Relationship between piglets’ survivability and farrowing kinetics in hyper-prolific sows

Table 10 Multivariable model of Sow’s parity and cumulative birth interval on stillbirth occurrence. 1152 piglets born from 58 sows were included in this analysis. Mummified piglets were not included

Variable	Stillbirth occurrence (yes/no)
	Estimate	SEM	Confidence interval		Adjusted R²
	Estimate	SEM	Lower limit	Upper limit	Adjusted R²
Intercept	−3.30	0.26	−3.87	2.80	0.26
Sow’s parity	0.12	0.05	0.02	0.22
Cumulative birth interval (min)	0.004	0.001	0.003	0.006

This analysis was performed with 1152 piglets born from 58 sows. Mummified piglets were not included
Sow was considered as a random variable in this statistical model

ISSN: 2055-5660