Benjamin D. Enger, PhD

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Assistant Professor

enger.5@osu.edu

330-263-3801

Office:

143 Gerlaugh Hall

Wooster, OH 44691

Professional Information

Degrees & Credentials:

Ph.D., Virginia Tech, Dairy Science, 2018

M.S., Washington State University, Animal Science, 2014

B.S., University of Idaho, Animal and Veterinary Science, 2012

Research Area(s):

Dairy

Mastitis and Mammary Physiology

Biography:

Dr. Enger is an Assistant Professor in the Department of Animal Sciences with an 80% research and 20% teaching appointment. Originally from the western US, Dr. Enger received his bachelor’s at the University of Idaho and his master’s from Washington State University before moving to Virginia to complete a doctorate in Dairy Science.

Dr. Enger conducts both applied and basic research in mastitis and mammary physiology and was previously awarded a USDA fellowship to support his research endeavors. He has previously evaluated abatement practices used to control mastitis and as well as in vivo cow experiments to understand how the bovine mammary gland responds to mastitis. These research efforts have sought to understand how mastitis affects mammary growth and development which is expected to impact the cow’s lifetime milk production. There are two main components to Dr. Enger’s laboratory, microbiology and histology. These two parts focus on evaluating mastitis pathogens through milk culture and examining mammary tissues using various chemical and immunohistochemical microscopy techniques. Dr. Enger is an active member of both the American Dairy Science Association and the National Mastitis Council.

Works

Selected Journal Articles:

Enger, B.D., S.C. Nickerson, H.L.M. Tucker, C.L.M. Parsons, and R.M. Akers. 2019. Apoptosis and proliferation in Staphylococcus aureus challenged, non-lactating mammary glands stimulated to rapidly grow and develop with estradiol and progesterone. J. Dairy Sci. (In Press).

Enger, B.D., C.E. Crutchfield, T.T. Yohe, K.M. Enger, S.C. Nickerson, C.L.M. Parsons, and R.M. Akers. 2018. Staphylococcus aureus intramammary challenge in non-lactating mammary glands stimulated to rapidly grow and develop with estradiol and progesterone. Vet. Res. 49:47.

Lowe, J.L., L.K. Fox, B.D. Enger, A. Adams Progar, and J.M. Gay. 2018. Effect of atmospheric carbon dioxide concentration on the cultivation of bovine Mycoplasma species. J. Dairy Sci. 101:4660-4666.

Yohe, T.T., B.D. Enger, L. Wang, H.L.M. Tucker, C.A. Ceh, C.L.M. Parsons, Z. Yu, and K.M. Daniels. 2018. Short Communication: Does early-life administration of a Megaspharea elsdenii probiotic affect long-term establishment of the organism in the rumen and alter rumen metabolism in the dairy calf? J. Dairy Sci. 101:1747-1751.

Enger, B.D., R.R. White, S.C. Nickerson, and L.K. Fox. 2016. Identification of factors influencing teat dip efficacy trial results by meta-analysis. J. Dairy Sci. 99:9900–9911. Editor’s Choice Article.

Enger, B.D., L.K. Fox, J.M. Gay, K.A. Johnson. 2015. Reduction of teat skin mastitis pathogen loads: Differences between strains, dips, and contact times. J. Dairy Sci. 98:1354-1361.

Works

Journal Articles

Enger, B.D.; Middleton, J.R., "Letter to the Editor: Comments on "Mammary microbial dysbiosis leads to the zoonosis of bovine mastitis: a One-Health perspective" by Maity and Ambatipudi." FEMS Microbiol Ecol 97 8 (2021)

Enger, K.M.; Hardy, N.R.; Hist, E.M.; Enger, B.D., "Relationship between intramammary infection and antibody concentrations in Jersey and Holstein colostrum" Journal of Dairy Science 104 5 (2021) 6124-6133-6124-6133

