Dr. Michael Van Amburgh: Amino Acid Needs in Dairy Cows | Ep. 126

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Michael Van Amburgh from Cornell University explains how modern dairy cows respond to balanced essential amino acids and why energy-based models reshape requirement predictions. He explains new insights from the CNCPS model, unexpected links between amino acids and milk fat synthesis, and what future high-component cows may be capable of producing. Listen now on all major platforms."Energy supply provides a clearer foundation for determining essential amino acid requirements in modern dairy cattle, especially as production levels continue to shift."Meet the guest: Dr. Mike Van Amburgh is a Professor of Animal Science at Cornell University, where he has been a faculty member for 30 years. He holds a Ph.D. in Animal Science from Cornell and a BS in Dairy Science from The Ohio State University. He is well known for his work on the Cornell Net Carbohydrate and Protein System and his leadership in the Cornell Dairy Fellows program.Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:58) Introduction(02:44) Guest background(03:33) Amino acid needs(06:46) Milk fat role(10:27) Production potential(13:17) Herd performance(14:58) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Barentz* Fortiva* Adisseo* Kemin* Vetagro- DietForge- 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

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Sonia Rodríguez, Ruminant Technical Innovation Manager at Vetagro, explains how rumen protected organic acids and botanicals support intestinal health in lactating cows. She discusses micro encapsulation technology, heat stress mitigation, inflammation control, and performance outcomes. Learn how improving gut integrity can enhance milk production and farm profitability. Listen now on all major platforms!“Rumen protected combinations of organic acids and pure botanicals can synergistically reduce undesired bacterial load while supporting intestinal barrier integrity under normal and stressful conditions.”Meet the guest: Dr. Sonia Rodríguez received her DVM from the University of Santiago de Compostela in Spain, her Master’s in Dairy Science from South Dakota State University, and her PhD in Animal Science from Iowa State University under Dr. Lance Baumgard. Her research focuses on immune activation, heat stress, metabolism, and gastrointestinal health in ruminants. She currently serves as Ruminant Technical Innovation Manager at Vetagro.Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:48) Introduction(03:27) Rumen protected organics(04:42) Micro encapsulation process(06:11) Heat stress effects(06:55) Research results(08:03) Economic benefits(08:57) Final QuestionsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Vetagro* Barentz* Fortiva* Adisseo* Kemin- Virtus Nutrition- DietForge𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

In this episode of The Dairy Nutrition Blackbelt Podcast, celebrating International Women’s Day, Dr. Megan Abeyta from GPS Dairy Consulting breaks down the physiological and metabolic costs of stress, inflammation, and leaky gut in dairy cattle. She explains how heat stress, acidosis, and management practices influence immune activation and productivity losses. Learn how to use practical indicators like rumination data to identify and reduce risk on-farm. Listen now on all major platforms!"Leaky gut occurs when the gut lining is compromised, allowing harmful substances like endotoxins into the bloodstream."Meet the guest: Dr. Megan Abeyta earned her bachelor’s and Ph.D. in Animal Sciences from Iowa State University, focusing her doctoral research on the impact of stress, hindgut acidosis, and leaky gut on dairy cow health and productivity. Now an Independent Dairy Nutrition and Management Consultant with GPS Dairy Consulting, she brings a science-based, practical approach to farm management.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(02:32) Leaky gut causes(03:47) Inflammation and energy(06:01) Biomarker indicators(08:38) Identifying farm stressors(10:04) Diet-energy balance(12:10) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Vetagro* Barentz* Fortiva* Adisseo* Kemin- DietForge- 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

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Mike VandeHaar from Michigan State University discusses his recent studies on short-stature corn hybrids and their impact on dairy cow performance. He breaks down how these hybrids perform in yield, fiber digestibility, and milk production, and what that could mean for on-farm feed efficiency. Listen now on all major platforms!"The short corn varieties showed better fiber digestibility than the tall hybrid we tested."Meet the guest: Dr. Mike VandeHaar is a Professor of Animal Science at Michigan State University, where he’s been teaching and conducting research in dairy cattle nutrition and feed efficiency since 1988. He earned his Ph.D. in Animal Science from Iowa State University. His work focuses on improving dairy production efficiency through nutrition and genetics. Click here to learn more!Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:42) Introduction(02:47) Short corn variety research(04:51) Fiber digestibility results(07:10) Energy-corrected milk yield(08:56) Hybrid yield comparisons(11:07) Practical recommendations(12:20) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Fortiva* Kemin* Adisseo* Barentz* Vetagro- DietForge- 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

