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PODCAST

Dairy Digressions

Welcome to Dairy Digressions, the podcast from the American Dairy Science Association. Every other month, host Matt Lucy, PhD, explores the latest developments, fascinating discoveries, and breaking trends in the world of dairy science. From pioneering technologies to innovative research, we cover a range of topics related to the dairy industry and go behind the scenes of the top labs and minds in dairy research. Listen in as we dig deep into the science of dairy and discover what’s new and

science natural sciences

All Episodes

00:49:52

Mastitis, Microbial Stewardship, and the Importance...

Dairy Digressions ·

2025/10/29

In this candid and inspiring episode, host Matt Lucy is joined in conversation by Pam Ruegg, DVM, MPMV, ADSA fellow and David J. Ellis Chair in Antimicrobial Resistance and Large Animal Clinical Sciences in the College of Veterinary Medicine at Michigan State University. Pam shares her remarkable and diverse path in dairy science, from working in private practice to corporate technical service at Monsanto and extension appointments to roles in academia. Throughout her career, she has remained

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00:58:24

Understanding Nutrients as Metabolic Signals,...

Dairy Digressions ·

2025/09/02

In the latest installment of Dairy Digressions, host Matt Lucy sits down with Barry Bradford, PhD, professor and C. E. Meadows Endowed Chair in Dairy Management and Nutrition at Michigan State University’s (MSU) Department of Animal Science, senior editor for the Journal of Dairy Science, and co-host of The Dairy Podcast Show. After growing up on a seedstock beef operation, Barry was drawn to dairy science because of its incredible complexity. After some gentle pressure from the renowned Don Beitz

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00:36:48

Consumer Perceptions of Dairy, Milk in School...

Dairy Digressions ·

2025/07/08

We’re bringing you a dairy food science icon on this episode of Dairy Digressions. Host Matt Lucy, PhD, is joined by MaryAnne Drake, PhD, a William Neal Reynolds Distinguished Professor of Food Science at North Carolina State University. MaryAnne is the director of the Sensory Service Center, director of the Southeast Dairy Foods Research Center, an ADSA Fellow who served as ADSA’s first female president, and a fellow of the Institute of Food Technologists. MaryAnne explains her journey from food

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00:59:53

Understanding the Dairy Matrix, Its Uses in Human...

Dairy Digressions ·

2025/05/31

We’re celebrating dairy foods in the latest installment of Dairy Digressions! Host Matt Lucy sits down with two of the voices behind the recent Journal of Dairy Science special issue, “Dairy Foods: A Matrix for Human Health and Precision Nutrition.” Devoted to the latest science on dairy food nutrition, the selected articles in this issue emphasize the crucial role dairy plays in human health from infancy through adulthood. Join us with Grace Lewis, PhD, assistant professor of animal and food

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00:42:09

Feeding Fats and Fatty Acids, Finding Transition...

Dairy Digressions ·

2025/04/30

Growing up on a dairy farm in the United Kingdom, Adam Lock, PhD, always thought he would take over the family business and milk cows for a living. Instead, he now works to help dairy professionals increase their cattle’s health, productivity, and profitability through nutrition. Join us to find out how!Host Matt Lucy sits down with Adam, a professor and associate chair for farm operations in the Department of Animal Science, and interim chair of the College of Veterinary Medicine’s Department of

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00:49:32

Muscle, Metabolism, and Milk—Dairy and Dairy...

Dairy Digressions ·

2025/03/29

Join us as we sit down with Daniel Moore, PhD, professor of muscle physiology at the University of Toronto and invited speaker at the ADSA Annual Meeting. He explains how muscle serves as the body’s primary storage for amino acids, the building blocks crucial for immune function, and emphasizes its importance beyond just physical strength into healthy aging and metabolic health. In his lab, he’s working to understand which foods—and which types of high-quality protein—can best support recovery and

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01:02:23

Latest Updates on HPAI H5N1 and Dairy—What We Know...

