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  • Title: Daily running trials increase sprint speed in endangered lizards (Gallotia simonyi).
    Author: González-Ortega C, Mesa-Avila G, Suárez-Rancel M, Rodríguez-Domínguez MA, Molina-Borja M.
    Journal: Behav Processes; 2021 Dec; 193():104509. PubMed ID: 34547378.
    Abstract:
    Due to increasing number of animal species in danger of extinction, captive breeding of individuals has become a necessary procedure for many recovery programs. As specimens born and raised in captivity during several generations may not develop some behavioral and performance aptitudes properly, several types of training are useful to apply before releasing them into the wild. We present here the results of experiments aiming to detect the effect of daily running trials in young males of the endangered lizard (Gallotia simonyi) from El Hierro (Canary Islands). We made individuals run in a racetrack twice every day, for five days a week between the end of July and the end of September. We filmed all running trials and calculated running speed for each individual dividing the distance run by the time used. Running speed did not correlate with body condition of the lizards but there was variation in running speeds of some individuals with similar body conditions. Running speed of lizards used in the experiments significantly increased along the whole trial period. By contrast, mean running speed did not change significantly in a control group, participating twice in running trials, one at the beginning and the other at the end of the experimental period. From these results we suggest that locomotor training contributed to increasing final running speeds of experimental lizards.
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