Conversion formulae for breed: Red Dairy Cattle
Conversion formulae for: New zealand (on black & white base)                    31-03-2026
 
Formulae for PRODUCTION
 
milk yield                     : NLD =   -2240.3371 +     1.6056 * NZL
fat yield                      : NLD =     -58.9559 +     1.4831 * NZL
protein yield                  : NLD =     -64.0392 +     1.7017 * NZL
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      91.8237 +    -7.9919 * NZL
udder health                   : NLD =      95.2443 +    -7.7164 * NZL
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =     103.4777 +    17.0137 * NZL
interval 1st-last insem        : NLD =     103.6838 +    34.8559 * NZL
calving interval               : NLD =     103.9778 +    30.4826 * NZL