2006
DOI: 10.2527/2006.8451238x
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Thermal balance of cattle grazing winter range: Model application1

Abstract: Beef cattle grazing semiarid foothill rangeland of the Northern Rockies during winter may be exposed to cold temperatures and high winds while grazing pastures with low nutritional value. Cattle can physiologically and behaviorally respond to the changing environment to lower their metabolic requirements and reduce the effects of cold exposure. Requirements of grazing cattle may be overpredicted with models developed in controlled settings that do not account for energy-conserving behaviors. We refined a simpl… Show more

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Cited by 20 publications
(6 citation statements)
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“…At subfreezing temperatures the efficiency at which a biological entity utilizes RAD differs from that under hot conditions, due to body orientation, surface contact, and so on; thus adjustments to temperature for RAD are slightly greater per unit of radiation under the coldest conditions (Keren and Olson, 2006). However, the total adjustment will be much less under cold conditions due to the limited amount of RAD provided (e.g., winter conditions).…”
Section: Resultsmentioning
confidence: 98%
“…At subfreezing temperatures the efficiency at which a biological entity utilizes RAD differs from that under hot conditions, due to body orientation, surface contact, and so on; thus adjustments to temperature for RAD are slightly greater per unit of radiation under the coldest conditions (Keren and Olson, 2006). However, the total adjustment will be much less under cold conditions due to the limited amount of RAD provided (e.g., winter conditions).…”
Section: Resultsmentioning
confidence: 98%
“…The thermal environment is the physical environment that directly affects the heat dissipation process of the animal body and is closely related to the metabolic heat and thermoregulation process (Keren and Olson, 2006). The temperature determines the convective heat transfer temperature difference between the surface of the animal body and environment, affecting the convective heat transfer.…”
Section: Effects Of Environmental Factors On Cold Stress In Dairy Cowsmentioning
confidence: 99%
“…Behavioral changes in dairy cows are a response to external stress and are used to adjust imbalances in the body caused by physiological factors (Vaculiková et al, 2017;Shepley and Vasseur, 2021). When a cow is under prolonged cold stress, the cow will also act accordingly to maintain a constant body temperature (Redbo et al, 2001;Keren and Olson, 2006). Additionally, behavioral characteristics are also an outward indication of the health of the cow (Fournel et al, 2017).…”
Section: Correlation Analysis Of Behavioral Characteristics and Cold ...mentioning
confidence: 99%
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“…Most desert shrubland ranches showed flat to gently sloping topography where tall bushes and trees are scarce. Under these conditions, cattle cannot protect themselves against hot and cold weather, which are important factors in animal welfare, behaviour and productivity (Sprinkle & Holloway, 2000; Keren & Olson, 2006). The dominant breeds of cattle in the study sites are Bos taurus.…”
Section: Resultsmentioning
confidence: 99%