Milk yield recording and concentrate feed ration calculation for dairy cows

摘要: System for determining supplementary feed rations dairy cows, which comprises the steps of: (a) recording in a hand-holdable microprocessor-based recorder (1) information relating to cow identity of each plurality cows are use milking parlor, (b) entering actually parlor session, being programmed validate entered identities with recorded identities, (c) respective milk yields relation validated entries, (d) after connecting master unit (30), and (e) causing read as yield Y identified enter this into central processor compute value concentrate ration (R) according an algorithm having general form: R=V(Y-M+L(t)+C), where M, L(t) C values "maintenance +", lactation period condition pre-recorded memory unit.