From the wool production characters the greasy wool production, clean wool production and mean fibre diameter were of interest.
V. Jakubec, J. Křižek 1988, 'Breeding and exploitation of prolific breeds in Czechoslovakia', Agricultural and Food Sciencehttps://journal.fi/afs/article/view/72331. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)