Conversion formulae for breed: Holstein
Conversion formulae for: Ireland (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =      92.2902 +    10.8913 * IRL
chest width                    : NLD =      95.7513 +     5.7434 * IRL
body depth                     : NLD =      94.9159 +     7.8921 * IRL
angularity                     : NLD =      94.9120 +    11.4725 * IRL
rump angle                     : NLD =      97.0997 +     5.1403 * IRL
rump width                     : NLD =      97.2805 +     4.7778 * IRL
rear leg set side              : NLD =     103.1696 +     4.9666 * IRL
rear leg set rear              : NLD =      93.2432 +     3.2213 * IRL
foot angle                     : NLD =      95.3179 +     5.2996 * IRL
fore udder attachment          : NLD =      91.8752 +     6.6763 * IRL
rear udder height              : NLD =      91.1470 +     7.1368 * IRL
udder support                  : NLD =      94.5427 +     6.5695 * IRL
udder depth                    : NLD =      91.4518 +     6.9940 * IRL
front teat placement           : NLD =      93.1473 +     7.5737 * IRL
front teat length              : NLD =     101.0065 +     5.2299 * IRL
rear teat placement            : NLD =      96.0588 +     7.6042 * IRL
overall udder                  : NLD =      89.5572 +     8.2532 * IRL
overall feet and legs          : NLD =      90.7910 +     4.9221 * IRL
locomotion                     : NLD =      92.4800 +     3.6541 * IRL
body condition score           : NLD =      99.7395 +     9.2785 * IRL
 
Formulae for PRODUCTION
 
milk yield                     : NLD =   -1856.7322 +     3.5238 * IRL
fat yield                      : NLD =     -65.1731 +     3.4467 * IRL
protein yield                  : NLD =     -62.6997 +     3.2560 * IRL
 
Formulae for LONGEVITY
 
longevity                      : NLD =    -435.9782 +    48.1608 * IRL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      93.4836 +   -31.5332 * IRL
udder health                   : NLD =      98.1796 +   -32.4482 * IRL
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =     100.2055 +    -0.5977 * IRL
interval 1st-last insem        : NLD =     100.5148 +    -0.8598 * IRL
calving interval               : NLD =     100.0107 +    -0.8583 * IRL
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =      92.2323 +   -50.2502 * IRL