1. Dynamic Programming;Bellman,1957
2. Profitability of dairy cow herd life;Congleton;J. Dairy Sci.,1984
3. Optimizing model: insemination, replacement, seasonal production, and cash flow;DeLorenzo;J. Dairy Sci.,1992
4. The economic impact of health diseases in dairy cattle. I. Involuntary replacement. Publ. 4;Dijkhuizen,1980
5. Correction of milk yield of cows differing in age, season and lactation stage;Dommerholt,1975