
Dr. Jessica Halfen: Phytochemicals & Cow Health | Ep. 116
2026/1/08 | 12 mins.
In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Jessica Halfen from Mississippi State University discusses how polyphenols and phytochemicals can improve dairy cow health during transition and heat stress periods. She shares her in vitro findings, explains the potential of using local byproducts as feed additives, and highlights the future of nutraceuticals in dairy nutrition. Listen now on all major platforms!"These polyphenols can interact with the immune system, modulating response or decreasing pro-inflammatory response."Meet the guest: Dr. Jessica Halfen is an Assistant Extension Research Professor of Dairy Science at Mississippi State University. She earned her B.S., M.S., and Ph.D. in Animal Science from the Federal University of Pelotas in Brazil. Her research focuses on transition cow nutrition and health, with deep expertise in phytochemicals and immune function.Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:51) Introduction(03:41) Role of polyphenols(05:08) Antioxidant mechanisms(06:16) Byproduct feed potential(07:58) Transition period health(11:41) Nutraceuticals in dairy(12:56) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Adisseo* Fortiva* Barentz- DietForge- Kemin- Virtus Nutrition𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

Dr. Alice Brandao: Insulin Resistance in Dairy Cows | Ep. 115
2026/1/01 | 17 mins.
In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Alice Brandao from Texas A&M University explores how insulin resistance, feed additives, and energy sources influence dairy cattle health. She shares insights from her work in Brazil, where challenging conditions call for adaptive nutritional strategies. Learn what impacts immune modulation and metabolic responses in transition cows. Listen now on all major platforms!"Feed additives are great tools, but they are not silver bullets or magic wands."Meet the guest: Dr. Alice Brandao is an Instructional Assistant Professor at Texas A&M University's Department of Animal Science. With a background in veterinary medicine from Brazil, she pursued her M.S. in Dairy Science and Ph.D. in Animal Sciences.Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:07) Introduction(06:44) Insulin resistance factors(08:49) Chromium supplementation effects(09:42) Non-starch energy sources(11:22) Immune modulation strategies(13:49) Feed additive challenges(16:42) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Adisseo* Fortiva* Priority IAC- Kemin- Virtus Nutrition𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

Dr. Mary Beth Hall: Water-Soluble Carbohydrates in Diets | Ep. 114
2025/12/25 | 13 mins.
In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Mary Beth Hall from The Cows Are Always Right LLC, shares expert insights on water-soluble carbohydrates in dairy cow diets. She explains how these nutrients differ from starch, their unique fermentation pathways, and the role they play in promoting rumen health and milk production. Listen now on all major platforms!"The water-soluble carbohydrates, when a cow consumes them and they go into the rumen, they're taken up by both bacteria and protozoa."Meet the guest: Dr. Mary Beth Hall is a dairy cattle nutritionist consulting through The Cows Are Always Right LLC. She earned her BS and PhD from Cornell University and MS from Virginia Tech. A retired USDA-ARS research scientist, her work focuses on nonfiber carbohydrates, rumen fermentation, and practical feeding strategies.Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:26) Introduction(02:26) Water-soluble carbs(04:47) Microbial glycogen storage(06:52) Fermentation vs. starch(09:38) Carbohydrate sources(11:31) Diet formulation tips(13:17) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Adisseo* Fortiva* Priority IAC- Virtus Nutrition- Kemin𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

Dr. Javier Alba Mayagoitia: Microbiology Nutrition & Dairy Performance | Ep. 113
2025/12/18 | 14 mins.
In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Javier Alba Mayagoitia from Priority IAC explains how microbial-driven nutrition can stabilize rumen function and support healthier, more efficient dairy cows. He covers targeted strains, rumen fermentation challenges, and practical feeding principles producers can apply on-farm. Learn how microbiology connects with nutrition to strengthen performance. Listen now on all major platforms."Smartbacteria is a concept that includes strains with specific functions for digestion, disease prevention, and cow health."Meet the guest: Dr. Javier Alba Mayagoitia is a veterinary microbiology nutritionist and Director of Priority IAC México. With 32 years in dairy and beef cattle practice across mastitis, herd management, and nutrition, he now focuses on microbiology-based feeding strategies. Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:21) Introduction(05:01) Smartbacteria explained(06:21) Preventing acidosis(08:09) Nutrition principles(10:07) Feed management tips(11:26) Protein efficiency(14:15) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Priority IAC* Fortiva* Adisseo- Kemin- Virtus Nutrition𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

Dr. Jeffrey Firkins: Fiber in Dairy Diets - Part 1 | Ep. 112
2025/12/11 | 12 mins.
In this special rerun episode of The Dairy Nutrition Blackbelt Podcast, Dr. Jeff Firkins from The Ohio State University explores how nutrient interactions influence fiber degradation in dairy cows. He explains the balance between starch and fiber digestion, the role of rumen pH, and the impact of feed additives on maintaining optimal rumen health. Learn how to maximize fiber utilization and improve energy efficiency in dairy diets. Listen now on all major platforms!"Positive and negative associative effects determine whether nutrients enhance or inhibit fiber degradation, directly influencing rumen function and energy utilization."Meet the guest: Dr. Jeff Firkins is a Professor at The Ohio State University. After earning his Ph.D. and completing a postdoc at the University of Illinois, he joined OSU, advancing to Professor. His research focuses on rumen fermentation, nutrient efficiency, and microbial interactions affecting fiber utilization in dairy cattle. With over 160 journal articles and 200 invited presentations, Dr. Firkins continues to guide advancements in dairy nutrition. Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:19) Introduction(01:54) Guest background(02:44) Fiber degradation(04:49) Soluble carbohydrates(06:39) Starch in dairy diets(09:08) Feed additives(12:09) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Adisseo* Priority IAC* Fortiva- Virtus Nutrition- Kemin𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast



The Dairy Nutrition Blackbelt Podcast