Dairy Digressions ·

2025/02/11

Since our last episode devoted to the highly pathogenic avian influenza (HPAI) H5N1 outbreak in US dairy herds, the virus has passed some concerning new milestones—infecting over 900 herds, more than 60 people (including 1 death), and millions of domestic poultry flocks—and continues to present a pressing concern to dairy scientists and the dairy sector as a whole. To help our listeners keep their finger on the latest science, Matt sits down withDiego Diel, DVM, MS, PhD, a leading virologist and

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01:00:43

Guidelines on Accelerating Feed Additives for Methane...

Dairy Digressions ·

2025/01/15

Join us for a special Dairy Digressions episode with the co-leads of a just-released special issue of the Journal of Dairy Science, Feed Additives for Methane Mitigation. Guests David Yáñez-Ruiz of the Spanish Research Council (CSIC) and André Bannink of Wageningen University & Research introduce listeners to the six articles in the issue, which represent the first outcomes of a flagship project by the Feed and Nutrition Network of the Global Research Alliance on Agricultural Greenhouse Gases’

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00:46:49

Understanding Calcium, Bone Density, and the Unique...

Dairy Digressions ·

2024/12/31

You know how delicious dairy foods are, so join us for a conversation with renowned nutrition scientist Connie M. Weaver, PhD, to better understand their essential role in human diets and overall health. Connie, a Distinguished Research Professor at San Diego State University and Distinguished Professor Emerita of Purdue University, a Fellow of the American Heart Association, American Society for Nutrition, and the American Society for Bone and Mineral Research, joined us for the 2024 ADSA Annual

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00:50:30

Storytelling, Staying Curious, and the Joys of a...

Dairy Digressions ·

2024/12/11

Our annual grad student takeover episode is back! This year, Matt sits down with three of the 2024 winners of ADSA’s Graduate Student Division awards: Jason Pronschinske and Philip Eberly, both hailing from the Department of Food Science at the University of Wisconsin–Madison under the mentorship of John Lucey, PhD; and Amanda Fischer-Tlustos, joining us from the Department of Animal Biosciences at the University of Guelph working with Michael Steele, PhD, and John Cant, PhD. All three of our

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00:44:19

Mapping the Bovine Endometrium, Building a Scientific...

Dairy Digressions ·

2024/11/15

Join us as we delve into the fascinating world of bovine reproduction research with Niamh Forde, PhD, professor and chair of molecular reproductive biosciences at the University of Leeds School of Medicine and cofounder of LeedsOmics, a virtual research institute. Niamh, a passionate scientist and community builder, shares her journey from a young, curious mind to a leading expert in the field who is currently focused on understanding the molecular interactions between the uterine endometrium and

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00:43:27

What We Know About HPAI H5N1 and Dairy—Interview with...

Dairy Digressions ·

2024/10/08

What has the dairy science community learned since the March 2024 highly pathogenic avian influenza (HPAI) H5N1 outbreak in US dairy herds? That’s the question host Matt Lucy, PhD, is posing to two special guests on the pod: Nicole Martin, PhD, assistant research professor in dairy foods microbiology and associate director of the Milk Quality Improvement Program in the Department of Food Science at Cornell University, and Zelmar Rodriguez, DVM, PhD, assistant professor in the College of Veterinary

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00:44:22

Understanding Sleep, Rest, and Drowsing in Dairy...

Dairy Digressions ·

2024/09/24

We’re celebrating dairy cow behavior this month on the pod as the special issue of JDS Communications, Behavior in Dairy Animals, launches! Host Matt Lucy chats with Katy Proudfoot, PhD, associate professor at the University of Prince Edward Island and director of the Sir James Dunn Animal Welfare Centre at the Atlantic Veterinary College in Prince Edward Island, and Emma Ternman, PhD, associate professor at Nord University. The two are coauthors of an Editor’s Choice article in the special issue

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00:54:54

Automated Health Monitoring, Teaching for the Next...

