by Eppard, P.J., Veenhuizen, J.J., Cole, W.J., Comens-Keller, P.G., Hartnell, G.F., Hintz, R.L., Munyakazi, L., Olsson, P.K., Sorbet, R.H., White, T.C., Baile, C.A., Collier, R.J., Goff, J.P., Horst, R.L.
Published in Journal of dairy science (01.12.1996)