Real Science Exchange-Dairy

The conversation begins with introductions from experts specializing in dairy genetics, reproductive management, transition cow health, and calf monitoring technologies, providing insight into how precision dairy tools are being applied across the dairy industry. 0:00-6:21

The panel then explores the evolution of computer vision and artificial intelligence, discussing how modern dairy technologies are moving beyond simple data collection to deliver actionable insights that help producers solve real-world challenges. They also examine technology adoption trends, workforce development, and the barriers farms continue to face, including connectivity and technical support. 9:32-24:08

A major focus of the discussion...

Stress is often associated with obvious challenges such as heat or transportation, but Dr. Baumgard explains that many stressors trigger similar biological responses. Understanding these shared pathways provides important insight into how stress influences animal health, nutrient utilization, immune function, and ultimately dairy cow performance. (00:00 – 05:16) 

The panel examines common stressors encountered in dairy systems, including heat stress, weaning, overcrowding, feed interruptions, dehorning, environmental noise, facility design challenges, and routine management disruptions. The speakers emphasize that stress is not always obvious. In addition, they note that multiple seemingly minor challenges can collectively impact health, welfare, and productivity. (05:17 – 08:29) 

A major...

The discussion begins with the origins of the research and the collaboration between Dr. Santos and Dr. Lima on large commercial dairies in California. They also share the challenges of conducting nutrition research under real-world dairy conditions. Additionally, they explain how these early studies became a cornerstone of transition cow nutrition research. Their experiences implementing treatments on commercial operations provided valuable insights. Ultimately, these insights would influence dairy management practices around the world. (00:00 – 05:22)

The conversation then shifts to the study objectives and hypotheses that guided the research. The researchers discuss how supplemental choline was expected to improve li...

Drawing on decades of research and practical field experience, the panel begins by examining large laboratory datasets that reveal substantial variation in trace mineral concentrations across forages and total mixed rations. These observations highlight the importance of understanding real-world variability rather than relying solely on average values when making nutritional decisions. (00:00–03:16)

The discussion quickly moves into one of dairy nutrition's most debated topics: the reliability of TMR testing. While many nutritionists use TMR analyses as a quality control measure, others remain skeptical due to the challenges associated with obtaining representative samples from inherently heterogeneous rations. The panel ag...

Dr. Mike Van Amburgh begins by outlining how amino acid nutrition has historically been viewed almost exclusively through the lens of milk protein. He explains that emerging research clearly shows amino acids play far broader roles in the cow, influencing milk fat synthesis, energy metabolism, and overall efficiency. As genetic potential has increased, amino acids are now supporting many biological pathways beyond simple milk protein yield. (05:50) 

Dr. Van Amburgh explains that dairy systems across Europe and North America are under increasing pressure to reduce nitrogen losses. By formulating more precise diets that better match amino acid requirements, c...

The episode begins with an introduction to the panel and research objectives. This sets the stage for a deeper discussion on how elevated liver copper levels may influence immune resilience in crossbred calves. The panel examines why the impact of excess concentrations of liver copper is significant for animal health. (00:00 – 02:55)

Dr. Hansen then provides an overview of the featured Journal of Animal Science study, emphasizing its interdisciplinary approach and the motivation behind evaluating copper status in emerging beef-on-dairy production systems. She also references how excess copper concentrations in the liver can alter expected outcomes. (02:55 – 05:47)

As the...

Why the Transition Period Is a Critical Window for Dairy Cow Health (02:10 – 10:36)

The discussion begins by examining the transition period as one of the most challenging phases in a dairy cow’s lifecycle. Research suggests that 30–50% of disease events occur within the first three weeks after calving, making this a key window for understanding and supporting immune function.

Dr. Rostoll-Cangiano shares insights into the biological changes that occur during this time, emphasizing the importance of immune adaptation as cows move from late gestation into early lactation.

Immune Cell Dynamics and Metabolic Stress in Transi...

The episode opens with a discussion on the growing importance of milk components in today's dairy economy (00:00 – 03:52). As demand for cheese, yogurt, high-protein dairy products, and dairy nutritional ingredients continues to increase, producers are finding greater value in maximizing milk fat and protein production. Rather than focusing solely on milk volume, they prioritize these components. The panel explains how evolving market dynamics have shifted management priorities. In addition, these changes have created new opportunities for dairies that can consistently deliver higher component yields.

The conversation then examines the remarkable evolution of milk component production over the past de...

The episode opens with introductions and an overview of the discussion, establishing the critical role trace minerals play in modern beef production (00:00 – 01:35). The conversation frames mineral nutrition not simply as a requirement for preventing deficiencies, but as a strategic management tool that can influence animal performance, health, reproductive success, and profitability throughout the production cycle.

