Figure 1
Data flow-chart illustrating the integration of all relevant information in the Norwegian Dairy Herd Recording System (NDHRS). DHI/health = Dairy herd improvement system including health records; AI = artificial insemination; Geno = Geno breeding and AI association, Norway; Milk(i) = Individual milk samples within NDHRS; Milk(h) = herd bulk milk samples within dairy processors; SDB = Dairy Cattle Data Base; ODB = Bull (Ox) Data Base; LDB = Delivery Milk Data Base; IRS = Official Individual Record System; TINE BA = TINE BA Norwegian Dairy Association. N indicates number of farmers using this path.