Citation

Mann TLJ , Ponzoni RW Polkinghorne RW (1980) Response to partial selection on clean fleece weight in South Australian strong-wool Merino sheep. V. Estimation of genetic gain by contemporary comparison of progeny of sires two years apart in age. Crop and Pasture Science 31, 1029-1035.

https://doi.org/10.1071/AR9801029