aPercent of animals that have had stillbirths, aborted fetuses, or infant mortality less than 6 months old in pregnancies prior to 2012.bSame as a, but during 2012 breeding season when samples were co
aPercent of animals that have had stillbirths, aborted fetuses, or infant mortality less than 6 months old in pregnancies prior to 2012. bSame as a, but during 2012 breeding season when samples were c
