and maternal heritabilities averaged 0.30 and 0.07 respectively for birth weight, 0.14 and 0.13 for weaning weight, 0.29 and 0.04 for yearling weight, and 0.32 and 0.04 for 18-month weight, whilst c2 terms averaged 0.05, 0.15, 0.03 and 0.01 respectively