Early in the discussion, Dr. Hansen introduces her "Olympic podium" framework for evaluating mineral nutrition programs (01:35 – 06:28). She describes bronze-level nutrition as meeting basic NRC requirements, silver-level nutrition as incorporating regional considerations and mineral antagonists, and gold-level nutrition as fully optimized supplementation tailored to t...

The episode opens with introductions to the panel and co-host Dr. Mariana Marenho, highlighting her background in ruminant nutrition and setting the stage for a discussion that bridges academic research with real-world application. (00:00 – 01:27) 

The conversation then introduces the featured Journal of Dairy Science review paper, focusing on the regulation of hepatic glucose production “carbon by carbon.” Dr. White shares how the paper originated from an invited symposium and the collaborative effort to connect detailed biochemical mechanisms with practical dairy nutrition strategies. (01:27 – 04:15) 

The discussion quickly centers on a foundational concept in ruminant biology: dairy cows must synthesize...

Lara Moody (iFeeder), Dr. Yuan-Tai Hung, and Leah Wilkinson (AFIA) join the Real Science Exchange podcast to explore the growing concern around vitamin and amino acid supply chain disruptions—and their potential impact on U.S. food security.

Recorded live at IPPE, this episode dives into how feed ingredient availability influences animal performance, producer profitability, and long-term resilience across the food system. The conversation opens with introductions and an overview of the iFeeder report, setting the stage for a data-driven discussion on supply chain stability and its importance to the animal feed and food industries (00:00–01:08).

The...

The episode opens with a welcome to the podcast and introductions to the panelists. It highlights their diverse expertise in mineral metabolism, applied nutrition, and industry insights. (00:00 – 02:38)

The discussion begins with a deep dive into the mechanisms of mineral absorption, focusing on epithelial barriers and transporters. The panel discusses how minerals like magnesium are absorbed across the rumen wall. Moreover, they explore how antagonists interfere with absorption and introduce the concept of measuring bioavailability under field conditions. (04:35 – 10:13)

From there, the conversation shifts to practical dairy nutrition strategies, including how to manage macro minerals and antagonists with...

The episode opens with introductions to the panel, including Kurt Cotanch, Gianni Raffrenato, Steve Martin, and Jacob Copeland, establishing a diverse mix of academic, applied, and field-based expertise in dairy nutrition and forage systems. (00:00 – 07:39) 

The conversation begins with a deep dive into forage quality, emphasizing the importance of harvest timing, speed, and efficiency. The panel discusses how mold and yeast contamination can compromise digestibility—both in the lab and in the rumen—and how improving harvest practices can significantly impact overall feed value. (07:39 – 12:35) 

From there, the discussion broadens to regional feeding strategies, comparing dairy systems across env...

The discussion opens with a welcome to the Real Science Exchange and an introduction to the expert panel, followed by foundational context around amino acid nutrition and its growing importance in dairy production systems. Early in the episode, the panel introduces the concept of feeding the “one-ton” component cow, highlighting the nutritional intensity required for high-output animals and comparing genomic potential with real-world feeding practices. (0:00–2:53) 

As the conversation develops, the panel emphasizes the importance of challenging traditional scientific assumptions and pushing the boundaries of dairy nutrition research. Practical, on-farm insights are shared through examples from Sunnyside Dairy, includi...

Recorded live at the Florida Ruminant Nutrition Conference, this episode of the Real Science Exchange explores how improving nitrogen efficiency can enhance both dairy performance and environmental sustainability. Featuring Dr. Kelly Nichols (UC Davis), Dr. Jonas de Souza (Perdue Animal Nutrition), and Dr. Ben Wenner (Feed Works), the conversation brings together leading perspectives on how nitrogen utilization continues to shape modern dairy nutrition programs.

The episode opens with a welcome to the Real Science Exchange and introductions to the panel, including Steve Martin, Maria Spindola, Stephanie Hansen, and Dr. Bill Weiss, setting the stage for a deep dive into mineral nutrition. (00:00 – 02:19) 

The discussion begins by comparing NASEM requirements with practical feeding recommendations, emphasizing how minimum requirements are designed to prevent deficiency—not maximize productivity. The panel explores how nutritionists incorporate safety margins and manage risk in formulation, including considerations around mineral toxicity and environmental impact. (04:21 – 08:19) 

From there, the conversation shifts to real-world application, highlighting the challenges of measuring mineral absorpti...

