When the Booroola flock was dispersed in 1965, the CSIRO purchased 91 mixed-age multiple-born ewes and moved their Booroola flock from Deniliquin to Armidale.
In 1965, when the Booroola flock was divided, the CSIRO purchased 91 mixed-age ewes with multiple births and moved them from Deniliquin to Armidale.