# positions[].organizations[].parent[].label
College of Agriculture and Life Sciences

# overview
Dr. Kothmann's  research is focused on developing models for ranchers to utilize in planning, monitoring and evaluating grazing management. He is also exploring the use of Bayesian belief networks as probabilistic expert systems for decision analysis in natural resources management.

# keywords[]
30 Agricultural, Veterinary And Food Sciences

# keywords[]
30 Agricultural, Veterinary And Food Sciences

# keywords[]
3002 Agriculture, Land And Farm Management

# keywords[]
30 Agricultural, Veterinary And Food Sciences

# educationAndTraining[].organization.label
Texas A&M University - (College Station, Texas, United States)

# educationAndTraining[].organization.label
Utah State University - (Logan, Utah, United States)

# educationAndTraining[].organization.label
Texas A&M University - (College Station, Texas, United States)

# publications[].label
Phenology, Carbohydrate Reserves and Nutrient Content of Heath Aster

# publications[].label
A simple ecological sustainability simulator (SESS) for stocking rate management on semi-arid grazinglands

# publications[].label
DIETS OF SHEEP, ANGORA GOATS, SPANISH GOATS AND WHITE-TAILED DEER UNDER EXCELLENT RANGE CONDITIONS

# publications[].label
Economic implications of maintaining rangeland ecosystem health in a semi-arid savanna

# publications[].label
A DYNAMIC APPROACH TO GRAZING MANAGEMENT TERMINOLOGY

# publications[].label
DIFFERENTIAL GRAZING USE OF HERBICIDE-TREATED AREAS BY CATTLE

# publications[].label
Structure and causes of vegetation change in state and transition model applications

# publications[].label
AN ECONOMIC-EVALUATION OF SIMULATED BIOLOGICAL PRODUCTION OF BEEF-CATTLE

# publications[].label
COW-CALF MANAGEMENT ALTERNATIVES FOR THE TEXAS COASTAL PRAIRIE

# publications[].label
Rangeland ecosystems in the Great Plains: Status and management

# publications[].label
EVALUATING MANAGEMENT ALTERNATIVES WITH A BEEF-PRODUCTION SYSTEMS-MODEL

# publications[].label
Vegetation Response to Increasing Stocking Rate under Rotational Stocking

# publications[].label
The Use of Brush Management Methods: A Texas Landowner Survey

# publications[].label
NITROGEN-FERTILIZATION OF BAHIAGRASS AND NATIVE VEGETATION

# publications[].label
A COMPARISON OF FRONTAL, CONTINUOUS, AND ROTATION GRAZING SYSTEMS

# publications[].label
MONITORING ANIMAL TRAVEL WITH DIGITAL PEDOMETERS

# publications[].label
COW-CALF RESPONSE TO STOCKING RATES, GRAZING SYSTEMS, AND WINTER SUPPLEMENTATION AT THE TEXAS EXPERIMENTAL RANCH

# publications[].label
Cow-Calf Response to Stocking Rates and Grazing Systems on Native Range (La Produccion de Vacas y Becerros a Differentes Cargas y Sistemas de Pastoreo con Rotacion en Pastizales Naturales)

# publications[].label
Which Direction Is Forward: Perspectives on Rangeland Science Curricula

# publications[].label
Use of irrigated pastures in semi-arid grazinglands: A dynamic model for stocking rate decisions

# publications[].label
OBSERVATIONS ON HERBAGE GROWTH, DISAPPEARANCE, AND ACCUMULATION UNDER LIVESTOCK GRAZING

# publications[].label
An ecological economic simulation model for assessing fire and grazing management effects on mesquite rangelands in Texas

# publications[].label
COLLECTING, DRYING, AND PRESERVING FECES FOR CHEMICAL AND MICROHISTOLOGICAL ANALYSIS

# publications[].label
QUALITY AND BOTANICAL COMPOSITION OF CATTLE DIETS UNDER ROTATIONAL AND CONTINUOUS GRAZING TREATMENTS

# publications[].label
Effect of molecular weight and concentration of legume condensed tannins on in vitro larval migration inhibition of Haemonchus contortus.

# publications[].label
FORAGE AVAILABILITY AND CATTLE DIETS ON TEXAS COASTAL PRAIRIE

# publications[].label
Effect of molecular weight of condensed tannins from warm-season perennial legumes on ruminal methane production in vitro

# publications[].label
DIET SELECTION BY CATTLE UNDER HIGH-INTENSITY LOW-FREQUENCY, SHORT DURATION, AND MERRILL GRAZING SYSTEMS

# publications[].label
MONITORING HEIFER TRAVEL WITH DIGITAL PEDOMETERS

# publications[].label
Quantitative prediction of feed intake in ruminants I. Conceptual and mathematical analysis of models for sheep

# publications[].label
Which Direction Is Forward: Perspectives on Rangeland Science Curricula

# publications[].label
Volatile oil contents of ashe and redberry juniper and its relationship to preference by Angora and Spanish goats

# publications[].label
POTASSIUM CONTENT OF 3 GRASS SPECIES DURING WINTER

# publications[].label
Influence of Rootplowing and Seeding on Composition and Forage Production of Native Grasses (La Influencia del Arado Desenraizador Sobre la Produccion y Composicion de los Zacates Nativos)

