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. 2006 Jul 28;273(1602):2771–2776. doi: 10.1098/rspb.2006.3645

Table 3.

Analysis of variance for the effects of maternal antibody status (fixed) and gender (fixed) on body mass and head width of study animals at weaning (at the age of 20 days) and at the age of 60 days. (The weight and head width at birth and weaning were used as covariant for the body mass and the width of head at weaning and at the age of 60 days, respectively. At weaning and at the age of 60 days, the mother (random, nested within MatAb status) and the study enclosure (random), respectively, were used as additional independent variables.) MS, mean square.

source of variation MS Fd.f. p-value
body mass at weaning
 MatAb status 2.084 0.5911,46.6 0.446
 gender 0.550 1.3571,111 0.247
 weight at birth 9.334 23.0241,111 0.000
width of head at weaning
 MatAb status 0.382 1.9101,46 0.174
 gender 0.062 2.2801,111 0.134
 head width at birth 0.268 9.8791,111 0.002
body mass at 60 days of age
 MatAb status 1.755 0.2331,48.5 0.631
 gender 0.786 0.2181,29 0.644
 weight at weaning 1.893 0.5251,29 0.475
head width at 60 days of age
 MatAb status 0.042 0.6521,48 0.423
 gender 0.003 0.1061,29 0.747
 head width at weaning 0.275 9.0761,29 0.005