Conversion formulae for breed: Holstein
Conversion formulae for: Canada (on black & white base)                    04-08-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =     102.9839 +     0.8309 * CAN
chest width                    : NLD =      97.4355 +     0.7765 * CAN
body depth                     : NLD =     100.9757 +     0.6272 * CAN
angularity                     : NLD =     102.8808 +     0.6066 * CAN
rump angle                     : NLD =      96.8824 +     0.7946 * CAN
rump width                     : NLD =     100.3817 +     0.8372 * CAN
rear leg set side              : NLD =     100.4991 +     0.8991 * CAN
rear leg set rear              : NLD =      94.9168 +     0.6237 * CAN
foot angle                     : NLD =      99.0159 +     0.5243 * CAN
fore udder attachment          : NLD =     102.3525 +     0.8364 * CAN
rear udder height              : NLD =     102.9729 +     0.5581 * CAN
udder support                  : NLD =     102.4458 +     0.6034 * CAN
udder depth                    : NLD =     102.9734 +     0.8618 * CAN
front teat placement           : NLD =     101.5842 +     0.8530 * CAN
front teat length              : NLD =      98.4318 +     0.8344 * CAN
rear teat placement            : NLD =     103.1015 +     0.7786 * CAN
overall udder                  : NLD =     102.8184 +     0.7687 * CAN
overall feet and legs          : NLD =      93.7214 +     0.6172 * CAN
locomotion                     : NLD =      94.5534 +     0.5417 * CAN
body condition score           : NLD =      14.3861 +     0.8176 * CAN
 
Formulae for PRODUCTION
 
milk yield                     : NLD =     135.0532 +     0.8251 * CAN
fat yield                      : NLD =      -9.8851 +     0.8250 * CAN
protein yield                  : NLD =     -14.1379 +     0.8643 * CAN
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      25.1450 +     0.7450 * CAN
udder health                   : NLD =      44.2611 +     0.5455 * CAN
 
Formulae for FERTILITY
 
heifer conception rate         : NLD =      55.9861 +     0.4604 * CAN
interval calving-1st insem     : NLD =      39.8968 +     0.5804 * CAN
conception rate                : NLD =      39.4992 +     0.6002 * CAN
interval 1st-last insem        : NLD =      29.9541 +     0.6921 * CAN
calving interval               : NLD =      33.7755 +     0.6463 * CAN
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =      17.1695 +     0.8161 * CAN
maternal calving ease          : NLD =      51.7951 +     0.4873 * CAN
maternal stillbirth            : NLD =      39.3734 +     0.6109 * CAN
 
Formulae for WORKABILITY
 
milking speed                  : NLD =      42.6863 +     0.5900 * CAN
temperament                    : NLD =      28.1433 +     0.7174 * CAN