Conversion formulae for breed: Holstein
Conversion formulae for: United states (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =     100.8744 +     3.4153 * USA
chest width                    : NLD =      97.4420 +     3.2160 * USA
body depth                     : NLD =     100.0773 +     3.8494 * USA
angularity                     : NLD =     101.7112 +     2.6898 * USA
rump angle                     : NLD =      96.3582 +     3.4510 * USA
rump width                     : NLD =      99.7432 +     3.3213 * USA
rear leg set side              : NLD =     100.8659 +     3.1852 * USA
rear leg set rear              : NLD =      95.3173 +     2.2381 * USA
foot angle                     : NLD =      98.7912 +     2.9274 * USA
fore udder attachment          : NLD =     101.2937 +     3.2059 * USA
rear udder height              : NLD =     101.9794 +     2.6997 * USA
udder support                  : NLD =     102.0589 +     2.8823 * USA
udder depth                    : NLD =     101.0551 +     3.3910 * USA
front teat placement           : NLD =     101.0588 +     3.5235 * USA
front teat length              : NLD =      98.8556 +     3.4530 * USA
rear teat placement            : NLD =     102.7511 +     3.1915 * USA
overall udder                  : NLD =     101.8802 +     3.7006 * USA
overall feet and legs          : NLD =      93.8270 +     2.3430 * USA
locomotion                     : NLD =      94.9900 +     2.0844 * USA
body condition score           : NLD =      96.0593 +    -2.7231 * USA
 
Formulae for PRODUCTION
 
milk yield                     : NLD =     389.2186 +     0.8641 * USA
fat yield                      : NLD =       7.4772 +     0.9042 * USA
protein yield                  : NLD =      -0.7351 +     1.0061 * USA
 
Formulae for LONGEVITY
 
longevity                      : NLD =      45.1456 +    98.9070 * USA
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =     155.9668 +   -18.8396 * USA
udder health                   : NLD =      99.1617 +     1.5687 * USA
 
Formulae for FERTILITY
 
heifer conception rate         : NLD =     102.3923 +     1.7692 * USA
conception rate                : NLD =     101.2065 +     1.2068 * USA
interval 1st-last insem        : NLD =     100.3636 +     1.0701 * USA
calving interval               : NLD =      99.1958 +     1.1946 * USA
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =     100.3350 +   -46.7014 * USA
maternal calving ease          : NLD =     100.9642 +   -24.0071 * USA
direct stillbirth              : NLD =      33.5479 +   -37.3914 * USA
maternal stillbirth            : NLD =      58.1717 +   -25.4161 * USA
ges                            : NLD =      99.8926 +     3.5715 * USA