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Fig. 5. Statistical analysis of data shown in
Fig. 4. CO2 emission
by each batch of eggs was fitted by the logistic curve (see text for details).
(A) Fitted values of the coefficient K (filled diamonds) and
calculated emission rates (µg mol1 h1)
from the fitted model (coefficients given in
Table 4) for temperatures of 16
(solid squares) and 38°C (open circles). K depends on ambient
PO2 by the relationship:
K=15.1+0.85PO2
(r2=0.71; F1,10=24.3,
P<0.001). Calculated emission rates at 38°C depend on ambient
PO2 by the relationship:
CO2
(38°C)=15.4+0.65 PO2
(r2=0.70; F1,10=23.6,
P<0.001). Calculated emission rates at 16°C were not
significantly related to ambient oxygen (F1,10=0.05,
P=0.82). (B) Residual variation about the model fitted to the
emission trace from each batch of eggs.