Conversion formulae for breed: Red Dairy Cattle Conversion formulae for: United states (on black & white base) 24-11-2020 Formulae for PRODUCTION milk yield : NLD = -2214.7683 + 1.0512 * USA fat yield : NLD = -85.9309 + 1.0285 * USA protein yield : NLD = -89.1481 + 1.1849 * USA Formulae for UDDERHEALTH somatic cell score : NLD = 147.9605 + -16.8422 * USA udder health : NLD = 151.8965 + -17.2184 * USA