Biography

Dr. Jong-Su Eun

Dept. of Animal, Dairy, and Veterinary Sciences

Utah State University, USA

Associate Professor for Ruminant Nutrition


Email:[email protected]


Qualifications

2002,Ph.D., Animal Science (Minor: Nutrition), North Carolina State University, USA 

1996,M.S., Dairy Science, Virginia Tech, USA 

1993,B.S., Dairy Science, Konkuk University, Seoul, Korea


Research Fields

 Metabolic and feed efficiency and animal health by enhancing forage utilization by cattle

 Manipulation of ruminal fermentation and its contribution to enhancing ruminant production

 Development of feeding strategies to improve environmental performance of ruminants

 Enhancement of bioactive compounds on bovine milk and meat 


Publications (selected)

  1. Min, B. R., C. Wright, P. Ho, J.-S. Eun, N. Gurung, and R. Shange. 2014. The effect of phytochemical tannins-containing diet on rumen fermentation characteristics and microbial diversity dynamics in goats using 16S rDNAampliconpyrosequencing. Agriculture, Food and Analytical Bacteriology. [manuscript accepted (ID: AFAB 14-7 R.2) and in press] 
  2. Min, B. R., Y. Uyeno, S.-Y. Yang, and J.-S. Eun. 2014. REVIEW: Effects of Phytochemical Plant Tannins on Nutrition and Gut Microbiome Diversity in Ruminants. Agriculture, Food and Analytical Bacteriology. (manuscript submitted and in review process) 
  3. Eun, J.-S.*, A. W. Kelley, K. Neal, A. J. Young, and J. O. Hall. Effects of altering alfalfa hay quality when feeding steam-flaked versus high-moisture corn grain on ruminal fermentation and lactational performance of dairy cows. [manuscript accepted (ID: JDS-14-8425.R2) and in press] 
  4. Lee, S.-M., L. Guan, J.-S. Eun, C.-H. Lee, S. J. Kim, E. T. Lee, and S. S. Lee. The effect of anaerobic fungal inoculation on the fermentation characteristics of rice straw silages. J. Appl. Microbiol. [manuscript (ID: JAM-2014-1478) accepted and in press] 
  5. Neal, K., J.-S. Eun*, A. J. Young, and K. Mjoun. 2014. Feeding protein supplements in high-forage lactation diets increases dairy profitability by improving nutrient utilization, lactational performance, and feed efficiency of dairy cows. J. Dairy Sci. [manuscript accepted (ID: JDS-14-8033.R2) and in press] 
  6. Noviandi, C. T., J.-S. Eun*, M. D. Peel, B. L. Waldron, B. R. Min, D. R. ZoBell, and R. L. Miller. 2014. Effects of energy supplementation in pasture forages on in vitro ruminal fermentation characteristics in continuous cultures. Prof. Anim. Sci. 30:13–22. 
  7. Noviandi, C. T., K. Neal, J.-S. Eun*, M. D. Peel, B. L. Waldron, D. R. ZoBell, and B. R. Min. 2014. Effects of grass-legume mixed pasture forages with different composition ratios on microbial fermentation in continuous cultures. Prof. Anim. Sci. 30:23–32. 
  8. Min, B-R., S. Solaiman, R. Shange, and J.-S. Eun. Gastrointestinal bacterial and methanogenic archaea diversity dynamics associated with 2 condensed tannins-containing pine bark diet in goats using 16S rDNAampliconpyrosequencing. Int. J. Microbiol. 2014 (article ID 141909).
  9. Holt, M. S., K. Neal, J.-S. Eun*, A. J. Young, J. O. Hall, and K. E. Nestor Jr. 2013. Corn silage hybrids and quality of alfalfa hay affect dietary nitrogen utilization by early lactating dairy cows. J. Dairy Sci. 96:6564–6576. 
  10. Holt, M. S., J.-S. Eun*, A. J. Young, X. Dai, and K. E. Nestor. 2013. Effects of feeding brown midrib corn silage with a high dietary concentration of alfalfa hay on lactational performance of Holstein dairy cows for 180 days-in-milk. J. Dairy Sci. 96:515–523. 
  11. Eun, J.-S.*, T. Z. Davis, J. M. Vera, D. N. Miller, K. E. Panter, and D. R. ZoBell. 2013. Addition of high concentration of inorganic selenium in grass hay does not interfere with microbial fermentation in mixed ruminal microorganisms in continuous cultures. Prof. Anim. Sci. 29:39–45. 
