Use of a dynamic programming model to estimate the value of clinical mastitis treatment and prevention options utilized by dairy producers
Tóm tắt
Từ khóa
Tài liệu tham khảo
Bar, 2007, Effect of repeated episodes of generic clinical mastitis on milk yield in dairy cows, J. Dairy Sci., 90, 4643, 10.3168/jds.2007-0145
Bar, 2008, Effect of repeated episodes of generic clinical mastitis on mortality and culling in dairy cows, J. Dairy Sci., 91, 2196, 10.3168/jds.2007-0460
Bar, 2008, The cost of generic clinical mastitis in dairy cows as estimated by using dynamic programming, J. Dairy Sci., 91, 2205, 10.3168/jds.2007-0573
Bellman, 1957
De Vries, 2006, Economic value of pregnancy in dairy cattle, J. Dairy Sci., 89, 3876, 10.3168/jds.S0022-0302(06)72430-4
Gröhn, 2004, Effect of pathogen-specific clinical mastitis on milk yield in dairy cows, J. Dairy Sci., 87, 3358, 10.3168/jds.S0022-0302(04)73472-4
Gröhn, 2005, Effect of pathogen-specific clinical mastitis on herd life in two New York State dairy herds, Prev. Vet. Med., 71, 105, 10.1016/j.prevetmed.2005.06.002
Halasa, 2007, Economic effects of bovine mastitis and mastitis management: A review, Vet. Quart., 29, 18, 10.1080/01652176.2007.9695224
Heiko, 1992, The economic implications of bioengineered mastitis control, J. Dairy Sci., 75, 596, 10.3168/jds.S0022-0302(92)77797-2
Houben, 1994, Optimal replacement of mastitic cows determined by a hierarchical Markov process, J. Dairy Sci., 77, 2975, 10.3168/jds.S0022-0302(94)77239-8
Howard, 1960
Kristensen, 2003, A general software system for Markov decision processes in herd management applications, Comput. Electron. Agr., 38, 199, 10.1016/S0168-1699(02)00183-7
Kristensen, 2004, A sow replacement model using Bayesian updating in a three-level hierarchic Markov process. II. Optimization model, Livest. Prod. Sci., 87, 25, 10.1016/j.livprodsci.2003.07.005
Milne, 2003, Use of clinical information to predict the characteristics of bacteria isolated from clinical cases of bovine mastitis, Vet. Rec., 152, 615, 10.1136/vr.152.20.615
Nielsen, 2004, Optimal decisions in organic steer production-a model including winter feed level, grazing strategy and slaughtering policy, Livest. Prod. Sci., 88, 239, 10.1016/j.livprodsci.2003.11.010
Østergaard, 2005, A stochastic model simulating pathogen-specific mastitis control in a dairy herd, J. Dairy Sci., 88, 4243, 10.3168/jds.S0022-0302(05)73111-8
Seegers, 2003, Production effects related to mastitis and mastitis economics in dairy cattle herds, Vet. Res., 34, 475, 10.1051/vetres:2003027
Stott, 2002, Optimum replacement policies for the control of subclinical mastitis due to S. aureus in dairy cows, J. Agric. Econ., 53, 627, 10.1111/j.1477-9552.2002.tb00041.x
Wilson, 2007, Milk and serum J5-specific antibody responses, milk production change, and clinical effects following intramammary Escherichia coli challenge for J5 vaccinate and control cows, Clin. Vaccine Immunol., 14, 693, 10.1128/CVI.00104-07