求文献5币一篇 Van der Kamp G.，Dijkhuizen A.A. and Peterson D.J，A simulation of leptospirosis control in Dutch dairy herds，[J] Preventive Veterinary Medicine，1990，
Ngategize P.K.，Kaneene J.B.，harsh S.B.，Bartlett P.C.，Mather E.L.，Decision analysis in animal health programmes: merits and limitations，[J].Preventive Veterinary Medicine，
Habtemariam T.，Howitt R.，Ruppanner R.and Reimann H.P.，Application of linear programming model to the control of African Trypanosomiasis，[J].Preventive Veterinary Medicine，1984
Rougoor C.W.，Dijkhuizen A.A.，Barkema H.W.，Schukken Y.W.，The economics of caesarean section in dairy cows，[J].Preventive Veterinary Medicine，1994
Huirne R.B.M.，Hendriks Th.H.B.，Dijkhuizen A.A.，Giesen G.W.J.，the economic optimization of sow replacement decision by stochastic dynamic programming，[J]. J. Agric. Econ.，1988
Williamson N.B.，the use of decision analysis to evaluate the economic effects of heat mount detectors in two dairy herds，[J].Aust. Vet. J.，1975
Galligan D.T.，Marsh W.E.，Application of Portfolio Theory for the optimal choice of dairy veterinary management programs，[J].Preventive Veterinary Medicine，1988
Rodrigues A.C.，Gardner I.A.，Carpenter T.E.，Financial analysis of pseudorabies control and eradication in swine fever，[J].Journal of American Medical association.，1990
还差2篇啊，那位坛友帮帮忙啊
Williamson N.B.，the use of decision analysis to evaluate the economic effects of heat mount detectors in two dairy herds，[J].Aust. Vet. J.，1975
Rodrigues A.C.，Gardner I.A.，Carpenter T.E.，Financial analysis of pseudorabies control and eradication in swine fever，[J].Journal of American Medical association.，1990
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