Conversion formulae for breed: Holstein
Conversion formulae for: Poland (on black & white base)                    04-08-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =      65.2877 +     0.3210 * POL
chest width                    : NLD =      69.8914 +     0.2690 * POL
body depth                     : NLD =      72.7796 +     0.2652 * POL
angularity                     : NLD =      70.6282 +     0.2775 * POL
rump angle                     : NLD =      63.8395 +     0.3358 * POL
rump width                     : NLD =      70.9276 +     0.2744 * POL
rear leg set side              : NLD =      76.6585 +     0.2458 * POL
rear leg set rear              : NLD =      75.7897 +     0.1889 * POL
foot angle                     : NLD =      75.8313 +     0.2083 * POL
fore udder attachment          : NLD =      63.4783 +     0.3168 * POL
rear udder height              : NLD =      64.7206 +     0.3155 * POL
udder support                  : NLD =      77.6893 +     0.2172 * POL
udder depth                    : NLD =      59.9221 +     0.3553 * POL
front teat placement           : NLD =      65.8888 +     0.3170 * POL
front teat length              : NLD =      69.4864 +     0.3124 * POL
rear teat placement            : NLD =      66.6685 +     0.3242 * POL
overall udder                  : NLD =      61.3722 +     0.3317 * POL
overall feet and legs          : NLD =      76.5198 +     0.1601 * POL
locomotion                     : NLD =      77.4297 +     0.1589 * POL
body condition score           : NLD =      65.8929 +     0.3214 * POL
 
Formulae for PRODUCTION
 
milk yield                     : NLD =    -424.8615 +     1.3625 * POL
fat yield                      : NLD =     -36.0288 +     1.1137 * POL
protein yield                  : NLD =     -33.5129 +     1.4753 * POL
 
Formulae for LONGEVITY
 
longevity                      : NLD =   -1482.9441 +    12.6131 * POL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      66.7545 +     0.2993 * POL
udder health                   : NLD =      70.0258 +     0.2779 * POL
 
Formulae for FERTILITY
 
heifer conception rate         : NLD =      71.4327 +     0.2704 * POL
interval calving-1st insem     : NLD =      71.4156 +     0.2619 * POL
conception rate                : NLD =      77.5042 +     0.2179 * POL
interval 1st-last insem        : NLD =      71.3681 +     0.2847 * POL
calving interval               : NLD =      68.7425 +     0.2969 * POL
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =      67.0307 +     0.3008 * POL
maternal calving ease          : NLD =      74.3324 +     0.2513 * POL
direct stillbirth              : NLD =      83.6493 +     0.1529 * POL
maternal stillbirth            : NLD =      75.7663 +     0.2335 * POL
 
Formulae for WORKABILITY
 
milking speed                  : NLD =      83.7566 +     0.1663 * POL
temperament                    : NLD =      92.2804 +     0.0738 * POL