Least-squares means (± S.E.M) for weight, crown rump length, and thoracic girth at birth, and weight at Day 41 of life and weaning of ewes born as singles or twins to mature ewes or ewe lambs.

Least-squares means (± S.E.M) for weight, crown rump length, and thoracic girth at birth, and weight at Day 41 of life and weaning of ewes born as singles or twins to mature ewes or ewe lambs.本数据集给出了由成年母羊与青年母羊（母羔）所产单胎、双胎母羊的各项指标的最小二乘均值（Least-squares means，±S.E.M），涵盖其出生时体重、冠臀长（crown rump length）、胸围（thoracic girth），以及出生后第41天与断奶时的体重。