liver function and inflammation in dairy cows. He is currently an Associate Professor at Oregon State University, focusing on nutrigenomics, byproducts as feed, and dairy cow welfare.

Click here to read the full research articles:

Nutrigenomics in dairy cows: Nutrients, transcription factors, and techniques

Advances in fatty acids nutrition in dairy cows: from gut to cells and effects on performance

Functional Role of PPARs in Ruminants: Potential Targets for Fine-Tuning Metabolism during Growth and Lactation

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What will you learn: 

• (00:00) Highlight
• (01:29) Introduction
• (04:33) What is nutrigenomics
• (06:09) Transcription factors explained
• (08:21) Fatty acids and health
• (09:34) Inflammation during transition
• (11:51) Benefits for producers
• (14:02) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Adisseo

* Priority IAC

* Kemin

* Afimilk

- Zinpro

- Virtus Nutrition

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Roni Yair from Afimilk shares how advanced algorithms are transforming dairy cattle feed efficiency through behavioral data of individual cows. He explains the science behind predictive models, cross-farm research, and how dairies can use this data for strategic culling and breeding decisions. Listen now on all major platforms!

"The two major applications of our feed intake prediction system are culling and breeding—using feed efficiency and profitability to guide better decision-making on timing and selection."

Meet the guest: Dr. Roni Yair holds a Ph.D. in Animal Sciences from The Hebrew University of Jerusalem and completed postdoctoral research at Michigan State University, focusing on ruminant nutrition and hepatic metabolism. Now an animal scientist at Afimilk, he leads research in feed efficiency and dairy cattle behavior analytics.

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What will you learn: 

• (00:00) Highlight
• (01:27) Introduction
• (03:17) Predicting feed intake
• (05:07) Sensor behavior data
• (08:37) Cross-farm prediction
• (10:48) Culling and breeding
• (15:57) Next research directions
• (20:14) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

Afimilk

* Adisseo

* Kemin

* Priority IAC

- Virtus Nutrition

- Zinpro

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: The Dairy Nutrition Blackbelt Podcast

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Arthur Neto from the Federal University of Mato Grosso in Brazil explores the principles and benefits of crop-livestock integration systems. He explains how combining trees, forage, and livestock in rotational systems can improve soil health, enhance sustainability, and support carbon neutrality in livestock operations. Listen now on all major platforms!

"Integration helps both the environment and the farmer, improving soil fertility and animal welfare through shade and comfort."

Meet the guest: Dr. Arthur Neto is a professor at the Federal University of Mato Grosso in Brazil, with a Ph.D. in Tropical Agriculture and training in forage conservation at the Swedish University of Agricultural Sciences. His research focuses on integrated systems that combine crop, livestock, and forestry components to improve sustainability.

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What will you learn: 

• (00:00) Highlight
• (01:19) Introduction
• (03:03) Crop-livestock integration
• (04:54) Carbon and soil benefits
• (05:43) Certification and emissions
• (07:29) Grass species selection
• (09:16) Balancing economics
• (10:19) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Adisseo

* Priority IAC

* Kemin

* Afimilk

- Zinpro

- Virtus Nutrition

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Laura Hernandez from the University of Wisconsin-Madison explores key insights on managing hypocalcemia in dairy cattle. She discusses strategies to prevent both delayed and persistent hypocalcemia, as well as the concept of transient hypocalcemia, highlighting their impact on cow health and lactation performance. Learn about nutritional strategies to optimize calcium homeostasis during the transition period. Listen now on all major platforms!

"Delayed hypocalcemia is when you have a normal blood calcium concentration within the first two days postpartum, but then at four days postpartum, it becomes clinical or subclinical hypocalcemia."

Meet the guest: Dr. Laura Hernandez is a Professor of Lactation Biology at the University of Wisconsin-Madison, where she directs the Endocrine and Reproductive Physiology Graduate Program. With a Ph.D. in Nutritional Sciences from the University of Arizona, her research focuses on calcium homeostasis during lactation and preventing milk fever in dairy cattle.

Click here to read the full research article!

Liked this one? Don’t stop now — Here’s what we think you’ll love!

What will you learn: 

• (00:00) Highlight
• (01:47) Introduction
• (02:09) Dr. Hernandez's background
• (02:55) Preventing hypocalcemia
• (05:12) Transient hypocalcemia
• (08:17) Dietary strategies for prevention
• (09:15) Calcium binders and phosphorus
• (12:35) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Kemin

* Afimilk

* Adisseo

* Priority IAC

- Zinpro

- Virtus Nutrition

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Carla Bittar from the University of São Paulo in Brazil talks about feeding forage to dairy calves. She shares her groundbreaking research on including corn silage in young calf diets and what it means for intake, behavior, and performance in pre-weaning calves. Listen now on all major platforms!

"Feeding corn silage to calves increased total solid feed intake, especially around weaning, with no adverse effects on performance."

