M. Chrystal

Heritabilities of teat end shape and teat diameter and their relationships with somatic cell score.

L B Hansen, L. Hansen, M A Chrystal, 1999, Journal of dairy science.

Heritability of teat-end shape and the relationship of teat-end shape with somatic cell score for an experimental herd of cows.

L. Hansen, A. E. Freeman, M. Healey, 2001, Journal of dairy science.