Yeast supplements play a critical role in modern animal nutrition, gut health, and feed efficiency, but not all yeast products work the same way. In this episode of the Real Science Exchange, recorded live at IPPE in Atlanta, Dr. Melina Bonato of ICC Animal Nutrition breaks down the science behind yeast supplements, yeast cultures, and pure yeast products, and explains how different yeast types are produced, processed, and applied across species.

The discussion covers yeast functionality in the gut microbiome, differences between autolyzed yeast, hydrolyzed yeast, and yeast cell walls, and how nutritionists and producers can select...

Recorded live at the Florida Ruminant Nutrition Conference, this episode of the Real Science Exchange features Drs. Heather White and Brad Johnson exploring the role of maternal choline nutrition and its emerging impact on beef × dairy calf performance. 

Maternal nutrition plays a powerful role in shaping beef quality outcomes. In this episode, Dr. Heather White explores how maternal choline supplementation influences fetal muscle development, marbling, feed efficiency, and tenderness—providing new insight into value creation for beef × dairy systems. 

⏱️ Episode Chapters 

0:00 – 2:18 | Unlocking Marbling: Why Maternal Nutrition Matters An overview of how maternal choline supplementati...

This episode of the Real Science Exchange features Dr. Mary Beth Hall, founder of The Cows Are Always Right and former USDA‑ARS scientist, discussing her highly attended Real Science Exchange webinar, Manure Evaluation: Figuring Out What’s Going On Between Cows and Their Rations. Joining the pub‑table conversation are Dr. Clay Zimmerman, Dr. Stefano Vandoni, and Dr. Sion Richards. Dr. Mary Beth Hall explains why manure evaluation is one of the most reliable diagnostic tools in dairy nutrition, providing a direct biological response that may not appear in ration models or performance data. She emphasizes why manure must be eva...

This episode of Real Science Exchange was recorded live at the 2026 IPPE Show and focuses on the newly formalized IFEEDER Research Submission Program and its role in advancing innovation across the animal feed and pet food industries. 

Lara Moody, Executive Director of the Institute for Feed Education and Research (IFEEDER), opens the discussion by outlining IFeeder’s mission to advance understanding and trust in a sustainable animal feed and pet food supply chain. Founded in 2009, IFEEDER has steadily expanded its scope of work, recently releasing key industry resources including feed ingredient consumption reports, a comprehensive pet food ing...

This episode features Andrea Lendewig, Head of Research & Development at IFCN, discussing her Real Science Exchange webinar presentation Global Dairy Market Status and 2035 Perspectives. Joining the conversation are Philipp Goetz, Head of Sales and Business Development at IFCN; Lucas Fess, Senior Dairy Analyst with Rabobank; and Jeremy Painter, Vice President of Global Commercial Operations for Animal Nutrition & Health at Balchem. Together, the panel examines current milk production trends, regional differences, butter and protein markets, exports, herd dynamics, and what the next decade may hold for global dairy.

Andrea opens by outlining IFCN’s global dairy data network an...

Dr. Mike Van Amburgh begins by outlining how amino acid nutrition has historically been viewed almost exclusively through the lens of milk protein. He explains that emerging research clearly shows amino acids play far broader roles in the cow, influencing milk fat synthesis, energy metabolism, and overall efficiency. As genetic potential has increased, amino acids are now supporting many biological pathways beyond simple milk protein yield. (05:50)

The discussion quickly expands to nitrogen efficiency and environmental sustainability. Dr. Van Amburgh explains that dairy systems across Europe and North America are under increasing pressure to reduce nitrogen losses. By...

Dr. Baumgard opens by explaining the origin of the “immune suppression” theory in transition cows. Research dating back to the late 1970s showed slower neutrophil infiltration into the mammary gland in early lactation, which led to the assumption that cows are immunosuppressed after calving. This idea has shaped industry thinking for more than 40 years. (10:43)

He outlines two primary mechanisms traditionally blamed for immune suppression: the cortisol surge at calving, which may impair neutrophil migration, and the metabolic changes of early lactation—high NEFAs, ketones, and low calcium—which appear to reduce neutrophil function in laboratory settings. (13:16)

Dr. Ba...

Dr. Penner presented “Progress in the gut: What we know about ‘gut health’” to lead off the symposium. He highlights using rumen acidosis as a model for gut health, focusing on key structures and how paracellular permeability is maintained or dysregulated, absorptive function, and microbiology. He notes that rumen acidosis affects other parts of the gut besides the rumen. (4:52)

Dr. Laarman wrapped up the  symposium with “Gut health in ruminants: Where to from here?” He agrees with Dr. Penner that we need to look beyond the rumen at all other gut organs. His group has researched rumen acidosis in c...

