Conversion formulae for breed: Holstein
Conversion formulae for: Spain (on black & white base)                    31-03-2026
 
Formulae for CONFORMATION
 
stature                        : NLD =     100.5011 +     5.8586 * ESP
chest width                    : NLD =      97.5672 +     4.2355 * ESP
body depth                     : NLD =     101.9017 +     4.0133 * ESP
angularity                     : NLD =     100.8490 +     5.5112 * ESP
rump angle                     : NLD =      97.1736 +     4.2514 * ESP
rump width                     : NLD =      99.6845 +     4.7680 * ESP
rear leg set side              : NLD =     100.5168 +     4.2697 * ESP
rear leg set rear              : NLD =      95.2310 +     3.6546 * ESP
foot angle                     : NLD =      98.5572 +     4.3959 * ESP
fore udder attachment          : NLD =      98.2039 +     6.5025 * ESP
rear udder height              : NLD =      99.3871 +     5.6947 * ESP
udder support                  : NLD =     100.6298 +     5.7182 * ESP
udder depth                    : NLD =      98.1169 +     5.8616 * ESP
front teat placement           : NLD =      99.3236 +     5.9582 * ESP
front teat length              : NLD =     100.8592 +     4.4785 * ESP
rear teat placement            : NLD =     101.0064 +     5.8148 * ESP
overall udder                  : NLD =      98.4842 +     6.0166 * ESP
overall feet and legs          : NLD =      93.0966 +     4.4206 * ESP
locomotion                     : NLD =      94.0588 +     3.7006 * ESP
body condition score           : NLD =      97.2850 +     4.4083 * ESP
 
Formulae for PRODUCTION
 
milk yield                     : NLD =      43.3888 +     1.2845 * ESP
fat yield                      : NLD =     -27.1707 +     1.3032 * ESP
protein yield                  : NLD =     -23.1842 +     1.3592 * ESP
 
Formulae for LONGEVITY
 
longevity                      : NLD =   -2147.9387 +    19.3116 * ESP
 
Formulae for UDDERHEALTH
 
somatic cell score             : NLD =      60.2788 +     0.3678 * ESP
udder health                   : NLD =      64.5661 +     0.3295 * ESP
 
Formulae for FERTILITY
 
interval calving-1st insem     : NLD =      63.4235 +     0.3381 * ESP
interval 1st-last insem        : NLD =      56.1507 +     0.4094 * ESP
calving interval               : NLD =      55.9315 +     0.4089 * ESP
 
Formulae for CALVING TRAITS
 
direct calving ease            : NLD =      47.6212 +     0.4885 * ESP
 
Formulae for WORKABILITY
 
milking speed                  : NLD =      68.0877 +     0.3267 * ESP