Characteristics of AGM pregnant and control samples.

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 collected.cNumber of animals (percent of animals in parentheses) for which we collected a sample during Trimester 1 (110 days), at parturition check-in (5–10 days after parturtion), and 2–6 months postpartum.dNumber in parentheses indicates percent of total pregnancy samples collected during indicated trimester.e7 animals (60–53 = 7) were sampled twice during T3.Characteristics of AGM pregnant and control samples.