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Fig. 6. Rate of oxygen consumption as a function of (A) partial dynamic body
acceleration in the x and z axes
(PDBAxz) and (B) heart rate across a range of behaviours
in a single bantam chicken (ID 73C5). In each case, data were recorded while
the chicken walked on a treadmill (filled squares), ate a meal of food pellets
(filled triangles), digested the meal of food pellets (open triangles) or
thermoregulated (open squares). Data shown in (C) and (D) are the same as in
(A) and (B), respectively, but with the x-axis displayed as a
logarithmic scale.