  12. Noviandi, C. T., B. L. Waldron, J.-S. Eun*, D. R. ZoBell, and M. D. Peel. 2012. Growth performance, ruminal fermentation profiles, and carcass characteristics of beef steers grazing tall fescue without or with nitrogen fertilization. Prof. Anim. Sci. 28:519–527. 
  13. Min, B. R., S. Solaiman, N. Gurung, J. Behrends, J.-S. Eun, E. Taha, and J. Rose. 2012. Effects of pine bark supplementation on performance, rumen fermentation, and carcass characteristics of Kiko crossbred male goats. J. Anim. Sci. 90:3556–3567.
  14. Noviandi, C. T., R. E. Ward, D. R. ZoBell, R. D. Stott, B. L. Waldron, M. D. Peel, and J.-S. Eun*. 2012. Fatty acid composition in adipose tissue of pasture- and feedlot-finished beef steers. Prof. Anim. Sci. 28:184–193.
  15. Vera, J. M., A. H. Smith, D. R. ZoBell, A. J. Young, and J.-S. Eun*. 2012. Effects of an exogenous proteolytic enzyme on growth performance of beef steers and in vitro ruminal fermentation in continuous cultures. Prof. Anim. Sci. 28:452–463. 
  16. Dschaak, C. M., C. T. Noviandi, J.-S. Eun*, V. Fellner, A. J. Young, D. R. ZoBell, and C. E. Israelsen. 2011. Ruminal fermentation, milk fatty acid profiles, and productive performance of Holstein dairy cows fed 2 different safflower seeds. J. Dairy Sci. 94:5138–5150. 
  17. King, C. C., C. M. Dschaak, J.-S. Eun*, V. Fellner, and A. J. Young. 2011. Quantitative analyses of ruminal fermentation characteristics under normal or high fermentative temperature in continuous cultures. Prof. Anim. Sci. 27:319–327. 
  18. Williams, C. M., J.-S. Eun*, J. W. MacAdam, A. J. Young, V. Fellner, and B. R. Min. 2011. Effects of forage legumes containing condensed tannins on methane and ammonia production in continuous cultures of mixed ruminal microorganisms. Anim. Feed Sci. Technol. 166–167:364– 372. 
  19. Dschaak, C. M., C. M. Williams, M. S. Holt, J.-S. Eun*, A. J. Young, and B. R. Min. 2010. Effects of supplementing condensed tannin extract on intake, digestion, ruminal fermentation, and milk production of lactating dairy cows. J. Dairy Sci. 94:2508–2519.
  20. Dschaak, C. M., J.-S. Eun*, A. J. Young, R. D. Stott, and S. Peterson. 2010. Effects of supplementation of natural zeolite on intake, digestion, ruminal fermentation, and lactational performance of dairy cows. Prof. Anim. Sci. 26:647–654. 
  21. Holt, M. S., C. M. Williams, C. M. Dschaak, J.-S. Eun*, and A. J. Young. 2010. Effects of corn silage hybrids and dietary nonforage fiber sources on feed intake, digestibility, ruminal fermentation, and productive performance of lactating Holstein dairy cows. J. Dairy Sci. 93:5397–5407. 
  22. Williams, C. M., J.-S. Eun*, C. M. Dschaak, J. W. MacAdam, B. R. Min, and A. J. Young. 2010. CASE STUDY: In vitro ruminal fermentation characteristics of birdsfoot trefoil (Lotus corniculatus L.) hay in continuous cultures. Prof. Anim. Sci. 26:570–576. 
  23. Waldron, B. L., J.-S. Eun, D. R. ZoBell, and K. C. Olson. 2010. Review: Forage kochia for fall and winter grazing. Small Rumin. Res. 91:47–55. 
  24. Dschaak, C. M., J.-S. Eun*, A. J. Young, and J. W. Bergman. 2010. Nutritive merit of whole Nutrasaff safflower seed when fed to Holstein dairy cows during midlactation. Anim. Feed Sci. Technol. 156:26–36. 
  25. Eun, J.-S.*, D. R. ZoBell, and R. D. Wiedmeier. 2009. Influence of replacing barley grain with corn-based dried distillers grains with solubles on production and carcass characteristics of growing and finishing beef steers. Anim. Feed Sci. Technol. 152:72–80. 


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