Dairy Digressions ·

2024/08/28

Buckle up for a lively episode, as we welcome the infectiously energetic Julio Giordano, DVM, PhD, professor of dairy cattle biology and management in the Department of Animal Science and a codirector of the Cornell Institute for Digital Agriculture at Cornell University. Julio originally hails from Balnearia, Argentina, where he grew up learning from his father’s practice as a dairy veterinarian and working on his family’s dairy farms. He joins Matt to explain how this early interest in dairy cow

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00:38:39

BONUS: H5N1 Bird Flu Outbreak and Its Impact on...

Dairy Digressions ·

2024/08/15

Have questions about how the recent H5N1 strain of avian influenza—or bird flu—outbreak is impacting cow health, worker safety, dairy products, and consumer trust?This special bonus episode of Dairy Digressions takes you straight to the heart of the 2024 ADSA Annual Meeting, where top animal health and food safety experts tackle your most pressing H5N1 concerns. Join moderator Jessica McArt, PhD, DVM, DABVP (Dairy Practice), as she poses audience questions to panelists Pamela Ruegg, DVM, MPVM,

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00:42:13

Resilient Dairy Genome, Global Collaboration, and the...

Dairy Digressions ·

2024/06/26

Still reeling from the science outlined by Filippo Miglior, PhD, in episode 6 of the pod? Us too. That’s why we invited special guest Christine Baes, PhD, to give us a download on the follow-up project. Christine is a professor and department chair of the Department of Animal Biosciences and Research Chair in Livestock Genomics at the University of Guelph. She is interested in improving dairy cows’ health, welfare, and productivity through genetics and is the lead investigator of The Resilient Dairy

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00:50:50

Assembled Bovine Blastoids, the Future of Repro...

Dairy Digressions ·

2024/05/17

Deep dive with us into the exciting world of stem cell research as we welcome Carl Jiang, PhD, associate professor at the University of Florida and member of the University of Florida Genetics Institute. Jiang’s work focuses on reproductive biology, with an emphasis on understanding the epigenetic mechanisms during the embryo-development period when most pregnancy losses occur. Carl and host Matt Lucy get caught up during the International Embryo Technology Society’s 50th Annual Conference and

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00:56:31

Fostering Belonging in Our Community, Academia’s...

Dairy Digressions ·

2024/04/16

We don’t pick favorites among our guests, but we’re especially thrilled to welcome Jessica A. A. McArt, DVM, PhD, DABVP (Dairy Practice), to the pod! Jess is the new Editor in Chief of JDS Communications and associate professor of ambulatory and production medicine at Cornell University’s College of Veterinary Medicine, where her McArt Dairy Cow Lab focuses on improving cowside detection and the prevention of periparturient disease. Matt and Jess discuss her journey into dairy science—from growing

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00:52:46

Embryo-Mediated Gene Editing, Coat Color, and...

Dairy Digressions ·

2024/03/20

Join us for a special episode of Dairy Digressions recorded live at the International Embryo Technology Society’s 50th Annual Conference. Between sessions, host Matt Lucy sat down with Goetz Laible, PhD, biochemist and principal scientist at AgResearch and honorary associate professor at the University of Auckland in New Zealand. Their discussion walks listeners through Goetz’s work in developing and evaluating technologies for the genetic improvement of livestock. In the face of our warming

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01:41:56

Dairy’s Environmental Progress, Greenhouse Gas 101,...

Dairy Digressions ·

2024/02/20

Why does the dairy sector have such a good story to tell about environmental sustainability, and how can each of us be a better storyteller for the industry? Join us for a mega episode of Dairy Digressions to find out! Host Matt Lucy is joined by esteemed guest Frank Mitloehner, PhD, a professor and extension specialist in the Department of Animal Science at the University of California, Davis, and director of the UC Davis CLEAR Center. An agricultural engineer and air-quality expert, Frank explains

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