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Table 4

Best model set descriptions and extracted values for the intensity of each parasite species. In bold: significant effect (p-value < 0.05) of the predictor in each model.

Parasite intensity (response variable) Best model Significant parameters in the model selected Estimate ± SE z- or t-value p-value
GI strongyles (n = 826) Null Intercept 3.62 ± 0.14 25.04 <0.001
Age 0.07 ± 0.03 2.11 0.04
Sex (Male) 0.08 ± 0.07 1.22 0.22
Body mass −0.36 ± 0.03 −10.55 <0.001
Julian date −0.04 ± 0.03 −1.04 0.30
Trichuris sp. (n = 809) Sector Intercept 4.43 ± 0.20 21.83 <0.001
Age −0.14 ± 0.05 −2.91 0.004
Sex (Male) 0.19 ± 0.10 1.90 0.06
Body mass −0.77 ± 0.05 −16.13 <0.001
Julian date −0.001 ± 0.05 −0.02 0.98
Sector (P) 0.15 ± 0.10 1.51 0.13
Eimeria spp. (n = 536) Null Intercept 4.60 ± 0.16 28.56 <0.001
Age −0.27 ± 0.07 −3.72 <0.001
Sex (Male) 0.04 ± 0.14 0.30 0.76
Body mass −0.44 ± 0.07 −6.12 <0.001
Julian date −0.07 ± 0.07 −0.95 0.34
Protostrongylids (n = 325) Null Intercept 0.59 ± 0.09 6.42 <0.001
Age −0.09 ± 0.04 −2.12 0.03
Sex (Male) −0.05 ± 0.08 −0.67 0.51
Body mass −0.29 ± 0.04 −7.19 <0.001
Julian date 0.07 ± 0.04 1.81 0.07

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