The Dairy Nutrition Blackbelt Podcast

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 nutritiona...

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 incre...

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 pra...

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...

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 p...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Duarte Diaz from the University of Arizona tackles the complex issue of mycotoxins in dairy feeds. He explores how mycotoxin contamination levels vary by region, season, and climate and how different feedstuffs, besides corn silage, are at high risk. Dr. Diaz also shared insights on testing frequency for mycotoxins and strategies for pr...

In this second part of The Dairy Nutrition Blackbelt Podcast episode with Dr. Claira Seely, from the University of New Hampshire, she discusses identifying metabolic disorders and diagnosing subclinical hypocalcemia in dairy cows. She also highlights effective prevention strategies, focusing on key nutritional approaches like negative DCAD rations and the use of calcium binders. Listen now on all...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Claira Seely, from the University of New Hampshire, sheds light on the evolving understanding of subclinical hypocalcemia in dairy cattle. Dr. Seely explains how the understanding of this condition has evolved over time, especially in diagnosing it at the right moment. Learn how the timing of calcium monitoring can impact milk productio...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Michael VandeHaar from Michigan State University shares insights on bridging nutrition and genetics to breed more efficient dairy cows. He also discusses the upcoming ADSA meeting, highlighting sessions on applied nutrition, feed efficiency, and milk fat optimization. Listen now on all major platforms! "Some cows eat less than expec...

In this episode of The Dairy Nutrition Blackbelt Podcast, Jacob Copelin, a ruminant nutritionist, discusses strategies to mitigate milk fat depression in dairy cattle. He breaks down how oils, fatty acids, and branched-chain amino acids (BCAAs) affect milk fat production and rumen health. Jacob also explores how the new CNCPS model and branched-chain volatile fatty acids relate to balancing BCAAs...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Marcos Marcondes from the William H. Miner Agricultural Research Institute breaks down the science behind milk replacer fat levels for calves and why fat content matters. He explains how milk replacers differ from raw milk in fat concentration, compares the effectiveness of lactose versus fat as energy sources, and highlights the key be...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Antonio Gallo, Full Professor at the Catholic University of the Sacred Heart in Italy, discusses mycotoxin contamination in dairy feed, its effects on cow health, and strategies for mitigation. Learn how to detect and manage mycotoxins to protect your herd and milk production. Tune in now on all major platforms! "Contamination can c...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Mutian Niu, Assistant Professor at ETH Zurich, explains exhalomics, an approach for assessing rumen fermentation by analyzing volatile organic compounds in cattle breath. He discusses how this technique can provide valuable insights into rumen function and help improve cattle health monitoring, with potential applications in managing me...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Andrew LaPierre, Dairy Technical Specialist at Zinpro Corporation, discusses the role of isoacids in improving dairy cattle nutrition. He explores how supplementing isoacids can boost fiber digestibility, enhance dry matter intake, and optimize energy balance, leading to improved lactation performance. Dr. LaPierre also highlights the p...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Sabine Mann from Cornell University discusses the importance of protein feeding during the transition period for dairy cows. She shares new insights on protein metabolism and how it affects postpartum milk production and overall cow health. Learn how diet strategies during this time can improve productivity and resilience in dairy herds...

As we celebrate Earth Day this month, we’re bringing a special rerun episode of The Dairy Nutrition Blackbelt Podcast. In this conversation with Dr. Robin White from Virginia Tech, she explores the complex intersection of dairy cattle production and climate change. Dr. White discusses the industry's contributions to greenhouse gas emissions, strategies to reduce environmental impact, and the i...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Elliot Neto from Kemin Industries, discusses the critical role of amino acids in dairy nutrition, emphasizing the importance of optimizing amino acid balancing and rumen-protected amino acids through advanced product technology. He explains how particle size, nutrient delivery, and bioavailability impact milk production, feed efficiency...

In this second part of our special Dairy Nutrition Blackbelt Podcast episode celebrating International Women’s Day, Dr. Jennifer Van Os from the University of Wisconsin-Madison discusses the impact of air speeds on dairy cow welfare. She shares groundbreaking research on how different air speeds influence cow behavior, milk production, and overall comfort, especially in heat-stress conditions. Lea...

In this special episode of The Dairy Nutrition Blackbelt Podcast, celebrating International Women’s Day, Dr. Jennifer Van Os from the University of Wisconsin-Madison discusses the critical role of heat abatement in dairy cattle welfare and production. She explains how thermal discomfort affects cows, emphasizing early physiological indicators like respiration rate. Learn about the best cooling str...

In this episode of The Dairy Nutrition Blackbelt Podcast, celebrating National Ag Day, Dr. William Brown, Assistant Professor at Kansas State University, explores the use of high-protein corn co-products in dairy calf starters. He discusses the challenges and potential benefits of incorporating these ingredients, including improved calf growth, digestibility, and cost efficiency. Tune in now on al...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Jeffrey Firkins from The Ohio State University continues his conversation, sharing innovative strategies for dairy cattle nutrition. He explores topics like the interaction between fatty acids and fiber, as well as the use of byproducts such as citrus pulp, offering practical insights for enhancing milk production and sustainability. Ca...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Jeffrey Firkins from The Ohio State University breaks down the science behind optimizing fiber digestibility, managing rumen pH, and balancing starch and fiber in dairy diets. He also explores the role of feed additives like yeast in enhancing rumen health. Tune in for practical, research-based strategies to boost herd performance—avail...

In this episode of The Dairy Nutrition Blackbelt Podcast, Tales Lelis from Evonik shares insights into using protected amino acids and managing heat stress—key factors in boosting dairy production. He discusses significant changes in dairy farming across Latin America and the growing role of technology in enhancing efficiency. Tune in to discover the latest dairy market trends and practical strate...

In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Maurice Eastridge, from The Ohio State University, explores strategies for optimizing dairy cow health during the postpartum period. He shares insights on balancing carbohydrates, protein, and minerals to prevent metabolic disorders like ketosis and hypocalcemia. Dr. Eastridge discusses how feed efficiency and other metrics can guide be...

In this special rerun episode of The Dairy Nutrition Blackbelt Podcast, we revisit our conversation with Dr. Jim Drackley, professor of Animal Sciences at the University of Illinois, who approaches the nuances of controlled energy diets versus higher energy diets, discussing their effects on liver inflammation, rumen health, and overall post-partum performance. Listen now on your favorite platform...