J. Walker

发表

Foraging selectivity of three goat breeds in a Mediterranean shrubland

A. Perevolotsky, E. Ungar, S. Landau, 2012 .

Fecal NIRS prediction of dietary protein percentage and in vitro dry matter digestibility in diets ingested by goats in Mediterranean scrubland

A. Perevolotsky, E. Ungar, S. Landau, 2005 .

Calibrating fecal NIRS equations for predicting botanical composition of diets.

K. Launchbaugh, J. Powell, J. Walker, 2002 .

Intermediate Periodicities in Juniper Consumption and Sampling Strategies to Estimate the Diet of Free-Grazing Goats

C. Lupton, Charles A. Taylor, S. Landau, 2013 .

Development of a contagious ecthyma vaccine for goats.

Charles A. Taylor, I. Tizard, J. Musser, 2008, American journal of veterinary research.

Sire Influence on Juniper Consumption by Goats

C. Scott, Charles A. Taylor, C. Ellis, 2005 .

Learning Through Foraging Consequences: A Mechanism of Feeding Niche Separation in Sympatric Ruminants

S. Kronberg, John W. Walker, J. Walker, 2007 .

Bowen ratio versus canopy chamber CO2 fluxes on sagebrush rangeland

N. Saliendra, J. Hendrickson, Douglas A. Johnson, 2003 .

Effects of feeding ground redberry juniper (Juniperus pinchotii) to gestating ewes on pre- and postpartum performance, serum metabolites and hormones, milk fatty acid composition, and progeny preweaning performance

E. Scholljegerdes, D. Hallford, T. Whitney, 2017 .

Comparison of sheep and goat preferences for leafy spurge

S. Kronberg, N. West, John W. Walker, 1994 .

Effects of origin, experiences early in life, and genetics on bitterweed consumption by sheep

C. Scott, R. Frost, J. Walker, 2003 .

Ruminal metabolism of leafy spurge in sheep and goats: A potential explanation for differential foraging on spurge by sheep, goats, and cattle

S. Kronberg, John W. Walker, J. Walker, 1993, Journal of Chemical Ecology.

Sheep preference for leafy spurge from Idaho and North Dakota.

S. Kronberg, John W. Walker, J. Walker, 1999 .

Comparison leafy spurge of sheep and goat preferences for

S. Kronberg, N. West, J. Walker, 1998 .

Training lambs to be weed eaters: Studies with leafy spurge

P. Hatfield, H. Glimp, J. Walker, 1992 .

Ruminal fermentation characteristics of goats selectively bred to have greater consumption of juniper foliage

E. Scholljegerdes, John W. Walker, T. Whitney, 2019, Animal Feed Science and Technology.

Effects of Supplementation on Juniper Intake by Goats

C. Lupton, Charles A. Taylor, S. Landau, 2007 .

Managing leafy spurge with livestock

J. Walker, 1992 .

Breed and maternal effects on the intake of tannin-rich browse by juvenile domestic goats (Capra hircus)

A. Perevolotsky, E. Ungar, S. Landau, 2009 .

Duck viral enteritis (duck plague) in North American Waterfowl

L. N. Locke, L. Leibovitz, C. M. Herman, 1968 .

Effect of Previous Experience on Grazing Patterns and Diet Selection of Brangus Cows in the Chihuahuan Desert

D. Bailey, Milt G. Thomas, Doug Tolleson, 2010 .

Evaluation of pedometers for measuring distance traveled by cattle on two grazing systems

R. Heitschmidt, S. Dowhower, J. Walker, 1985 .

Some effects of a rotational grazing treatment on cattle grazing behavior.

R. Heitschmidt, J. Walker, 1989 .

When Less May Mean More: Studies on Range Versus Shed Lambing In a Cold Desert Shrub Ecosystem1

S. Kronberg, H. Essig, H. Glimp, 1993 .

One-Seed Juniper Sapling Use by Goats in Relation to Stocking Density and Mixed Grazing With Sheep

A. Cibils, R. Estell, John W. Walker, 2010 .

Some effects of a rotational grazing treatment on cattle preference for plant communities.

