An epidemiological investigation into the association between biomarkers and growth performance in nursery pigs

BMC Veterinary Research

Table 4 Characteristics associated with the weight of pigs at 9 weeks of age (model 1)

Variable	Coefficient^a	SE	95% CI	Pvalue
Weight at weaning	1.670	0.128	1.419, 1.920	<0.001
Age at weaning	-0.226	0.069	-0.361, -0.090	0.001
Sex	0.524	0.424	-0.307, 1.356	0.217
Parity of sow	0.072	0.097	-0.117, 0.262	0.455
Stillbirths per litter	0.290	0.248	-0.197, 0.777	0.243
Live births per litter	-0.102	0.093	-0.285, 0.081	0.274

SE standard error, CI confidence interval.
^aThe predicted change in body weight (kg) at 9 weeks of age if the corresponding variable is increased by one unit (ie. the model predicts a decrease of 0.226 kg in body weight at 9 weeks of age if a pig is weaned one day later).

ISSN: 1746-6148