Publications

Genomes of rumen bacteria encode atypical pathways for fermenting hexoses to short-chain fatty acids.
Hackmann TJ, Ngugi DK, Firkins JL, Tao J.
Environ Microbiol. 2017. In press. doi: 10.1111/1462-2920.13929
PMID: 28892251

Genomic diversification of giant enteric symbionts reflects host dietary lifestyles.
Ngugi DK, Miyake S, Cahill M, Vinu M, Hackmann TJ, Blom J, Tietbohl MD, Berumen ML, Stingl U.
Proc Natl Acad Sci U S A. 2017. In press. doi: 10.1073/pnas.1703070114
PMID: 28835538

Ruminal bacteria and protozoa composition, digestibility and amino acid profile determined by multiple hydrolysis times.
Fessenden SW, Hackmann TJ, Ross D, Foskolos A, Van Amburgh MA.
J Dairy Sci. 2017. 100:7211-7226. doi: 10.3168/jds.2016-12531
PMID: 28668529

Association of aqueous hydrogen concentration with methane production in continuous cultures modulated to vary pH and solids passage rate.
Wenner BA, De Souza J, Batistel F, Hackmann TJ, Firkins JL.
J Dairy Sci. 2017. 100:5378-89. doi: 10.3168/jds.2016-12332
PMID: 28456412

Comparing the responses of rumen ciliate protozoa and bacteria to excess carbohydrate.
Teixeira C, Lana R, Tao J, Hackmann TJ.
FEMS Microbiol Ecol. 2017. 93:fix064. doi: 10.1093/femsec/fix060
PMID: 28486619

Effects of the dose and viability of Saccharomyces cerevisiae. 1. Diversity of ruminal microbes as analyzed by Illumina MiSeq sequencing and quantitative PCR.
Jiang Y, Ogunade IM, Qi S, Hackmann TJ, Staples CR, Adesogan AT.
J Dairy Sci. 2017. 100:325-342. doi: 10.3168/jds.2016-11263.
PMID: 27837973

Transport of a fluorescent analogue of glucose (2-NBDG) versus radiolabeled sugars by rumen bacteria and Escherichia coli.
Tao J, Diaz RK, Teixeira CR, Hackmann TJ.
Biochemistry. 2016. 55:2578-89. doi: 10.1021/acs.biochem.5b01286.
PMID: 27096355

α-Galactosylceramide protects swine against influenza infection when administered as a vaccine adjuvant.
Artiaga BL, Yang G, Hackmann TJ, Liu Q, Richt JA, Salek-Ardakani S, Castleman WL, Lednicky JA, Driver JP.
Sci Rep. 2016. 6:23593. doi: 10.1038/srep23593.
PMID:  27004737

Electron transport phosphorylation in rumen butyrivibrios: unprecedented ATP yield for glucose fermentation to butyrate.
Hackmann TJ, Firkins JL.
Front Microbiol. 2015. 6:622. doi: 10.3389/fmicb.2015.00622.
PMID: 26157432

Maximizing efficiency of rumen microbial protein production.
Hackmann TJ, Firkins JL.
Front Microbiol. 2015. 6:465. doi: 10.3389/fmicb.2015.00465.
PMID: 26029197

Targeted disruption of CD1d prevents NKT cell development in pigs.
Yang G, Artiaga BL, Hackmann TJ, Samuel MS, Walters EM, Salek-Ardakani S, Driver JP.
Mamm Genome. 2015. 26:264-70. doi: 10.1007/s00335-015-9564-0.
PMID: 25930071

Accumulation of reserve carbohydrate by rumen protozoa and bacteria in competition for glucose.
Denton BL, Diese LE, Firkins JL, Hackmann TJ.
Appl Environ Microbiol. 2015. 81:1832-8. doi: 10.1128/AEM.03736-14.
PMID: 25548053

Quantifying the responses of mixed rumen microbes to excess carbohydrate.
Hackmann TJ, Diese LE, Firkins JL.
Appl Environ Microbiol. 2013. 79:3786-95. doi: 10.1128/AEM.00482-13.
PMID: 23584777

Evaluation of methods to detect changes in reserve carbohydrate for mixed rumen microbes.
Hackmann TJ, Keyser BL, Firkins JL.
J Microbiol Methods. 2013. 93:284-91. doi: 10.1016/j.mimet.2013.03.025.
PMID: 23570905

A system for predicting energy and protein requirements of wild ruminants.
Hackmann TJ.
Zoo Biol. 2011. 30:165-88. doi: 10.1002/zoo.20332.
PMID: 20549760

Invited review: ruminant ecology and evolution: perspectives useful to ruminant livestock research and production.
Hackmann TJ, Spain JN.
J Dairy Sci. 2010. 93:1320-34. doi: 10.3168/jds.2009-2071. Review.
PMID: 20338409

Using Yb-labeled forage to investigate particle flow kinetics across sites in the bovine reticulo-rumen.
Hackmann TJ, Sampson JD, Spain JN
Anim Feed Sci Tech. 2010. 157:1-12. doi: 10.1016/j.anifeedsci.2009.12.002
PMID:  NA

Variability in in situ ruminal degradation parameters causes imprecision in estimated ruminal digestibility.
Hackmann TJ, Sampson JD, Spain JN.
J Dairy Sci. 2010. 93:1074-85. doi: 10.3168/jds.2008-1958.
PMID: 20172229

A mechanistic model for predicting intake of forage diets by ruminants.
Hackmann TJ, Spain JN.
J Anim Sci. 2010. 88:1108-24. doi: 10.2527/jas.2008-1378.
PMID: 19854989

Effects of Tasco in alleviation of heat stress in beef cattle.
Williams JE, Spiers DE, Thompson LN, Hackmann TJ, Ellersieck MR, Wax L, Colling DP, Corners JB, Lancaster PA.
Prof Anim Sci. 2009. 25:109-17. doi: 10.15232/S1080-7446(15)30693-8
PMID:  NA

Comparing relative feed value with degradation parameters of grass and legume forages.
Hackmann TJ, Sampson JD, Spain JN.
J Anim Sci. 2008. 86:2344-56. doi: 10.2527/jas.2007-0545.
PMID: 18441075

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