RBD, JD and FTD absolute AS across 15, 20, 25 and 30°C. AS Mass Covariate data accommodated for the impact of mass on MO2 and was analysed via mixed effects model and Tukey HSD test (P < 0.05; n = 14). Individual points represent mean ± SEM. Statistical differences can be found in Tables 1, 2 & 3.