Conversion formulae for breed: Holstein
Conversion formulae for: New zealand (on black & white base)                    04-08-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =      78.8470 +     7.9410 * NZL
chest width                    : NLD =      96.0854 +     8.7993 * NZL
body depth                     : NLD =      91.3626 +     8.2845 * NZL
rump angle                     : NLD =      96.2510 +    12.7894 * NZL
rump width                     : NLD =      91.6179 +    12.6651 * NZL
rear leg set side              : NLD =     108.9195 +    22.4054 * NZL
fore udder attachment          : NLD =      88.7551 +     9.7409 * NZL
rear udder height              : NLD =      87.0284 +     9.1612 * NZL
udder support                  : NLD =      90.2552 +     6.6817 * NZL
front teat placement           : NLD =      89.2044 +    14.8374 * NZL
front teat length              : NLD =     102.0667 +     8.9558 * NZL
rear teat placement            : NLD =      91.5362 +     9.5525 * NZL
overall udder                  : NLD =      84.6622 +     9.6656 * NZL
body condition score           : NLD =     100.7705 +    27.5841 * NZL
 
Formulae for PRODUCTION
 
milk yield                     : NLD =   -2509.5671 +     1.4868 * NZL
fat yield                      : NLD =     -60.5442 +     1.1092 * NZL
protein yield                  : NLD =     -63.7299 +     1.1486 * NZL
 
Formulae for LONGEVITY
 
longevity                      : NLD =    -504.6427 +    41.9226 * NZL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      92.6362 +    -8.4359 * NZL
udder health                   : NLD =      97.8034 +    -7.4402 * NZL
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =      99.6982 +    31.1718 * NZL
interval 1st-last insem        : NLD =      99.5430 +    46.6783 * NZL
calving interval               : NLD =      99.3227 +    47.2292 * NZL
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =     104.4226 +    -0.7462 * NZL
ges                            : NLD =     101.2855 +     1.9339 * NZL
 
Formulae for WORKABILITY
 
milking speed                  : NLD =     102.3030 +    16.2238 * NZL
temperament                    : NLD =      97.1186 +    16.8607 * NZL