# publications[].label
SITE RELATIONS, REGROWTH CHARACTERISTICS, AND CONTROL OF LOTEBUSH WITH HERBICIDES

# publications[].label
Application of a simple ecological sustainability simulator (SESS) as a management tool in the semi-arid rangelands of northeastern Mexico

# publications[].label
Viewpoint: New Approaches and Protocols for Grazing Management Research

# publications[].label
Vegetation response to increasing stocking rate under rotational stocking

# publications[].label
Rotational Grazing on Rangelands: Synthesis and Recommendations

# publications[].label
Quantitative prediction of feed intake in ruminants II. Conceptual and mathematical analysis of models for cattle

# publications[].label
DRYING METHOD CHANGES CHEMICAL COMPOSITION OF ESOPHAGEAL SAMPLES

# publications[].label
A mathematically and conceptually unified approach to grazing- management terminology.

# publications[].label
CHEMICAL COMPOSITION OF ESOPHAGEAL-FISTULA FORAGE SAMPLES AS INFLUENCED BY DRYING METHOD AND SALIVARY LEACHING

# publications[].label
Intake of ashe juniper and live oak by angora goats

# publications[].label
A FORAGE DYNAMICS MODEL FOR USE IN RANGE OR PASTURE ENVIRONMENTS

# publications[].label
WINTER NUTRITION FOR COW-CALF OPERATION IN TEXAS-GULF-COAST

# publications[].label
Evaluating expert knowledge: Plant species responses to cattle grazing and fire

# publications[].label
THE IMPACT OF GRAZING SYSTEMS ON THE MAGNITUDE AND STABILITY OF RANCH INCOME IN THE ROLLING PLAINS OF TEXAS

# publications[].label
Benefits of multi-paddock grazing management on rangelands: Limitations of experimental grazing research and knowledge gaps

# publications[].label
Redesigning Natural Resources Curricula: A Redesign Process Model at Texas A&M University

# publications[].label
Range Site and Grazing System Influence Regrowth after Spraying Honey Mesquite

# publications[].label
DIET COMPOSITION OF ANGORA-GOATS IN A SHORT-DURATION GRAZING SYSTEM

# publications[].label
Adaptive management of stocking rates to reduce effects of drought on cow-calf production systems in semi-arid rangelands

# publications[].label
VARIABILITY IN PREDICTING EDIBLE BROWSE FROM CROWN VOLUME

# publications[].label
MODELING DIET SELECTION AND INTAKE FOR GRAZING HERBIVORES

# publications[].label
CATTLE AND SHEEP DIETS UNDER SHORT-DURATION GRAZING

# publications[].label
Best linear unbiased prediction of herbivore preferences

# publications[].label
RELATIONSHIP OF DISTANCE TRAVELED WITH DIET AND WEATHER FOR HEREFORD HEIFERS

# publications[].label
COW-CALF PRODUCTION WITH ALTERNATIVE GRAZING SYSTEMS

# publications[].label
CALIBRATING A DIET SELECTION MODEL FOR SHEEP GRAZING RANGELANDS

# publications[].label
An international terminology for grazing lands and grazing animals

# publications[].label
A 2-STEP SAMPLING TECHNIQUE FOR ESTIMATING STANDING CROP OF HERBACEOUS VEGETATION

# publications[].label
NUTRIENT CONTENT AND UTILIZATION OF HEATH ASTER

# publications[].label
A DURABLE LIVESTOCK EXCLOSURE FOR HERBAGE PRODUCTION AND UTILIZATION SAMPLING

# publications[].label
Quantitative prediction of feed intake in ruminants III. Comparative example calculations and discussion

# publications[].label
EFFICIENCY OF FORAGE HARVEST BY GRAZING CATTLE

# publications[].label
NUTRITIVE CONTENT OF SHEEP, GOAT, AND WHITE-TAILED DEER DIETS ON EXCELLENT CONDITION RANGELAND IN TEXAS

# publications[].label
VEGETATION RESPONSE TO INCREASED STOCKING RATES IN SHORT-DURATION GRAZING

# publications[].label
NITROGEN CONCENTRATION IN BLOOD AND RUMEN LIQUOR OF CATTLE FED LOW PROTEIN DIETS

# publications[].label
The use of brush management methods: A Texas landowner survey

# publications[].label
Rotational Grazing and the Profession and Practice of Rangeland Management

# publications[].label
Nutrient Content of Forage Ingested in the Morning Compared to Evening

# publications[].label
The Use of Brush Management Methods: A Texas Landowner Survey

# publications[].label
Molecular weight and protein-precipitating ability of condensed tannins from warm-season perennial legumes

# researcherOn[].label
Rangeland Management Courses for U.S. Forest Service Range Permittees

# researcherOn[].awardedBy.label
United States Department of Agriculture - (Washington D.C., District of Columbia, United States)

# streetAddress
TEXAS A&M AGRILIFE RESEARCH; Ecosystem Science & Management; 2126 TAMU

# schools[]
College of Agriculture and Life Sciences

# etdChairOf[].label
Dube, Sikhalazo (2006-08). A model for adaptive livestock management on semi-arid rangelands in Texas. Doctoral Dissertation.