YouTube: Energetic costs of performance in trained and untrained Anolis carolinensis lizards [SHORT COMMUNICATION]

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Energetic costs of performance in trained and untrained Anolis carolinensis lizards [SHORT COMMUNICATION] May 22nd 2018, 09:31, by YouTube Simon P. Lailvaux, Andrew Z. Wang, and Jerry F. Husak The energetic costs of performance constitute a non-trivial component of animals’ daily energetic budgets. However, we currently lack an understanding of how those costs are partitioned among the various stages of performance development, maintenance, and production. We manipulated individual investment in performance by training Anolis carolinensis lizards for endurance or sprinting ability. We then measured energetic expenditure both at rest and immediately following exercise to test whether such training alters the maintenance and production costs of performance. Trained lizards had lower resting metabolic rates than controls, suggestive of a maintenance saving associated with enhanced performance as opposed to a cost. Production costs also differed, with sprint-trained lizards incurring the largest energetic performance cost and experiencing the longest recovery times compared to endurance trained and control animals. Although performance training modifies metabolism, production costs are probably the key drivers of trade-offs between performance and other life-history traits in this species. Energetic costs of performance in trained and untrained Anolis carolinensis lizards [SHORT COMMUNICATION] Source: http://jeb.biologists.org/cgi/content/short/jeb.176867v1?rss=1   © Copyright 1994, All Rights Reserved,       Consumer Credit Counseling Service Colorado Consumer Credit Counseling Service Colorado call (800) 254-4100 Posted by Consumer Credit Counseling Colorado call 800 254-4100 on Sunday, March 25, 2018

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