Walker, John
individual record
Agrilife Center Director
Positions:
- Agrilife Center Director, San Angelo Research and Extension Center, Texas A&M AgriLIFE Extension, Texas A&M AgriLife Research
education and training
- Ph.D. in Range Science, Texas A&M University - (College Station, Texas, United States) 1988
selected publications
Academic Articles67
- Walker, J. W., Shoemake, B. M., Quadros, D. G., Thorne, J. W., & Cahill, N. C. (2023). Selecting goats for juniper consumption did not improve their liver Phase I detoxification.. Journal of Animal Science. 101, skad180.
- Seidel, D. S., Walker, J. W., Musser, J. M., Whitney, T. R., & Callaway, T. R. (2022). Impact of camphor on the in vitro mixed ruminal microorganism fermentation from goats selected for consumption of low and high levels of Juniperus spp. 1.. Translational Animal Science. 6(3), txac097.
- Seidel, D. S., Walker, J. W., Musser, J. M., Lourenco, J. M., Welch, C. B., Whitney, T. R., & Callaway, T. R. (2022). Impact of concentrations of camphor on the in vitro mixed ruminal microorganism fermentation from goats selected for consumption of low and high levels of Juniperus spp.-2.. Translational Animal Science. 6(3), txac098.
- Wilcox, B. P., Fuhlendorf, S. D., Walker, J. W., Twidwell, D., Ben Wu, X., Goodman, L. E., Treadwell, M., & Birt, A. (2022). Saving imperiled grassland biomes by recoupling fire and grazing: a case study from the Great Plains. Frontiers in Ecology and the Environment. 20(3), 179-186.
- Walker, J. W., & Kronberg, S. L. (2022). Nature, nurture, and vegetation management: Studies with sheep and goats.. Animal. 16(1), 100434-100434.
- Leite, P., Wilcox, B. P., McInnes, K. J., & Walker, J. W. (2021). Applicability of soil moisture sensors for monitoring water dynamics in rock: A field test in weathered limestone. Vadose Zone Journal. 20(6),
- Altangerel, N., Ashley, C., Hemmer, P. R., Kraemer, D., Scully, M. O., Walker, J. W., & Quadros, D. G. (2021). Raman spectroscopy of fresh feces is a practical tool for identifying animal species and estimating diet characteristics. Animal Feed Science and Technology. 281, 115081-115081.
- Walker, J. W., Pope, R., & Pfeiffer, F. A. (2021). On-farm testing of FibreLux Micron Meter and OFDA2000 compared to Sirolan Laserscan in the laboratory. Small Ruminant Research. 200, 106401-106401.
- Tolleson, D. R., Welsh, T. H., & Walker, J. W. (2020). Metabolic and endocrine indicators in male goats differing in genetic propensity to consume juniper.. Journal of Animal Science. 98(Supplement_2), 32-33.
- Tolleson, D. R., Welsh, T. H., Garza, N., Hollingsworth, K., & Walker, J. W. (2020). Proportional tissue weights in male goats differing in genetic propensity to consume juniper.. Journal of Animal Science. 98(Supplement_2), 33-34.
Chapters1
- Muir, J. P., Butler, T. J., & Ocumpaugh, W. R. (2005). Pastoral systems in marginal environments, Proceedings of a satellite workshop of the XXth International Grassland Congress, July 2005, Glasgow, Scotland. Milne, J. A. (Eds.), Pastoral Systems in Marginal Environments: Proceedings of a Satellite Workshop of the XXth International Grassland Congress, July 2005, Glasgow, Scotland. 107-79. Wageningen Academic Publishers.
Conference Papers5
- Moody, J. N., Redden, R., Pfeiffer, F. A., Pope, R., & Walker, J. W. (2021). Using near infrared reflectance spectroscopy to predict lab scoured yield in Rambouillet sheep. Journal of Animal Science. 99, 303-303.
- Seidel, D. S., Whitney, T. R., Walker, J. W., & Callaway, T. (2019). Alterations in caprine ruminal microorganism fermentation over time using camphor in vitro. Journal of Animal Science. 97, 399-399.
- Walker, J. W., Pope, R., & Preiffer, F. A. (2019). Evaluation of average fiber diameter measurements by FibreLux micron meter and OFDA2000. Journal of Animal Science. 97, 459-460.
- Lupton, C. J., Pfeiffer, F. A., Ramsey, W. S., Salisbury, M. W., Waldron, D. F., Walker, J. W., & Willingham, T. D. (2010). Comparison of Rambouillet sheep with Australian Merino F1 crosses. Journal of Dairy Science (JDS). 93, 170-170.
- Walker, J. W., & Hodgkinson, K. C. (1999). Grazing management: new technologies for old problems. 424-430.
researcher on
Principal Investigator1
Email
jw-walker@tamu.edu
First Name
John
Last Name
Walker
mailing address
TEXAS A&M AGRILIFE RESEARCH; San Angelo; 9999 TAMUS
San Angelo, TX 76901
USA