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Rumen Phil

@rumenmicrolab

Research program focused on the microbiological mechanisms underlying feed efficiency, enteric emissions, and nutrition in beef cattle. Posts are my own.

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19.11.2025
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Latest posts by Rumen Phil @rumenmicrolab

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Animal Science March Madness — Round 1 Begins!

Match 2 is live:

Bearded Vulture — Dr. Blair Downey
vs
Okapi — Dr. Phillip Myer

Which advances to the next round? VOTE HERE:
tiny.utk.edu/march-madness

09.03.2026 15:37 👍 0 🔁 0 💬 0 📌 0
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Animal Science March Madness — Round 1 Begins!
Match 1 is live:

🐺 Mutant (Chernobyl) Grey Wolf — Dr. Elizabeth Shepherd
vs
🐴 Horses & Horsepower — Dr. Yanqiu Yang

Which advances to the next round? VOTE HERE:
tiny.utk.edu/march-madness

09.03.2026 15:37 👍 0 🔁 0 💬 0 📌 0
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Animal Science March Madness | Department of Animal Science 6 Animals. 16 Faculty Programs. One Champion. March Madness isn’t just for basketball. This spring, the Department of Animal Science is launching the 3rd An ...

Animal Science March Madness starts March 9!

16 Animals. 16 Faculty Programs. One Champion.

Follow along and vote for your favorites!

#UTIAg #UTAgResearch #AnimalScience

tiny.utk.edu/march-madness

04.03.2026 18:27 👍 0 🔁 0 💬 0 📌 0
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Complete genome sequence of Ligilactobacillus animalis strain NP51 | Microbiology Resource Announcements The genus Ligilactobacillus was established following recent reclassification of the Lactobacillus genus (1). Accordingly, the probiotic strain previously designated Lactobacillus acidophilus NPC 747 ...

Excited to share Katie Feldmann's publication on the first complete genome sequence of Ligilactobacillus animalis NP51. Having a fully closed genome provides a useful reference for future probiotic functional/applied work in beef cattle.

journals.asm.org/doi/10.1128/...

02.03.2026 16:01 👍 0 🔁 0 💬 0 📌 0
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Application of the solvent effect on bioluminescent reporter bacteria as a real-time membrane toxicity assay Bioluminescent bioreporters are widely used across various scientific disciplines due to the well-characterized bacterial bioluminescence mechanism. However, solvent-induced membrane perturbations may...

Excited to share our article on testing molecular mechanisms using a constructed #bioluminescent reporter. The fundamental knowledge gained from this work now underpins our research into developing beneficial microbes for #rumenhealth and #probiotics.

go.shr.lc/49bKye6

09.01.2026 02:03 👍 0 🔁 0 💬 0 📌 0
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🎉 2026: Vol-Powered. Microbe-Driven. Impact-Focused! 🎉

✨ Feed efficiency
✨ #Microbiome - host interactions
✨ Training future leaders in #AnimalScience

Grateful for the people & partnerships that power our #land-grant mission.

#GoVols! 🍊

#UTAgResearch #UTIAg

02.01.2026 16:14 👍 1 🔁 0 💬 1 📌 0
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🎶On the 12th day of #microbes, the #rumen gave to me...

Happy holiday wishes to you and your family!

25.12.2025 18:53 👍 1 🔁 0 💬 1 📌 0
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🎶On the 11th day of #microbes, the #rumen gave to me...
 
Rumen Fluid Metabolites!
 
Rumen fluid metabolomes differ in steers of varying feed efficiencies, providing insight on contributing factors in feed efficiency.

doi.org/10.1007/s113...

25.12.2025 02:51 👍 0 🔁 0 💬 0 📌 0
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🎶On the 10th day of #microbes, the #rumen gave to me...

Protozoa, which can influence feed efficiency!

Rumen protozoa community diversity has been suggested to be associated with feed efficiency in #beef steers!

doi.org/10.3390/ani1...

24.12.2025 03:55 👍 0 🔁 0 💬 0 📌 0
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🎶On the 9th day of #microbes, the #rumen gave to me...

Microbes important for growth!

We demonstrated how the action of growth promotion supplements & different concentrations of protein impact the rumen microbiome.

doi.org/10.1371/jour...

22.12.2025 21:25 👍 0 🔁 0 💬 0 📌 0
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🎶On the 8th day of #microbes, the #rumen gave to me...

Microbes important for fescue toxicosis!

Our group has shown that clover isoflavones reduced microbes associated with #fescue toxicosis.

doi.org/10.1093/tas/...
doi.org/10.3390/data...

22.12.2025 00:15 👍 0 🔁 0 💬 0 📌 0
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🎶On the 7th day of #microbes, the #rumen gave to me...