R. Heitschmidt, S. Dowhower, J. Walker, 1989 .

14- vs. 42-Paddock rotational grazing: aboveground biomass dynamics, forage production, and harvest efficiency.

R. Heitschmidt, S. Dowhower, J. Walker, 1987 .

Saving imperiled grassland biomes by recoupling fire and grazing: a case study from the Great Plains

X. Wu, D. Twidwell, B. Wilcox, 2021, Frontiers in Ecology and the Environment.

European ceramics and the elusive “Cittie of Raleigh”

John W. Walker, R. Skowronek, J. Walker, 1993 .

Comparing the captec bolus to chromic oxide dosed twice daily using sheep in confinement.

P. Hatfield, H. Glimp, J. Walker, 1991 .

Synthesis Paper: Targeted Livestock Grazing: Prescription for Healthy Rangelands

D. Bailey, J. Hendrickson, A. Cibils, 2019, Rangeland Ecology and Management.

Some effects of a rotational grazing treatment on quantity and quality of available forage and amount of ground litter.

R. Heitschmidt, John W. Walker, S. L. Dowhower, 1987 .

Assessment of Animal-Based Methods Used for Estimating and Monitoring Rangeland Herbivore Diet Composition ☆

P. Barboza, John W. Walker, S. Garnick, 2018, Rangeland Ecology and Management.

Evaluation of mean fiber diameter measurements by FibreLux micron meter and OFDA2000 in Texas and Intermountain west wool

M. Ebert, T. Murphy, W. Stewart, 2018 .

A simulation approach for evaluating field data from grazing trials

R. Heitschmidt, J. Stuth, J. Walker, 1989 .

Nutritional models for grazing animals

J. Walker, D. Idaho, 1993 .

The Application of the Theory of Heterogeneous Dielectrics to Low Surface Area Soil Systems

D. Pearce, J. Walker, W. Hulse, 1973 .

The nature of worldwide geomagnetic disturbances generated by the Starfish explosion of July 9, 1962

A. Harris, John W. Walker, J. Walker, 1966 .

Long‐term trends in streamflow from semiarid rangelands: uncovering drivers of change

B. Wilcox, John W. Walker, Yun Huang, 2008 .

No Major Role for Binding by Salivary Proteins as a Defense Against Dietary Tannins in Mediterranean Goats

A. Perevolotsky, E. Ungar, S. Landau, 2010, Journal of Chemical Ecology.

Fecal NIRS for predicting percent leafy spurge in diets.

D. H. Clark, John W. Walker, J. Walker, 1998 .

Viewpoint: Grazing management and research now and in the next millennium

John W. Walker, J. Walker, 1995 .

Cow/calf production and economic returns from yearlong continuous, deferred rotation and rotational grazing treatments

R. Heitschmidt, J. Conner, W. Pinchak, 1990 .

Quality and botanical composition of cattle diets under rotational and continuous grazing treatments.

R. Heitschmidt, John W. Walker, S. Dowhower, 1989 .

Short Duration Grazing and the Savory Grazing Method in Perspective

R. Heitschmidt, J. Walker, 1983 .

Comparison of Near Infrared Reflectance Spectroscopy and Raman Spectroscopy for Predicting Botanical Composition of Cattle Diets☆

M. Scully, D. Bailey, R. Estell, 2017, Rangeland Ecology and Management.

The use of fecal NIRS to identify levels of consumption of the toxic shrub juniper in a selective breeding program with goats.

C. Scott, C. Lupton, J. Pfister, 2007 .

Sequential analysis of cattle location: Day-to-day movement patterns

D. Bailey, L. Rittenhouse, J. Walker, 1990 .

Effect of Various Grazing Systems on Type and Density of Cattle Trails

R. Heitschmidt, John W. Walker, J. Walker, 1986 .

14-vs. 42-paddock rotational grazing: forage quality.

R. Heitschmidt, John W. Walker, S. L. Dowhower, 1987 .

Targeted Grazing: Applying the Research to the Land

John W. Walker, B. Welling, T. Z. Davis, 2012 .