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RumiNation

Jefo
Stocking Density
Dairy Nutrition
Nutrition Management
B Vitamins
Cow Health
Animal Welfare
Milk Yield
Dairy Industry
Nutrition Des Vaches Laitières
Mental Health
Hypocalcemia
Cattleytics
Machine Learning
Receiving Cattle Nutrition
B Vitamins In Cattle
Artificial Intelligence In Dairy
Wildfire Smoke
Calf Stress
Dairy Cattle Lameness
Jeffo Nutrition

RumiNation is a series of conversations with key influencers in the North American dairy and cattle industries. The discussions focus on topics such as animal welfare, management, profitability, productivity, longevity, and sustainability.

PublishesMonthlyEpisodes81Founded6 years ago
Number of ListenersCategories
Life SciencesScienceTechnology

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Latest Episodes

Timestamps & Summary

Chris Gwyn (01:23)

Could you share with the listening audience the journey that has taken you to be researching immunity and the respiratory infections in ruminants?

Dr. Jodi McGill

I actually started out my training on the hum... more

Timestamps & Summary

Chris Gwyn (02:22)

So [Sarah], let's start with looking at the information that you presented on B vitamin supplementation in dairy calves. In the study, you presented data on the post-weaning period. My question for you is: wh... more

Timestamps & Summary

Chris Gwyn (01:54)

Can you share with the audience a bit of the evolutionary biology of the mitochondrion, how this is crucial for today's dairy cow, and why this is such an interest to you?

Dr. Nial O'Boyle

I share your fa... more

Timestamps & Summary

Chris Gwyn (02:00)

What drew you into dairy consulting, and how has that role evolved over the years as both the industry and your customers have changed?

Jodi Erickson

Back in the early 2000s, when I was hitting the job m... more

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Recent Guests

Dr. Jodi McGill
Immunologist studying innate immunity and respiratory infections in cattle
Iowa State University
Episode: How Nutrition and Management Make for Stronger Cattle Immunity
Nial O'Boyle
Veterinary surgeon with extensive dairy development experience
Independent (Dr. Nial O'Boyle)
Episode: Why Mitochondria Matter in the Modern Dairy Cow
Jodi Erickson
Midwest USA dairy consultant
Private consulting
Episode: The Evolving Role of the Modern Dairy Nutrition Consultant
Gerard Cramer
Professor in the Department of Veterinary Population Medicine, University of Minnesota
University of Minnesota, Dairy Production Medicine
Episode: Smart Systems Rethinking Lameness Management
Gail Carpenter
Assistant Professor and State Extension Specialist at Iowa State University
Iowa State University
Episode: Managing Calf Stress from Day One to Weaning
Juliana Ranches
Assistant Professor, Oregon State University
Oregon State University
Episode: How Wildfire Smoke Impacts Calf Growth
Katie Raver
Animal Nutrition Technical Service Director at Rock River Laboratory
Rock River Laboratory Incorporated
Episode: Turning Feed Analysis into Real Gains in Milk Production
Dr. Stephanie Hansen
Beef cattle researcher; Tyrone D. Arts MD Chair for Faculty Excellence in Animal Science at Iowa State University
Iowa State University
Episode: Unlocking the Role of B Vitamins in Receiving Cattle
Dr. Shari van de Pol
CEO of CATTLEytics
CATTLEytics
Episode: Smarter Farming with Data and Technology

Hosts

Chris Gwyn
Host of the podcast with frequent collaboration in conversations about dairy nutrition and farm management.
Jeffo Nutrition
Sponsor and presenter/affiliation involved in episodes discussing nutrition and data-driven farming.

Reviews

5.0 out of 5 stars from 20 ratings
  • Great info

    Hitting all the relevant topics in feeding cows. Thanks

    Apple Podcasts
    5
    cana-ame
    Canada5 years ago
  • Yes!

    A podcast that cuts the bull... straight to the point and informative.

    Apple Podcasts
    5
    EmFontaine
    Canada6 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Great show for practical dairy nutrition insights and field-ready tips.
Guest experts provide research-backed perspectives that translate to on-farm results.
Listeners appreciate the clear, no-nonsense delivery and actionable takeaways.

Chart Rankings

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Talking Points

Recent interactions between the hosts and their guests.

How Nutrition and Management Make for Stronger Cattle Immunity
Q: How do minerals and vitamins influence immune readiness and disease outcomes in calves?
Nutrients like zinc and vitamin A support tissue health and mucosal immunity, helping the lungs repair and respond effectively; overly high mineral levels can be counterproductive, underscoring the need for balanced nutrition to maintain immune readiness.
How Nutrition and Management Make for Stronger Cattle Immunity
Q: What exactly is innate immunity and how does it differ from adaptive immunity in cattle?
Innate immunity is the fast, non-specific first line of defense that also instructs the adaptive immune system, which is more specific and memory-based; innate responses are crucial for readying the animal for vaccines and preventing disease.
How Nutrition and Management Make for Stronger Cattle Immunity
Q: Could you share your journey into researching immunity and respiratory infections in ruminants?
Dr. McGill describes moving from human and mouse immunology to bovine studies, driven by the desire to see real-world impact on cattle health and disease resistance, and highlights her path through National Animal Disease Center to a professorship.
Practical Research for Better Dairy Performance
Q: What was the key finding from the transition cow study regarding prepartum supplementation?
Prepartum supplementation with protected B vitamins and choline led to improved milk yields (about 3.2 kg additional milk over 30-90 days in milk) and healthier outcomes such as fewer retained placenta and lower culling at early lactation.
Practical Research for Better Dairy Performance
Q: Why focus on the post-weaning period for calves?
Because it is the most stressful phase for a calf, involving nutritional changes, social regrouping, and environmental stressors, and growth during this time strongly influences future productivity and herd sustainability.

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Frequently Asked Questions About RumiNation

What is RumiNation about and what kind of topics does it cover?

This series centers on practical, data-driven dairy and cattle industry insights, blending academia, extension work, and on-farm experience. Episodes frequently explore how technology, laboratory data, and targeted nutrition intersect with farm management to improve profitability, animal welfare, and resilience—from lameness detection and calf rearing to transition cow physiology and calcium balance at calving. A notable strength is the emphasis on actionable takeaways, including step-by-step management practices, integration of wearables and AI, and collaboration among veterinarians, nutritionists, and farm teams. Sponsors tied to dairy nutrition and ag-tech often reinforce practical application, making the content highly useful for produc... more

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Which podcasts are similar to RumiNation?

These podcasts share a similar audience with RumiNation:

1. The Dairy Nutrition Blackbelt Podcast
2. The Dairy Podcast Show
3. Real Science Exchange-Dairy
4. Dairy Science Digest
5. Progressive Dairy Podcast

How many episodes of RumiNation are there?

RumiNation launched 6 years ago and published 81 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact RumiNation?

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What guests have appeared on RumiNation?

Recent guests on RumiNation include:

1. Dr. Jodi McGill
2. Nial O'Boyle
3. Jodi Erickson
4. Gerard Cramer
5. Gail Carpenter
6. Juliana Ranches
7. Katie Raver
8. Dr. Stephanie Hansen

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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