Validation of complementary non-invasive tools for stress assessment in spotted paca (<i>Cuniculus paca</i>)
نویسندگان
چکیده
Abstract Monitoring the concentration of glucocorticoid metabolites (GCMs) in faecal samples is a non-invasive tool for physiological stress evaluation, particularly useful when studying wild species. However, both negative and positive stimuli (distress eustress, respectively) can lead to rise glucocorticoids. Thus, besides validating whether GCM faeces reflects endogenous adrenal activity, we also need identify behavioural indicators distress avoid misinterpretation. Therefore, submitted four adult male spotted pacas ( Cuniculus paca ) an exogenous adrenocorticotropic hormone (ACTH) challenge-test Latin square design (4 × 4) monitor changes faeces. We aimed describe behaviours potentially indicative distress. collected excreted video-recorded animals’ five consecutive days, one day before days after application following treatments: 1st control (no-handling); 2nd (intra-muscular [IM] injection saline solution); low-dose ACTH (IM 0.18 ml ACTH); high-dose 0.37 ACTH). There was peak 24 h treatment. Additionally, independent treatments, spent less time on exploration feeding states, while spending more inactive but awake (IBA) state treatment (challenge day). The use together with (less feeding, IBA) showed be efficient as welfare assessment farmed paca.
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ژورنال
عنوان ژورنال: Animal Welfare
سال: 2023
ISSN: ['2054-1538', '0962-7286']
DOI: https://doi.org/10.1017/awf.2023.49