Dissertation Essays in the Economic Implications of Select Animal Health and Crop Production Issues

................................................................................................................................... ii ACKNOWLEDGEMENTS ........................................................................................................... iv LIST OF TABLES ........................................................................................................................ vii LIST OF FIGURES ....................................................................................................................... ix CHAPTER 1: Introduction ..............................................................................................................1 CHAPTER 2: Examining the Potential Economic Implications of Wildlife Vectored Antimicrobial Resistance on the Livestock Supply Chain System ..................................................3 Introduction .................................................................................................................................3 Methods .......................................................................................................................................7 Equilibrium Displacement Model .........................................................................................14 Structural Supply and Demand Model ..................................................................................17 Structural Models Converted to Elasticity Form ..................................................................24 Elasticities .............................................................................................................................28 Supply Curve Shifts ..............................................................................................................29 Ban Calculation .....................................................................................................................32 Ban Shift ...............................................................................................................................33 WPM Calculation..................................................................................................................33 WPM Shift ............................................................................................................................34 Results .......................................................................................................................................36 Antimicrobial Ban: Equilibrium Displacement Model Results ............................................36 Wildlife Population Management Adoption Equilibrium Displacement Model Results ...41 Conclusion .................................................................................................................................47 LITERATURE CITED ..................................................................................................................50 CHAPTER 3: Estimating the Economic Contribution of Bovine Viral Diarrhea Virus Biosecurity Strategies Using Whole Farm Planning .........................................................................................56 Introduction ...............................................................................................................................56 Methods .....................................................................................................................................58 Epidemiological Model .........................................................................................................59 Linear Programming Model ..................................................................................................60 Data ...........................................................................................................................................63 Results .......................................................................................................................................69 BVDV Simulation Results ....................................................................................................69 Target MOTAD Results ........................................................................................................72