- Animal Behavior and Welfare Studies
- Thermoregulation and physiological responses
- Wildlife Ecology and Conservation
- Climate Change and Health Impacts
- Bat Biology and Ecology Studies
- Effects of Environmental Stressors on Livestock
- Veterinary Equine Medical Research
- Infrared Thermography in Medicine
- Physiological and biochemical adaptations
- Fish Ecology and Management Studies
- Metabolomics and Mass Spectrometry Studies
- Meat and Animal Product Quality
- Cardiovascular and exercise physiology
- Turtle Biology and Conservation
- Respiratory Support and Mechanisms
- Winter Sports Injuries and Performance
- Building Energy and Comfort Optimization
- Adipose Tissue and Metabolism
- Sports Performance and Training
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Marine animal studies overview
- Sports injuries and prevention
- Cephalopods and Marine Biology
Dillard University
2022-2024
University of the West Indies System
2013-2020
Indiana State University
2009-2013
Louisiana State University in Shreveport
1996-2003
Body mass is the primary determinant of an animal's energy requirements. At their optimum walking speed, large animals have lower mass-specific requirements for locomotion than small ones. In ranging in size from 0.8 g (roach) to 260 kg (zebu steer), minimum cost transport (COT(min)) decreases with increasing body roughly as COT(min)∝body (M(b))(-0.316±0.023) (95% CI). Typically, variation COT(min) weaker at intraspecific level a result physiological and geometric similarity within closely...
Gigantic size presents both opportunities and challenges in thermoregulation. Allometric scaling relationships suggest that gigantic animals have difficulty dissipating metabolic heat. Large body permits the maintenance of fairly constant core temperatures ectothermic by means gigantothermy. Conversely, gigantothermy combined with endothermic rate activity likely results heat production rates exceed loss rates. In tropical environments, it has been suggested a substantial storage might...
Abstract This study sought to quantify the rate of energy expenditure ( ), total cost transport (COT tot ) and net in camels Camelus dromedaries donkeys Equus asinus during level locomotion. domestic were measured at exercise speeds between 0 4.17 m s −1 . Resting for was significantly P <0.05) lower than predicted, while exhibited resting values similar mammals same body mass. In both increased a nearly linear fashion over range speeds. The minimum COT walking pacing gaits not different...
The objectives of this study were twofold: first, to develop noninvasive techniques for measuring the thermal characteristics materials commonly used in construction zoological exhibits; and second, use these compare a portion Audubon Zoo's sea lion exhibit before after renovations completed 1993. We characterized environment enclosures by diurnal measurements two primary heat gain components, longwave shortwave radiation. Measurements wet coats showed that they absorbed 91.6% all types...
Abstract The purpose of this study was to quantify the thermal microclimate provided by a shade structure in African elephant enclosure at Zoo Atlanta. hypothesis that interior weather instrument shelter (a Stevenson screen) would provide maximum environmental shielding and coolest possible ambient conditions without artificial heating or cooling. inside screen were compared with shaded nonshaded sections exhibit extremes under conditions. reduced radiant heat load 766 W m −2 . 278 , which...
The objective of this pilot study was to quantify and describe the effect shell cover color on solar absorptance, a1 (%; mean ± SD) temperature cricket helmet covers, Thsc (°C; during exposure a hot outdoor environment (WBGT 32.5 1.9 °C; ACSM Heat Index Black; Extreme Danger STOP). We measured recorded in yellow, red black helmets using micro-solarimeter. Thermographic imaging used differential . Variations had statistically significant (p<0.0002) 2-fold At end 30-minute trials,...
Measurements of rate oxygen consumption (VO 2 ) recorded during controlled exercise is used to assess cardiovascular health in test individuals. In low- or middle-income countries, where Mycobacterium tuberculosis common and older VO systems are use, three specific preventative measures should be place prevent the transmission tuberculosis. These include: (1) disinfecting reusable plastic masks rubber tubing with bleach solution; (2) limiting maximum exposure individuals Cl gas <1–3 ppm...