Le Dividich, J., R. Charneca, and F. Thomas. “Relationship Between Birth Order, Birth Weight, Colostrum Intake, Acquisition of Passive Immunity and Pre-Weaning Mortality of Piglets”. Spanish Journal of Agricultural Research, Vol. 15, no. 2, July 2017, p. e0603, doi:10.5424/sjar/2017152-9921.