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Marcos Marcondes from the William H. Miner Agricultural Research Institute discusses key insights into calf and heifer nutrition. He shares findings on feed intake modeling, pre- and post-weaning transitions, and how feeding strategies influence mammary gland development and long-term milk yield. Listen now on all major platforms!"Pushing heifers to calve too early reduces milk production, even when body weight is adequate; mammary development needs time."Meet the guest: Dr. Marcos Marcondes is a Dairy Research Scientist at the William H. Miner Agricultural Research Institute. He earned his M.S. and Ph.D. in Animal Science from the Federal University of Viçosa in Brazil and completed postdoctoral research at the University of Florida. His work focuses on feed evaluation, nutrient requirements, and methane mitigation in dairy cattle. Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:33) Introduction(03:09) Model accuracy(05:26) Starter intake bias(07:28) Feeding strategies(10:48) Mammary gland growth(12:33) Weaning transition(16:09) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Vetagro* Fortiva* Kemin* Adisseo* Barentz- Virtus Nutrition- DietForge𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Dwain Bunting, Technical Service Dairy Nutritionist at Barentz Animal Nutrition, explains how DCAD products can influence palatability and short-term feed intake in dairy cows. He shares insights from controlled research evaluating cow behavior, intake patterns, and product formulation strategies. Dr. Bunting highlights practical implications for formulation decisions and field expectations. Get a technical perspective that supports better nutritional outcomes. Listen now on all major platforms!“DCAD products allow chlorides to be incorporated into a feed matrix in a way that supports palatability and consistent intake.”Meet the guest: Dr. Dwain Bunting is a ruminant nutritionist with more than 27 years of industry and academic experience across dairy and beef systems. He holds a PhD in Nutrition and Biochemistry and has served in research, teaching, and global technical support roles. Currently a Technical Consultant at Barentz Animal Nutrition, his work focuses on applied dairy nutrition and formulation strategies. 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(02:19) DCAD background(04:43) Study design(05:45) Feeding strategy(07:13) Intake measurement(07:53) Palatability outcomes(09:24) Final QuestionsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Barentz* Vetagro* Fortiva* Kemin* Adisseo- Virtus Nutrition- DietForge𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

In this special rerun 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. Don't miss the chance to revisit this discussion on optimizing dairy cattle health, productivity, and lifetime performance. 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 learn more!Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:57) Introduction(02:19) Dr. Hernandez's background(03:05) Preventing hypocalcemia(06:22) Transient hypocalcemia(09:27) Dietary strategies for prevention(10:25) Calcium binders and phosphorus(12:45) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Adisseo* Barentz* Vetagro* Kemin* Fortiva- DietForge- 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

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Melissa Cantor from Penn State University unpacks new research on beef-on-dairy calves and their long-term performance. She explains the surprising impacts of early-life respiratory disease, what it means for marbling and carcass traits, and how management practices can reduce risks. Learn how dairy calf health decisions carry lasting value for beef outcomes. Listen now on all major platforms!"Very early lung consolidation, often invisible to farmers, was linked to reduced growth for weeks after diagnosis."Meet the guest: Dr. Melissa Cantor is an Assistant Professor of Precision Dairy Science at Penn State University, where her work focuses on calf nutrition, health, and precision management practices. With over 30 scientific publications, she leads extension efforts such as the Penn State Dairy Nutrition Workshop and supervises graduate research on calf health and dairy-beef systems. Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:34) Introduction(03:14) Early lung disease(06:59) Carcass performance(09:24) Energy efficiency(10:29) Liver abscesses(13:52) Final remarks(15:19) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Barentz* Kemin* Adisseo* Fortiva* Vetagro- Virtus Nutrition- DietForge𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Melissa Cantor from Penn State University breaks down the science and management of pair housing for dairy calves. She explains the benefits and challenges of early pairing, behavioral concerns, and the latest findings from her team’s recent study. Explore strategies to support calf health and optimize early-life performance. Listen now on all major platforms!"Pairing calves before 14 days of age supports social facilitation, improving starter intake and adaptation to new diets and environments."Meet the guest: Dr. Melissa Cantor is an Assistant Professor of Precision Dairy Science at Penn State University. She earned her B.Sc. and Ph.D. in Animal Science from the University of Kentucky, and an M.Sc. in Dairy Science from UW–Madison. She also completed a postdoctoral fellowship at the University of Guelph. Her work focuses on dairy calf nutrition, behavior, and smart management systems. Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:22) Introduction(03:23) Pair housing benefits(05:06) Abnormal behavior(07:42) Cross-sucking behavior(11:19) Research insights(13:33) Study design(19:14) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Fortiva* Vetagro* Barentz* Kemin* Adisseo- DietForge- 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

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Massimo Bionaz explores the potential of hemp byproducts in dairy cattle nutrition. He shares insights on the nutritional potential of hemp-derived byproducts, challenges related to compound residues in animal feed, how regulatory frameworks influence feed innovation, and the future of feed trials. Discover what current research reveals and what still needs to be addressed before hemp can enter ruminant diets legally. Listen now on all major platforms!"Spent hemp biomass has a nutrient profile comparable to alfalfa, making it a potentially valuable feed ingredient."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 article!Liked this one? Don’t stop now — Here’s what we think you’ll love!What will you learn: (00:00) Highlight(01:22) Introduction(02:02) Legal status explained(04:22) Nutritional profile insights(05:05) Residual compound concerns(06:50) Research insights(10:49) Residue data(14:20) Closing thoughtsThe Dairy Nutrition Blackbelt Podcast is trusted and supported by the innovative companies:* Kemin* Adisseo* Fortiva* Barentz- Virtus Nutrition- DietForge𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.Website: The Dairy Nutrition Blackbelt PodcastInstagram: The Dairy Nutrition Blackbelt PodcastLinkedIn: The Dairy Nutrition Blackbelt Podcast