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Dairy Science Digest

reaganbluel
Insemination Eligibility Period
21 Day Pregnancy Rate
Mastitis
Surplus Calf Value Chain
Paired Housing
Sex Semen
Beef Semen
Rumen Microbiology
A2 Milk
A1 Milk
Staphylococcus Aureus
Cisternal Sampling
University Of Wisconsin
Journal Of Dairy Science
United States Dairy Industry
Dairy Calves
Health Outcomes
Glucose
Cellulose
Fertility Traits

Dairy Science Digest - a podcast developed to share the MOST current research published in the Journal of Dairy science. Hear directly from the research authors on how their results can impact your herd’s profitability. Science you can base your management decisions around. Designed to rarely exceed 30 minutes, this podcast provides ONLY the ”need to know” info for dairy producers. Keywords: dairy... more

PublishesMonthlyEpisodes73Founded6 years ago
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Artwork for Dairy Science Digest

Latest Episodes

The A2 protein variant was identified back in the 60s as a genetic difference among cattle. Recent consumer interest has driven a demand for A2/A2 milk, resulting in increased prevalence in the dairy industry. Acknowledging the importance of protein ... more

The trajectory of the success for a dairy cow begins with mammary development, long before lactation begins.  Dr. Benjamin Enger, Associate Professor for The Ohio State University in Wooster, has worked with his team for years to best understand how ... more

Embryo transfer has become increasingly popular on US dairy farms to rapidly advance the genetic profile of the herd. This month’s feature article looks at the associations between fertility traits on the success of embryo transfer.

Fertility traits... more

Sorghum costs less to plant and requires less water to generate productive tonnages. For years, sorghum has been ignored as a dairy forage, because the starch filled berry was nearly impossible to process, limiting the energy available to the cow. To... more

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Recent Guests

Rodrigo Ibanez
Scientist at the Center for Dairy Research, UW–Madison; cheese research
Center for Dairy Research, University of Wisconsin–Madison
Episode: DSD 7.5 | Impact of A2 milk on cheese production
Benjamin Enger
Professor, Department of Dairy Science, The Ohio State University
The Ohio State University
Episode: DSD 7.4 | Impact of infection on mammary development in pregnant heifers
Sophia Ortega
Guest researcher presenting study findings on fertility traits and embryonic development
University of Wisconsin, Department of Animal and Dairy Sciences
Episode: DSD 7.3 | Generate More Grade 1 Embryos
Juan Pineiro
Associate Professor and Extension Dairy Specialist for Texas A&M AgriLife Research Extension Center in Amarillo
Texas A&M AgriLife Research Extension Center
Episode: DSD 7.2 | Take a second look at Sorghum
Tim Hackmann
Associate Professor at University of California Davis, Department of Animal Science
University of California Davis
Episode: DSD 7.1 | Deliver more protein to the herd at a lower cost through microbial efficiency
Benjamin Wenner
Technical service for Feedworks USA, formerly with Ohio State University
Feedworks USA
Episode: DSD 7.1 | Deliver more protein to the herd at a lower cost through microbial efficiency
Dr. Gallo
Research professor in Italy focusing on animal nutrition and ruminants
Università Cattolica del Sacro Cuore
Episode: DSD 6.12 | Brachytic corn for increased production
Megan Lauber
Ph.D. candidate, University of Wisconsin–Madison
University of Wisconsin–Madison
Episode: Spotify DSD 6.11 | The sweet spot - Insemination timing for peak profit
Katarina Buckova
Invited guest from Iowa State University; researcher focusing on animal welfare and housing systems in dairy calves
Iowa State University
Episode: DSD 6.10 | Summary of Social Housing for Calves

Host

Reagan Bluel
Host of Dairy Science Digest, representing the Dairy Team at University of Missouri

Reviews

5.0 out of 5 stars from 20 ratings
  • Awesome

    I heard Reagan speak about dairy issues in DC and she is clearly a leading advocate for the future of the industry. A valued voice for the future of the industry and the families and rural communities who provide milk for our tables.

