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View article: Community wellbeing moderates drought adaptation in South African rangelands
Community wellbeing moderates drought adaptation in South African rangelands Open
Climate change is triggering diverse responses from communities across environmental and socioeconomic contexts. In African rangelands, selling livestock is critical for adapting to changes in environmental conditions. As these decisions f…
View article: Community Wellbeing Mediates Drought Adaptation in South African Rangelands
Community Wellbeing Mediates Drought Adaptation in South African Rangelands Open
Climate change is triggering a diverse set of adaptive responses from communities across environmental and socioeconomic contexts. In African rangelands, selling livestock is critical for responding to changes in local environmental condit…
View article: The effect of dietary niacin deficiency on reproduction of European brown hares: An experimental study
The effect of dietary niacin deficiency on reproduction of European brown hares: An experimental study Open
Large plots of maize in agricultural landscapes are associated with reduced reproductive output of females and impaired population development of free-living populations of European brown hares ( Lepus europaeus , Pallas 1778). We investig…
View article: Immobilization of Captive Kulans (Equus hemionus kulan) Without Using Ultrapotent Opioids
Immobilization of Captive Kulans (Equus hemionus kulan) Without Using Ultrapotent Opioids Open
Etorphine is widely used in zoological medicine for the immobilization of large herbivores. All reported immobilization protocols for kulans use etorphine as the primary immobilizing agent. However, etorphine can trigger severe side effect…
View article: Effect of season and diet on heart rate and blood pressure in female red deer (Cervus elaphus) anaesthetised with medetomidine-tiletamine-zolazepam
Effect of season and diet on heart rate and blood pressure in female red deer (Cervus elaphus) anaesthetised with medetomidine-tiletamine-zolazepam Open
Temperate zone ungulates like red deer ( Cervus elaphus ) show pronounced seasonal acclimatisation. Hypometabolism during winter is associated with cardiovascular changes, including a reduction in heart rate ( f H ) and temporal peripheral…
View article: Direct arterial blood pressure and heart rate data measured in anaesthetised red deer during two different seasons
Direct arterial blood pressure and heart rate data measured in anaesthetised red deer during two different seasons Open
The data set includes 4 CSV files. The files contains systolic (File 1), mean (File 2) and diastolic (File 3) arterial blood pressure as well as heart rate (File 4) values measured in anaesthetised red deer (Cervus elaphus) during two diff…
View article: Cardiovascular effects of intravenous vatinoxan in wild boars ( <i>Sus scrofa</i> ) anaesthetised with intramuscular medetomidine‐tiletamine‐zolazepam
Cardiovascular effects of intravenous vatinoxan in wild boars ( <i>Sus scrofa</i> ) anaesthetised with intramuscular medetomidine‐tiletamine‐zolazepam Open
Background The potent sedative medetomidine is a commonly used adjunct for the immobilisation of non‐domestic mammals. However, its use is associated with pronounced cardiovascular side effects, such as bradycardia, vasoconstriction and de…
View article: Investigation of cardiorespiratory effects of the selective 5‐HT4 agonist BIMU‐8 in etorphine‐immobilised goats ( <i>Capra aegagrus hircus</i> ) in a randomized, blinded and controlled trial
Investigation of cardiorespiratory effects of the selective 5‐HT4 agonist BIMU‐8 in etorphine‐immobilised goats ( <i>Capra aegagrus hircus</i> ) in a randomized, blinded and controlled trial Open
Background: Opioid‐induced respiratory compromise remains a significant challenge in etorphine‐immobilised wildlife. Serotonergic agonists offer a potential avenue for preventing or treating opioid‐induced respiratory compromise. We theref…
View article: Using applied physiology to better manage and conserve the white rhinoceros (Ceratotherium simum)
Using applied physiology to better manage and conserve the white rhinoceros (Ceratotherium simum) Open
The white rhinoceros (Ceratotherium simum), one of five remaining rhinoceros species, is particularly sensitive to etorphine, the opioid drug used for chemical capture. As a result, capture often results in morbidity and mortality. With th…
View article: Increased Diurnal Activity Is Indicative of Energy Deficit in a Nocturnal Mammal, the Aardvark
Increased Diurnal Activity Is Indicative of Energy Deficit in a Nocturnal Mammal, the Aardvark Open
Shifting activity to cooler times of day buffers animals from increased heat and aridity under climate change. Conversely, when resources are limited, some nocturnal species become more diurnal, reducing energetic costs of keeping warm at …
View article: Use of butorphanol and diprenorphine to counter respiratory impairment in the immobilised white rhinoceros (Ceratotherium simum)
Use of butorphanol and diprenorphine to counter respiratory impairment in the immobilised white rhinoceros (Ceratotherium simum) Open
Opioid-induced immobilisation results in severe respiratory impairment in the white rhinoceros. It has therefore been attempted in the field to reverse this impairment with the use of opioid agonist-antagonists, such as nalorphine, nalbuph…
View article: Scaling of morphology and ultrastructure of hearts among wild African antelope
Scaling of morphology and ultrastructure of hearts among wild African antelope Open
The hearts of smaller mammals tend to operate at higher mass-specific mechanical work rates than those of larger mammals. The ultrastructural characteristics of the heart that allow for such variation in work rate still is largely unknown.…
View article: Tremors in white rhinoceroses (<i>Ceratotherium simum</i>) during etorphine–azaperone immobilisation
Tremors in white rhinoceroses (<i>Ceratotherium simum</i>) during etorphine–azaperone immobilisation Open
Little is known about the mechanisms causing tremors during immobilisation of rhinoceros and whether cardiorespiratory supportive interventions alter their intensity. Therefore, we set out to determine the possible mechanisms that lead to …
View article: Getting to the core: Internal body temperatures help reveal the ecological function and thermal implications of the lions’ mane
Getting to the core: Internal body temperatures help reveal the ecological function and thermal implications of the lions’ mane Open
It has been proposed that there is a thermal cost of the mane to male lions, potentially leading to increased body surface temperatures ( T s ), increased sperm abnormalities, and to lower food intake during hot summer months. To test whet…
View article: Improved homeothermy and hypothermia in African lions during gestation
Improved homeothermy and hypothermia in African lions during gestation Open
Mammals use endogenously produced heat to maintain a high and relatively constant core body temperature ( T b ). How they regulate their T b during reproduction might inform us as to what thermal conditions are necessary for optimal develo…
View article: A structure-function analysis of the left ventricle
A structure-function analysis of the left ventricle Open
This study presents a structure-function analysis of the mammalian left ventricle and examines the performance of the cardiac capillary network, mitochondria, and myofibrils at rest and during simulated heavy exercise. Left ventricular ext…