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Table 9: Results from model selection on space use (proportion use of lower half of enclosure) among domestic tame animals using the AIC criterion (Np is number of parameters).

Model Treatment Day Transmission load Treatment Day Treatment Transmission load Np AIC AIC weight 1 3 78.8 0.00000 2 x 4 75.7 0.00000 3 x x 5 71.9 0.00000 4 x x 5 50.3 0.00000 5 x x x 6 32.2 0.00000 6 x x x x 7 0.00 0.67918 7 x x x x 7 26.9 0.00000 8 x x x x x 8 1.50 0.32082