    Apple Podcasts
    5
    stupidstupidstilipid
    United Statesa year ago
  • Excellent podcast

    The best podcast ever. Excellent way to make cutting edge research available for a big audience. Only the best papers make it to this podcast.

    Apple Podcasts
    5
    ArnoldHarbers
    Netherlands3 years ago

Listeners Say

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

Engaging, research-backed insights that translate to farm decision-making.
Strong focus on current Journal of Dairy Science findings and their farm impact.
High-quality guests and practical takeaways for producers.

Talking Points

Recent interactions between the hosts and their guests.

DSD 6.11 | The sweet spot - Insemination timing for peak profit
Q: Is there a practical takeaway for dairy producers wanting to apply these findings now?
Yes—the main takeaway is to use herd data to assess whether extending the insemination window and using sexed/beef semen could improve profitability for that specific operation, keeping replacements sufficient and considering market conditions; the researchers plan to provide a live tool for producers to customize analyses.
DSD 6.11 | The sweet spot - Insemination timing for peak profit
Q: What are the key variables that drive net return besides the insemination window?
Replacement numbers to maintain herd size, the value of beef calves, herd turnover rate, and the 21-day pregnancy rate all strongly influence net return, with pregnancy rate often being one of the biggest drivers of profitability.
DSD 6.11 | The sweet spot - Insemination timing for peak profit
Q: Could you summarize how the model compares conventional semen with sexed and beef semen in terms of the insemination window?
The model shows that conventional semen tends to peak earlier in the lactation, around 80–150 days, whereas sexed and beef semen shift the peak farther out, sometimes up to 200 days in milk, because the beef calf value adds more to profitability and offsets the milk income dynamics.
DSD 6.12 | Brachytic corn for increased production
Q: Could you tell us what the brachytic gene mutation is and how it affects the forage the cows eat?
The mutation reduces internodes, especially in the stalk, leading to shorter stalks and ears, which correlates with a different fiber composition and increased starch proportion in the harvest index, ultimately improving energy availability for the cow.
DSD 7.3 | Generate More Grade 1 Embryos
Q: Could you explain how blastocyst rate is affected by the fertility traits you study?
Blastocyst rate is higher in vivo when donors have high fertility conferred by cow or heifer conception rate and daughter pregnancy rate, whereas in vitro blastocyst numbers do not increase with higher fertility traits, highlighting environmental versus genetic effects.

Audience Metrics

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Frequently Asked Questions About Dairy Science Digest

What is Dairy Science Digest about and what kind of topics does it cover?

Dairy Science Digest consistently centers on translating current journal-based dairy research into practical herd-management insights. Episodes typically feature subject-matter experts discussing topics like mastitis, fertility and reproduction timing, rumen nutrition, calf housing, and forage substitutions, with a clear emphasis on on-farm decision-making, profitability, and data-driven management. A standout aspect is the blend of university researchers and extension-focused practitioners, which helps producers, consultants, and students connect cutting-edge science to real-world dairy operations. The format tends to be concise, interview-driven, and oriented toward actionable takeaways for dairy producers and industry professionals.

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Which podcasts are similar to Dairy Science Digest?

These podcasts share a similar audience with Dairy Science Digest:

1. The Dairy Podcast Show
2. The Dairy Nutrition Blackbelt Podcast
3. Progressive Dairy Podcast
4. The Dairy Health Blackbelt Podcast
5. GPS DairyCAST

How many episodes of Dairy Science Digest are there?

Dairy Science Digest launched 6 years ago and published 73 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 Dairy Science Digest?

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What guests have appeared on Dairy Science Digest?

Recent guests on Dairy Science Digest include:

1. Rodrigo Ibanez
2. Benjamin Enger
3. Sophia Ortega
4. Juan Pineiro
5. Tim Hackmann
6. Benjamin Wenner
7. Dr. Gallo
8. Megan Lauber

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