 The Booroola Merino was started by Jack and Dick Seears of Booroola, Cooma using ewes from their Egelabra flock that gave multiple-births.The Seears gave the CSIRO a quintuplet ram in 1958, another in 1959 and a sextuplet ewe in 1960.In 1958, the CSIRO purchased 12 ewes (triplets or quadruplets) and a ewe who had given birth to triplets.