Meet the guest: Dr. Carla Bittar earned her M.S. at the University of Arizona and her Ph.D. in Animal Science at ESALQ/USP, where she now serves as an Associate Professor. Her research centers on nutrition and metabolism of dairy calves during the pre-weaning phase, focusing on forage inclusion and rumen development.

Click here to read the full research articles:

Whole-plant flint corn silage inclusion in total mixed rations for pre- and postweaning dairy calves

Forage sources in total mixed rations early in life influence performance, metabolites, and behavior of dairy calves

Forage sources in total mixed rations on rumen fermentation, gut fill, and development of the gastrointestinal tract of dairy calves

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What will you learn: 

• (00:00) Highlight
• (01:35) Introduction
• (04:28) Corn silage feeding
• (05:45) Fiber requirements
• (07:24) Rumen development
• (09:43) Intake insights
• (12:23) Choosing the right forage
• (13:28) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Adisseo

* Kemin

* Priority IAC

- Virtus Nutrition

- Zinpro

- Afimilk

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: The Dairy Nutrition Blackbelt Podcast

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In this special rerun episode of The Dairy Nutrition Blackbelt Podcast, celebrating National Cow Appreciation Day, we revisit our conversation with Dr. Michael Hutjens, Professor Emeritus at the University of Illinois, who provides an update on rumen buffers and key considerations for their optimal use in dairy diets. Dr. Hutjens explains the sources of buffers, their role in rumen health, and practical strategies for effective integration into dairy rations. Listen now on all major platforms!

"Buffers stabilize rumen health and optimize microbial growth."

Meet the guest: Dr. Michael Hutjens, Professor Emeritus of Animal Sciences at the University of Illinois, grew up on a Holstein dairy farm in Wisconsin and earned his bachelor's, master's, and Ph.D. from the University of Wisconsin-Madison. With decades of experience as an extension dairy specialist, Dr. Hutjens has delivered expert insights on dairy nutrition worldwide, speaks at numerous conferences, and writes for prominent dairy publications.

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What will you learn: 

• (00:00) Highlight
• (01:28) Introduction
• (02:35) Buffer usage in dairy diets
• (03:14) Rumen environment optimization
• (03:55) Key buffer sources
• (07:11) Calcium carbonate
• (08:16) Reasons to use buffers
• (11:14) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Priority IAC

* Adisseo

* Kemin

- Zinpro

- Afimilk

- Volac

- Virtus Nutrition

- Zinpro

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: The Dairy Nutrition Blackbelt Podcast

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Pedro Melendez from City University of Hong Kong discusses the genetic and nutritional factors behind abdominal adiposity and hypocalcemia in dairy cows. He shares research findings on metabolic health risks, prevention strategies, and the importance of monitoring nutritional management. Listen now on all major platforms!

"Abdominal adiposity significantly increases the risk of developing metabolic disorders such as mastitis, ketosis, and fatty liver."

Meet the guest: Dr. Pedro Melendez, DVM, MS, PhD, DABVP (Dairy), serves as Clinical Full Professor in Bovine Production Medicine at City University of Hong Kong. With a DVM from the University of Chile and an MS and PhD from the University of Florida, his work focuses on dairy production medicine, nutritional management, and metabolic diseases in dairy cattle.

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What will you learn: 

• (00:00) Highlight
• (01:26) Introduction
• (01:00) Guest background
• (02:16) Abdominal adiposity risks
• (05:27) Genetic factors role
• (07:00) Preventing hypocalcemia
• (09:26) Calcium bolus use
• (10:50) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

* Adisseo

* Kemin

* Priority IAC

- Zinpro

- Afimilk

- Volac

- Virtus Nutrition

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

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In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Chris Chase, Professor Emeritus at South Dakota State University, breaks down the critical link between gut health and immune function in dairy cattle. He covers how diet, water quality, and stress impact gut integrity and the pro-inflammatory response, plus practical strategies to support a healthy microbiome. Listen now on all major platforms!

"The gut microbiome and immune system are deeply connected. Maintaining this balance through diet and management is key to animal health."

Meet the guest: Dr. Chris Chase, Professor Emeritus at South Dakota State University, has dedicated his career to veterinary immunology and virology. He earned his DVM from Iowa State University and his MS and PhD from the University of Wisconsin-Madison. Dr. Chase co-founded RTI (Research, Technology Innovation LLC), now ClinVet-South Dakota, an animal health research organization. Dr. Chase is the Past-President of the American College of Veterinary Microbiology and the Conference of Research Workers in Animal Disease.

What will you learn: 

• (00:00) Highlight
• (01:46) Introduction
• (03:12) Gut health and immunity
• (05:51) Role of water quality
• (07:06) Stress and gut integrity
• (09:33) Additives for gut health
• (13:35) Key takeaways
• (16:16) Closing thoughts

The Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:

Volac

* Adisseo

- Virtus Nutrition

- Zinpro

- Afimilk

- Kemin

- Priority IAC

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.

Website: The Dairy Nutrition Blackbelt Podcast

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