education and training
- Ph.D. in Range Science, Texas A&M University - (College Station, Texas, United States) 1988
selected publications
Academic Articles67
- Stewart, W. C., Whitney, T. R., Scholljegerdes, E. J., Naumann, H. D., Cherry, N. M., Muir, J. P., ... Estell, R. E. (2015). Effects of Juniperus species and stage of maturity on nutritional, in vitro digestibility, and plant secondary compound characteristics.. Journal of Animal Science. 93(8), 4034-4047.
- Walker, J. W., Waldron, D. F., Campbell, E. S., Taylor, C., Lupton, C. J., & Landau, S. (2013). Intermediate Periodicities in Juniper Consumption and Sampling Strategies to Estimate the Diet of Free-Grazing Goats. 66(2), 209-215.
- Frost, R., Walker, J., Madsen, C., Holes, R., Lehfeldt, J., Cunningham, J., ... Sullivan, J. (2012). Targeted Grazing: Applying the Research to the Land. Rangelands. 34(1), 2-10.
- Glasser, T. A., Landau, S. Y., Ungar, E. D., Perevolotsky, A., Dvash, L., Muklada, H., Kababya, D., & Walker, J. W. (2012). Foraging selectivity of three goat breeds in a Mediterranean shrubland. Small Ruminant Research. 102(1), 7-12.
- Surber, L., Rude, M. E., Roeder, B. L., Mosley, T. K., Grove, A. V., Walker, J. W., & Kott, R. W. (2011). Percent Spotted Knapweed (Centaurea stoebe) in the Diets of Grazing Sheep. Invasive Plant Science and Management. 4(1), 95-101.
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