http://diss-epsilon.slu.se/archive/1347/01/Albertsd%C3%B2ttir_21.pdf
It says about breeding:
A unique breeding assessment system was established in 1950 with a
scoring index for registration of individual traits on a linear scale; the
traits are
judged in breeding field-tests (Árnason
this system has undergone continuous development where marketing
objectives, among other things, are considered; affecting what traits
are included in the breeding objectives and their weighting
proportions.
Sounds like a moving target.
And if for no other reason (and there are plenty
