A description of unique fluorescent yellow pigments in penguin feathers

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Noninvasive monitoring of adrenocortical activity in carnivores by fecal glucocorticoid analyses

Measurement of glucocorticoid metabolites in feces has become an accepted method for the noninvasive evaluation of adrenocortical activity. The objective of this study was to determine if a simple cortisol enzyme immunoassay (EIA) was suitable for monitoring adrenocortical activity in a variety of carnivore species. Performance of the cortisol EIA was gauged by comparison to […]

Effect of a cage divider permitting social stimuli on stress and food intake in rats

The need to obtain data from individual laboratory animals has forced many researchers to singly-house small animals. This is costly to the researcher and isolation can adversely affect animal physiology and behavior which in turn may threaten the validity and generalization of experiment results to humans. We assessed the practical use of a housing device […]