Conversion formulae for breed: Holstein
Conversion formulae for: Canada (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =     103.0104 +     0.8285 * CAN
chest width                    : NLD =      97.4322 +     0.7770 * CAN
body depth                     : NLD =     100.9242 +     0.6324 * CAN
angularity                     : NLD =     102.8799 +     0.5958 * CAN
rump angle                     : NLD =      96.8935 +     0.7946 * CAN
rump width                     : NLD =     100.4141 +     0.8411 * CAN
rear leg set side              : NLD =     100.5128 +     0.9003 * CAN
rear leg set rear              : NLD =      94.8756 +     0.6188 * CAN
foot angle                     : NLD =      99.0392 +     0.5179 * CAN
fore udder attachment          : NLD =     102.3310 +     0.8463 * CAN
rear udder height              : NLD =     102.9559 +     0.5588 * CAN
udder support                  : NLD =     102.4213 +     0.6118 * CAN
udder depth                    : NLD =     102.9376 +     0.8673 * CAN
front teat placement           : NLD =     101.5338 +     0.8582 * CAN
front teat length              : NLD =      98.4565 +     0.8388 * CAN
rear teat placement            : NLD =     103.0708 +     0.7839 * CAN
overall udder                  : NLD =     102.7875 +     0.7723 * CAN
overall feet and legs          : NLD =      93.6941 +     0.6188 * CAN
locomotion                     : NLD =      94.5425 +     0.5390 * CAN
body condition score           : NLD =      14.6850 +     0.8146 * CAN
 
Formulae for PRODUCTION
 
milk yield                     : NLD =     119.4946 +     0.8198 * CAN
fat yield                      : NLD =     -10.3141 +     0.8103 * CAN
protein yield                  : NLD =     -14.3814 +     0.8563 * CAN
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      25.1607 +     0.7444 * CAN
udder health                   : NLD =      43.6402 +     0.5526 * CAN
 
Formulae for FERTILITY
 
heifer conception rate         : NLD =      54.0718 +     0.4799 * CAN
interval calving-1st insem     : NLD =      39.6838 +     0.5822 * CAN
conception rate                : NLD =      39.2516 +     0.6019 * CAN
interval 1st-last insem        : NLD =      30.0209 +     0.6903 * CAN
calving interval               : NLD =      33.4900 +     0.6481 * CAN
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =      17.2983 +     0.8147 * CAN
maternal calving ease          : NLD =      52.1210 +     0.4835 * CAN
maternal stillbirth            : NLD =      39.7280 +     0.6071 * CAN
 
Formulae for WORKABILITY
 
milking speed                  : NLD =      42.5416 +     0.5915 * CAN
temperament                    : NLD =      27.9966 +     0.7187 * CAN