Biomarkers for feed efficiency!

Flavobacteriia and Pantothenate may potentially serve as novel biomarkers to predict or evaluate feed efficiency in #Angus steers.

www.nature.com/articles/s41...

20.12.2025 22:13 👍 0 🔁 0 💬 0 📌 0
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🎶On the 6th day of #microbes, the #rumen gave to me...

Patience!

Following significant dietary changes, the rumen #microbiome can take up to 9 weeks to stabilize.

nature.com/articles/s41...

19.12.2025 20:13 👍 1 🔁 0 💬 0 📌 0
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🎶On the 5th day of #microbes, the #rumen gave to me...

Gut microbe changes during pregnancy!

Our group uncovered key changes in the rumen microbiome during pregnancy & their correlation to previously established feed efficiency status!

doi.org/10.3389/fani...

19.12.2025 02:33 👍 1 🔁 0 💬 0 📌 0
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🎶On the 4th day of #microbes, the #rumen gave to me...

Heritable rumen microbes!

In our USDA-NIFA study our group demonstrated host genetics, rumen microbiome, & holobiont effects jointly contribute to feed efficiency!

trace.tennessee.edu/utk_graddiss...

17.12.2025 23:10 👍 1 🔁 0 💬 0 📌 0
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🎶On the 3rd day of #microbes, the #rumen gave to me...

Native rumen microbes important for production!

Our group showed performance improvements in Angus heifers via supplementation with native rumen bacteria during high-grain challenge.

doi.org/10.1038/s415...

17.12.2025 01:59 👍 0 🔁 0 💬 0 📌 0
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🎶On the 2nd day of #microbes, the #rumen gave to me...

Bacteria impacting heifer development!

Dr. Taylor Seay demonstrated that #rumen and #uterine bacteria are influenced by changes that occur during heifer development.

doi.org/10.3389/fani...

16.12.2025 14:01 👍 0 🔁 0 💬 0 📌 0
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🎶On the 1st day of #microbes, the #rumen gave to me...

Diverse rumen microbes!

Macey Soltis and her #research have demonstrated that the rumen sacs have distinct microbes - important for host-#microbiome interactions!

doi.org/10.3389/fani...

16.12.2025 00:36 👍 1 🔁 0 💬 1 📌 0
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Coming soon…
#scicomm #microbiome #beef

08.12.2025 15:04 👍 1 🔁 0 💬 0 📌 0
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Performance improvements and increased ruminal microbial interactions in Angus heifers via supplementation with native rumen bacteria during high-grain challenge - Scientific Reports Scientific Reports - Performance improvements and increased ruminal microbial interactions in Angus heifers via supplementation with native rumen bacteria during high-grain challenge

Exciting work from our group and Native Microbials in
#ScientificReports!

Performance improvements & increased ruminal microbial interactions in Angus heifers via supplementation with native rumen bacteria during high-grain challenge

doi.org/10.1038/s415...

25.11.2025 16:16 👍 1 🔁 1 💬 0 📌 0
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Frontiers | Molecular and metabolic insights into muscle development and feed efficiency in beef cattle As global demand for animal protein rises, improving feed efficiency in beef cattle has become a central focus for sustainable livestock production. Feed eff...

New work from our group and Sophia Ascolese on molecular and metabolic insights into muscle development and feed efficiency in beef #cattle from our @usdagov.bsky.social funded project!

www.frontiersin.org/journals/ani...

20.11.2025 14:22 👍 0 🔁 1 💬 0 📌 0
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Frontiers | Molecular and metabolic insights into muscle development and feed efficiency in beef cattle As global demand for animal protein rises, improving feed efficiency in beef cattle has become a central focus for sustainable livestock production. Feed eff...

New work from our group and Sophia Ascolese on molecular and metabolic insights into muscle development and feed efficiency in beef #cattle from our @usdagov.bsky.social funded project!

www.frontiersin.org/journals/ani...

20.11.2025 14:22 👍 0 🔁 1 💬 0 📌 0
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Integrating bones and biomes: bringing biological science education to elementary school communities through a tangible learning tool | Journal of Microbiology & Biology Education Biology education in 21st-century U.S. elementary schools faces significant challenges impacting the quality and effectiveness of science instruction. The most recent National Assessment of Educationa...

More work lead by UTEquineProgram's Dr. Jennie Ivey & collab w our group!

Integrating bones & biomes: bringing biological science education to elementary school communities through a tangible learning tool | Journal of Microbiology & Biology Education

journals.asm.org/doi/10.1128/...

19.11.2025 19:59 👍 2 🔁 0 💬 0 📌 0