Try link to:Similars in:
Scholtz, A.J., Cloete, S.W.P., Van Wyk, J.B., Misztal, I., du Toit, E. & Van der Linde, T.C.de K., 2010a. Genetic (co)variances between wrinkle score and absence of breech strike in mulesed and unmulesed Merino sheep, using a threshold model. Anim. Prod. Sci. 50, 203-209.