Recommendations for identification and selection of bioactive compounds to develop antimethanogenic feed additives. Dr. Yáñez-Ruiz (8:23)

How can we search for molecules that modify how feed is fermented in the rumen? Conventionally, we have used scientific literature to look for plant extracts and compounds that have been researched before. Now, we have computational technology that offers opportunities to model how molecules interact with rumen microbes. Once a candidate compound is selected, in vitro tools can be used to test dose responses before animal experiments. 

Recommendations for testing enteric methane-mitigating feed additives in ruminant studies.

D...

Dr. Nichols opens by outlining her background in protein nutrition research spanning Canada, the Netherlands, industry R&D, and now academia at UC Davis. Her research has focused on mammary amino acid metabolism, nitrogen efficiency, and the interaction between protein and energy supply in dairy cattle. (1:00–4:05)

Dr. Räisänen shares her path from Penn State to Finland, Switzerland, and now Aarhus University, where she is leading research within a large, multidisciplinary project focused on lifetime nitrogen efficiency in dairy systems. Her current work examines early lactation protein supply and rumen nitrogen balance. (7:32–10:07)

The discussion begins...

Dr. Ricklefs-Johnson talks about bone health and the cardiovascular health benefits of cheese. Calcium, phosphorus, and vitamins D, K, and B12 are all important for bone health, and cheese is a good source of each. In the past, saturated fat in cheese would have been demonized, but research is finding that saturated fat isn’t created equally across all food types, and cheese has many unique fatty acids. Cheese consumption is associated with reduced risks of coronary heart disease, cardiovascular disease, and stroke. Cheese contains bioactive peptides that appear to help lower blood pressure. (4:18)

The panel discusses th...

Dr. Rico’s presentation was titled “Of cows and bugs: Using insects as alternative feeds in dairy cattle nutrition.” He gives an overview of his presentation, noting that while insects are not a major focus of US dairy nutrition, they are of interest in other parts of the world as a protein source to substitute for soybean or fish meal. (2:12)

Dr. Dou’s talk was “Alternative feed for livestock: Opportunities and challenges to support a circular food system.” She explains that a typical agriculture/food system is linear: take, make, and waste, which generates a lot of food residue...

This episode’s guests were speakers on a Hot Topic Panel titled “Farm Management for the Future - Managing for Health, Welfare, and Performance” at the 2025 ADSA annual meeting. 

Dr. Nelson gives some background on how the Hot Topic Panel idea came to be and introduces the rest of the guests. (1:07)

Dr. Devries describes his research program in dairy cattle behavior and nutrition, particularly using behavior as a metric for understanding nutrition and housing management and using automated tools. He has particular expertise in automated milking systems. He envisions incremental adoption of various automated tools to repl...

Genetic resilience and the dynamics of inbreeding and diversity in dairy breeding. Dr. Maltecca (6:43)

The main issues in managing genetic diversity in dairy cattle include inbreeding depression and continuing selection without exhausting the available variability in the population. These are difficult to investigate in a breeding population, as there is not a model algorithm where there is the luxury of designing an experiment. Dairy cattle closely resemble one another, so it is difficult to distinguish between the effect of selection from the effect of drift and the effect of deleterious mutation accumulation in the population. Researchers find...

Host Scott Sorrell begins the episode by setting expectations for a science-first conversation on chelated trace minerals, noting panelist affiliations while emphasizing that the discussion is grounded in research, not promotion. Stephen Ashmead, Senior Fellow for Chelates with Balchem, shares the origins of chelated mineral technology through Albion Laboratories, founded in 1956 by his grandfather, Harvey Ashmead, after recognizing challenges with mineral absorption. The conversation also introduces Dr. Bill Weiss of The Ohio State University and co-host Dr. Maria Spinola, who brings both veterinary and applied nutrition perspectives to the discussion. (00:08)

The panel explains chelated minerals from...

Greg Nye introduces himself and Mountain View Dairy, where he manages three facilities and associated farm ground. He outlines the design and construction timeline of their fully enclosed feed center and shares the three primary benefits behind the project: reduced shrinkage, improved ration consistency, and enhanced employee safety. (1:41)

Greg explains how external receiving and intentionally separated traffic flows eliminate cross-traffic between loaders and delivery trucks, which significantly improves safety and efficiency. The group discusses early design considerations, lessons learned from other operations, and how “R&D” (rob and duplicate) helped shape the final layout of the facility. (2:32)

This episode’s guests were speakers on the Joint ADSA-CSAS Breeding and Genetics Symposium:

Dairy Welfare—Breeding and Management Strategies at the 2025 ADSA annual meeting. 

