by Giles, L.R, Lorschy, M.L, Bray, H.J, Black, J.L
Published in Progress in pig science (1998)

by Black, J.L, Davies, G.T, Bray, H.J, Giles, L.R, Chapple, R.P
Year of Publication 1995

by Bray, H.J, Giles, L.R, Black, J.L. (University of Sydney, Camden, NSW (Australia). Dept. of Animal Science)
Year of Publication 1994