Conversion formulae for breed: Holstein
Conversion formulae for: New zealand (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =      78.8597 +     7.9454 * NZL
chest width                    : NLD =      96.0065 +     8.8279 * NZL
body depth                     : NLD =      91.3645 +     8.2914 * NZL
rump angle                     : NLD =      96.2520 +    12.7872 * NZL
rump width                     : NLD =      91.6261 +    12.6279 * NZL
rear leg set side              : NLD =     108.9116 +    22.3883 * NZL
fore udder attachment          : NLD =      88.5126 +     9.7929 * NZL
rear udder height              : NLD =      86.9754 +     9.1760 * NZL
udder support                  : NLD =      90.3258 +     6.6707 * NZL
front teat placement           : NLD =      88.8975 +    14.8855 * NZL
front teat length              : NLD =     102.1075 +     8.9562 * NZL
rear teat placement            : NLD =      91.4064 +     9.5701 * NZL
overall udder                  : NLD =      84.5044 +     9.7141 * NZL
body condition score           : NLD =     100.6997 +    27.6647 * NZL
 
Formulae for PRODUCTION
 
milk yield                     : NLD =   -2504.3997 +     1.4512 * NZL
fat yield                      : NLD =     -60.7894 +     1.0942 * NZL
protein yield                  : NLD =     -64.0857 +     1.1366 * NZL
 
Formulae for LONGEVITY
 
longevity                      : NLD =    -487.4323 +    42.3897 * NZL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      92.5573 +    -8.5427 * NZL
udder health                   : NLD =      97.9176 +    -7.4758 * NZL
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =      99.7572 +    31.5487 * NZL
interval 1st-last insem        : NLD =      99.7544 +    47.5395 * NZL
calving interval               : NLD =      98.9957 +    47.4512 * NZL
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =     104.6533 +    -0.7771 * NZL
ges                            : NLD =     101.2592 +     1.9359 * NZL
 
Formulae for WORKABILITY
 
milking speed                  : NLD =     102.3410 +    16.2082 * NZL
temperament                    : NLD =      97.0895 +    16.9061 * NZL