The Dairy Podcast Show

In this episode of The Dairy Podcast Show, Dr. Jess McArt from Cornell University College of Veterinary Medicine discusses calcium balance in fresh cows, subclinical hypocalcemia, rumination monitoring, and prevention strategies for improving transition cow health. She explains how dairy professionals can more effectively identify high-risk cows and apply practical management tools to improve production and reproductive outcomes. Listen now on all major platforms!

“Rumination time can serve as a proxy for intake, and help set standards for intervention when fresh cows fail to recover quickly.”

Meet the guest: Dr. Jess McArt is a Professor at Cornell University College of Veterinary Medicine and Chair of Population Medicine and Diagnostic Sciences. Her research focuses on transition cow health, calcium metabolism, dairy production medicine, and herd-level management strategies that improve dairy cattle performance and health outcomes. Learn more from Dr. Jess McArt on The Dairy Podcast Show, available on all major platforms.

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What you'll learn:
(00:00) Highlight
(01:34) Introduction
(04:34) Prevention strategies
(08:34) Intake patterns
(10:54) Supplementation insights
(19:10) Hypocalcemia prevention
(20:57) Monitoring fresh cow calcium
(23:19) Final questions

The Dairy Podcast Show is trusted and supported by innovative companies like:

- Chemlock

* Priority IAC
* CowManager
* Agri-Comfort
* Adisseo
* Afimilk
* Evonik
- Protekta
- BoviSync
- dsm-firmenich
- AHV
- Natural Biologics
- DietForge
- Agrarian Solutions

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.
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In this episode of The Dairy Podcast Show, Dr. Larry Roth, Vice President of Nutrition at Agrarian Solutions, explains how mycotoxins affect dairy cow health, performance, and nutrient use. He outlines risk factors, testing strategies, and emerging technologies like IgY and probiotics to defend gut integrity and liver function. Get practical insights that help manage contaminated feeds and improve herd resilience. Listen now on all major platforms!

"The digestive tract functions as a protective barrier, and when mycotoxins damage intestinal cells, harmful substances can enter the body and trigger systemic health challenges."

Meet the guest: Dr. Larry Roth earned his Ph.D. in Ruminant Nutrition from the University of Nebraska-Lincoln, with prior degrees from Texas A&M University and the University of Wyoming. As Vice President of Nutrition at Agrarian Solutions, his work focuses on probiotics, forage utilization, and dairy nutrition strategies that support animal health and performance. Learn more from Dr. Larry Roth on The Dairy Podcast Show. Listen on all major platforms.

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What you'll learn:
(00:00) Highlight
(01:35) Introduction
(07:14) Mycotoxin basics
(08:53) Gut damage effects
(12:20) Risk assessment
(17:23) Multiple toxins
(22:37) Testing strategy
(29:47) Final Questions

The Dairy Podcast Show is trusted and supported by innovative companies like:

- Agrarian Solutions

* Evonik
* Priority IAC
* CowManager
* Agri-Comfort
* Adisseo
* Afimilk
- BoviSync
- Chemlock
- Protekta
- dsm-firmenich
- AHV
- Natural Biologics
- DietForge

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.
Website: The Dairy Podcast Show
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In this episode of The Dairy Podcast Show, Dr. Kurt Rosentrater, Professor of Agricultural and Biosystems Engineering at Iowa State University, breaks down what sustainability really means across food and agriculture. He explains why feed efficiency matters more than any single additive, how DDGS and ethanol co-products fit ruminant diets, and why systems thinking, not silver bullets, drives lasting results. Listen now on all major platforms!

“Feed efficiency is one of the holy grails of sustainability. It is all about converting protein and energy into an animal product.”

Meet the guest: Dr. Kurt Rosentrater is a Professor of Agricultural and Biosystems Engineering at Iowa State University. His research focuses on grain processing, ethanol co-products including DDGS, and sustainable food and feed systems, bridging historical data with precision feeding tools to help producers make better decisions. Learn more from Dr. Kurt Rosentrater on The Dairy Podcast Show, available on all major platforms.

Liked this one? Don’t stop now — Here’s what we think you’ll love!

