Tissue-specific Thermal Acclimation
In order to explore whether prior exposure to cool temperatures exacerbates the birds’ response to warm temperatures and affects tissue-specific physiological response rates under temperature fluctuations, our study examined the effects of cool-warm thermal acclimation on metabolic thermogenesis in different tissues of Chinese bulbuls (Pycnonotus sinensis). The findings revealed that the small intestine mass and liver metabolism rapidly decreased on the first day of transfer to a warm environment, while the muscle response to such thermal changes was relatively slow, suggesting tissue-specific differences in the physiological response rates to warm temperatures. These results offer valuable insights into the regulation of diverse biological processes that mediate the physiological adjustments of Chinese bulbuls during seasonal temperature fluctuations.
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