Conversion formulae for breed: Red Dairy Cattle Conversion formulae for: United states (on black & white base) 31-03-2026 Formulae for PRODUCTION milk yield : NLD = -2630.7184 + 0.9339 * USA fat yield : NLD = -119.1297 + 1.0696 * USA protein yield : NLD = -112.4043 + 1.1062 * USA Formulae for UDDERHEALTH somatic cell score : NLD = 144.2827 + -16.6248 * USA udder health : NLD = 151.7891 + -17.8884 * USA