Reproductive biology of the Booroola Merino sheep.


This paper reviews the genetic and physiological characteristics of the Booroola Merino, one of the four most prolific sheep breeds in the world, and which was acquired by CSIRO in 1958 from a commercial sheep property, 'Booroola', Cooma, N.S.W. The exceptional prolificacy of this genotype--e.g. mean flock ovulation rate in 1982 of 4.2 (range 1-10) and mean… (More)