Hardy, N.R.; Enger, K.M.; Hanson, J.; Eastridge, M.L. et al., "Organization of mammary blood vessels as affected by mammary parenchymal region and estradiol administration in Holstein heifer calves" Journal of Dairy Science 104 5 (2021) 6200-6211-6200-6211

Enger, B.D.; Lehner, S.N.; Parsons, C.L.M.; Akers, R.M. et al., "Effects of intramammary infection and parenchymal region on collagen abundance in nonlactating bovine mammary glands" Applied Animal Science 36 5 (2020) 688-693-688-693

Enger, B.D.; Nickerson, S.C.; Akers, R.M.; Moraes, L.E. et al., "Use of commercial somatic cell counters to quantify somatic cells in non-lactating bovine mammary gland secretions" Preventive Veterinary Medicine 174 (2020)

Enger, B.D., "INVITED REVIEW: Reevaluating how mastitis reduces milk yield: Discussion of competitive substrate utilization" Applied Animal Science 35 4 (2019) 408-415-408-415

Yohe, T.T.; Schramm, H.; White, R.R.; Hanigan, M.D. et al., "Form of calf diet and the rumen. II: Impact on volatile fatty acid absorption." Journal of Dairy Science 102 (2019) 8502-8512-8502-8512

Yohe, T.T.; Schramm, H.; Parsons, C.L.M.; Tucker, H.L.M. et al., "Form of calf diet and the rumen. I: Impact on growth and development." Journal of Dairy Science 102 (2019) 8486-8501-8486-8501

Enger, B.D.; Tucker, H.L.M.; Nickerson, S.C.; Parsons, C.L.M. et al., "Effects of Staphylococcus aureus intramammary infection on the expression of estrogen receptor α and progesterone receptor in mammary glands of nonlactating cows administered estradiol and progesterone to stimulate mammary growth" Journal of Dairy Science 102 3 (2019) 2607-2617-2607-2617

Enger, B.D.; Nickerson, S.C.; Tucker, H.L.M.; Parsons, C.L.M. et al., "Apoptosis and proliferation in Staphylococcus aureus-challenged, nonlactating mammary glands stimulated to grow rapidly and develop with estradiol and progesterone" Journal of Dairy Science 102 1 (2019) 857-865-857-865

Enger, B.D.; Crutchfield, C.E.; Yohe, T.T.; Enger, K.M. et al., "Staphylococcus aureus intramammary challenge in non-lactating mammary glands stimulated to rapidly grow and develop with estradiol and progesterone" Veterinary Research 49 1 (2018)

Lowe, J.L.; Fox, L.K.; Enger, B.D.; Progar, A.A. et al., "Effect of atmospheric carbon dioxide concentration on the cultivation of bovine Mycoplasma species" Journal of Dairy Science 101 5 (2018) 4660-4666-4660-4666

Yohe, T.T.; Enger, B.D.; Wang, L.; Tucker, H.L.M. et al., "Short communication: Does early-life administration of a Megasphaera elsdenii probiotic affect long-term establishment of the organism in the rumen and alter rumen metabolism in the dairy calf?" Journal of Dairy Science 101 2 (2018) 1747-1751-1747-1751

Enger, B.D.; White, R.R.; Nickerson, S.C.; Fox, L.K., "Identification of factors influencing teat dip efficacy trial results by meta-analysis" Journal of Dairy Science 99 12 (2016) 9900-9911-9900-9911

Enger, B.D.; Fox, L.K.; Gay, J.M.; Johnson, K.A., "Reduction of teat skin mastitis pathogen loads: Differences between strains, dips, and contact times" Journal of Dairy Science 98 2 (2015) 1354-1361-1354-1361

Conferences

Enger, B.D., "Contemplating the energetic consequences of bovine mastitis" 28th Annual Tri-State Dairy Nutrition Conference 2019.

Enger, B.D., "Mastitis in dairy heifers: The damage we cannot see" 58th Annual Meeting of the National Mastitis Council 2019.

Benjamin D. Enger, PhD

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Works

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Benjamin D. Enger, PhD

Profile Tabs

Professional Information

Works

Journal Articles

Conferences