Jessica’s talk was titled “Herd Sustainability Index: Using milk recording data to evaluate dairy herd sustainability.” This index provides a national percentile ranking benchmark for producers relative to sustainability from DHI data. The index evaluates ten indicators in four major categories: longevity and culling, feeding and production, heifers, and health. (2:51)

Dr. Vasseur’s talk was titled “Improving welfare through inclusive innovation: The story of WELL-E.” This inclusive innovation delive...

Rob and Adrian share their family’s journey, from Dutch immigrant roots to managing large-scale dairy operations in California and Colorado, and discuss how communication, leadership structure and disciplined decision-making have helped them successfully scale their operation. The conversation also dives into lessons learned from facility design, sustainability initiatives and the launch of a consumer colostrum brand rooted in dairy science.

Rob and Adrian introduce themselves and share their family’s immigration story and early dairy roots in California, including how prior generations entered the U.S. dairy industry. (1:01)

The Diepersloot’s tell the story growth...

In the Real Science Exchange Legacy Series, we celebrate the pioneers who have shaped the dairy industry. In this episode, we honor Dr. Don Beitz, a distinguished professor at Iowa State University. At the 2025 ADSA Annual Meeting, a symposium was held titled “Donald C. Beitz Recognition Symposium: 50-Plus Years of Dairy Science Research.” The guests on this episode, all former graduate students of Dr. Beitz, were speakers at the event. Join us as we explore Dr. Beitz’s contributions and enduring impact on our industry. 

Panelists introduce themselves and how they met Dr. Beitz. Tricky MS and PhD exa...

This episode features Dr. Glen Broderick and Dr. May Beth Hall, speakers at the 2025 ADSA Ruminant Nutrition Symposium: Anomalies in Analyzed Nutrient Composition of Feedstuffs.

Dr. Broderick’s presentation was titled “Protein analysis methodology.” The high points of his talk include recommendations for nitrogen analysis in feeds, potential improvements in determining protein degradability and undegradability in the rumen, and near-infrared spectroscopy (NIR) analysis of amino acid composition of feedstuffs. (7:57)

Dr. Hall’s presentation was titled “Success and continuing challenges in analyzing nonfiber carbohydrates.” She gives some history of the analysis of non-fiber carbohydrates and talks about starch...

This episode features Dr. Jocelyn Johnson with STgenetics, a speaker at the 2025 ADSA Breeding and Genetics Symposium: Creating Carbon-Friendly Cows and Leveraging Omics to Improve the Sustainability of Dairy Production.

Dr. Johnson’s presentation was titled “Advancing dairy sustainability through feed-efficient genetics and genomics: Research insights and applications.” She gives an overview of her talk, which focused on data STgenetics has collected and how the company has applied that data to help their customers be more sustainable. She goes on to describe some of the residual feed intake research they’ve conducted in dairy cows. (4:20)

STgeneti...

Eve gives an overview of current and future consumer trends where dairy can play a role. Functional foods, health and wellness, high protein foods, fermented and cultured foods, women’s health, brain health, and aging are all part of the mix. (7:26)

The panelists discuss the healthfulness of saturated fats, the resurgence of butter, milk’s bioactive compounds, and how best to reach the public about the health benefits of dairy. (10:41)

Eve talks about marketing to Gen Z consumers, who are motivated by novelty. How do we reimagine a food that’s been here for thousands of yea...

Dr. Lock presented a Real Science Lecture Series webinar on June 3, 2025. This episode takes a deep dive into the current science and applications of feeding high-oleic soybeans in dairy diets. You can find the original webinar at balchem.com/realscience. 

Dr. Lock gives an overview of the evolution of our knowledge of biologically important fatty acids in dairy cows. Much like we think more about amino acids than crude protein these days, we are starting to think about fatty acids rather than crude fat. There are 5 main fatty acids in dairy cow diets: palmitic, stearic, oleic, linoleic, a...

In this episode, we showcase student research at the 2025 ADSA Annual Meeting in Louisville, Kentucky. Abstracts can be found here: ADSA 2025 Annual Meeting

Abstract 2186: Effects of feeding alternative forage silages on early lactation performance and gas production in multiparous Holstein cows. (00:15)

Guests: Barbara Dittrich and Dr. Heather White, University of Wisconsin-Madison

Co-Host: Dr. Clay Zimmerman, Balchem

Barbara substituted rye silage, triticale silage, rye-camelina-hairy vetch silage, and triticale-camalina-hairy vetch silage to replace 10% of the alfalfa silage in the control diet for her experimental diets. Dry matter intake and gas production were similar...