The growth and development, physiological indicators, external grading, disease resistance, reproductive performance of Angus bulls and cows produced by embryo transfer were recorded.

• 对湖北胚胎移植出生的安格斯种牛的生长发育、生理指标、外貌等级、疫病抵抗力、公牛采精性能、母牛的繁殖性能进行了饲养观察、记录和测定。