Noise exposure-induced stress response and its measurement methods
Noise,as an unavoidable stress(pressure)source in the modem life,affects animals in many ways,both behaviorally and physiologically.Behavioral changes may be driven by changes in hormone secretion in animals.When animals face with noise stress,the neuroendocrine systems,mainly the hypothalamic-pituitary-adrenal(HPA)axis,are activated,which promotes the secretion and release of stress hormones,and then leads to a series of behavioral changes.The behavioral changes can be easily observed,but the changes in physiological indicators such as hormone levels need to be accurately measured.Currently,many studies have measured the variations of stress hormone levels in animals under different noise conditions.Taking glucocorticoid as an example,this paper summarizes the different measurement methods of stress hormones,especially the non-invasive measurement methods,and compares the advantages and shortcomings of them.It provides a variety of measurement choices for the study of related issues,and also helps us to further understand the sources of animal stress,in order to provide a better habitat for animals.
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