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Because of their ubiquity, plasticity, and direct effects on the nervous system, markers of oxidative status may be of great value to assess animal welfare across species and conditions in the wild. However, welfare biologists have not yet seized this opportunity, possibly because the validity of these markers as welfare indicators remains questionable. A validation process was, therefore, performed...
Affective states, such as emotions, are presumably widespread across the animal kingdom because of the adaptive advantages they are supposed to confer. However, the study of the affective states of animals has thus far been largely restricted to enhancing the welfare of animals managed by humans in non‐natural contexts. Given the diversity of wild animals and the variable conditions they can experience,...
The regulation of oxidative status is critical because fluctuations in the production of aerobic by-products relative to the antioxidant capacity of the organism can have strong fitness consequences. Towards this end, organisms can use endogenous antioxidant defences, which are efficient at combating oxidative attacks but may be costly and need time to be activated. As food items vary in their antioxidant...
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