Conversion formulae for breed: Jersey
Conversion formulae for: New zealand (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =      74.0961 +    11.6103 * NZL
chest width                    : NLD =      80.9705 +     8.5860 * NZL
body depth                     : NLD =      84.0686 +     7.9714 * NZL
rump angle                     : NLD =      94.8037 +    13.9460 * NZL
rump width                     : NLD =      83.2375 +    13.4483 * NZL
rear leg set side              : NLD =     104.8471 +    21.7146 * NZL
fore udder attachment          : NLD =      87.8519 +    10.5970 * NZL
rear udder height              : NLD =      88.2519 +     8.6855 * NZL
udder support                  : NLD =      92.5084 +     6.9904 * NZL
front teat placement           : NLD =      92.7595 +    15.3885 * NZL
front teat length              : NLD =     103.6002 +     7.9567 * NZL
rear teat placement            : NLD =      96.0200 +    11.4346 * NZL
overall udder                  : NLD =      84.7785 +    10.3974 * NZL
 
Formulae for PRODUCTION
 
milk yield                     : NLD =   -2660.0362 +     1.3663 * NZL
fat yield                      : NLD =     -56.0184 +     1.1841 * NZL
protein yield                  : NLD =     -70.5294 +     1.1574 * NZL
 
Formulae for LONGEVITY
 
longevity                      : NLD =    -465.3905 +    59.6338 * NZL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      89.4595 +    -8.2402 * NZL
udder health                   : NLD =      92.0043 +    -8.2556 * NZL
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =     101.4054 +    26.2509 * NZL
interval 1st-last insem        : NLD =      99.8547 +    47.7527 * NZL
calving interval               : NLD =     100.5399 +    46.0469 * NZL
 
Formulae for WORKABILITY
 
milking speed                  : NLD =      98.4551 +    17.6214 * NZL