What you'll learn:
(00:00) Highlight
(01:59) Introduction
(03:18) Growing up on a farm
(11:50) Sustainability across systems
(17:42) Carbon scoring in formulation
(24:49) Value of historical research
(30:25) Feed efficiency as sustainability
(37:13) Closing thoughts

The Dairy Podcast Show is trusted and supported by innovative companies like:

* Agri-Comfort
* Adisseo
* Afimilk
* Evonik
* Priority IAC
* CowManager

- DietForge
- Agrarian Solutions
- BoviSync
- Chemlock
- Protekta
- dsm-firmenich
- AHV
- Natural Biologics

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.
Website: The Dairy Podcast Show
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LinkedIn: The Dairy Podcast Show

I'm Dr. Liz Eckelkamp, and I’m thrilled to kick off my first episode as co-host on The Dairy Podcast Show! Very excited to embark on this journey with you. 

In this episode of The Dairy Podcast Show, Dr. Liliane Silva, Assistant Professor and Extension Specialist at Clemson University, explains how forage systems support dairy production in the Southeast. She discusses grazing strategies, feed cost challenges, soil health, and greenhouse gas mitigation through improved management and legume integration. Get practical insights that highlight resilience and profitability in modern systems. Listen now on all major platforms!

“Adoption of baleage and forage conservation techniques allows producers to maintain high-quality feed supplies and reduce dependence on external feed purchases.”

Meet the guest: Dr. Liliane Silva earned her PhD in Animal Sciences from the University of Florida after completing her degrees at the University of São Paulo. Now at Clemson University, her work focuses on forage livestock systems, soil health, and sustainable dairy production. Her Extension efforts support producers across multiple states with practical solutions.

Liked this one? Don’t stop now — Here’s what we think you’ll love!

What you'll learn:
(00:00) Highlight
(01:42) Introduction
(04:06) Forage role
(06:09) Feed costs
(09:26) Grazing strategies
(12:23) Confinement feeding
(18:53) Emissions research
(32:31) Final Questions

The Dairy Podcast Show is trusted and supported by innovative companies like:

* Priority IAC
* Evonik
* Afimilk
* CowManager
* Jones-Hamilton Co.
* Agri-Comfort
* Adisseo

- Protekta
- Berg + Schmidt
- DietForge
- Natural Biologics
- AHV
- BoviSync
- Agrarian Solutions
- dsm-firmenich
- Chemlock

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.
Website: The Dairy Podcast Show
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In this episode of The Dairy Podcast Show, Dr. David Casper, dairy nutritionist at Casper’s Calf Ranch in Illinois, shares research on calf air quality and ammonia control in hutches. He explains how bedding management and sodium bisulfate reduced ammonia by 85% and improved average daily gain. Dr.  Casper also discusses practical insights on colostrum transfer and calf performance. Listen now on all major platforms!

“Calf hutches are the gold standard for environmental quality, but bedding can become an issue. When we started using soy hulls, I started noticing ammonia in the hutches. That's when we started getting concerned.”

Meet the guest: Dr. David Casper earned his M.S. and Ph.D. in Dairy and Animal Science from South Dakota State University. With experience at USDA ARS and in dairy nutrition leadership roles, he now leads contract calf research at Casper’s Calf Ranch in Illinois, focusing on nutrition, air quality, and performance. 

Liked this one? Don’t stop now — Here’s what we think you’ll love!

What you'll learn:
(00:00) Highlight
(01:28) Introduction
(05:33) Hutch systems overview
(08:34) Ammonia measurement methods
(11:21) Ammonia reduction results
(13:28) Growth performance impact
(16:33) Recommended resources

The Dairy Podcast Show is trusted and supported by innovative companies like:

* Jones-Hamilton Co.

* Agri-Comfort
* Adisseo
* Priority IAC
* Evonik
* Afimilk
* CowManager
- dsm-firmenich
- Protekta
- Berg + Schmidt
- DietForge
- Natural Biologics
- AHV
- BoviSync
- Agrarian Solutions

𝗟𝗶𝘀𝘁𝗲𝗻 𝗼𝗻 𝗔𝗽𝗽𝗹𝗲 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀, 𝗦𝗽𝗼𝘁𝗶𝗳𝘆 𝗼𝗿 𝗮𝗻𝘆 𝗺𝗮𝗷𝗼𝗿 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺.
Website: The Dairy Podcast Show
Instagram: The Dairy Podcast Show
LinkedIn: The Dairy Podcast Show