A descriptive summary of herd-to-herd variation of disease incidence and related management factors on 18 New York State dairy farms

The incidence of common dairy cattle diseases varies widely across U.S. herds. While some variability can be attributed to general herd management differences, recent research has also shown that other contributing factors exist such as variation in case recording and case definitions used for the same diseases (Wenz and Geibel, 2012) (Espadamala et al., 2018). The objec­tives of this project were to: 1) describe the current incidence of 4 diseases commonly treated with antimicrobials on dairy farms, and 2) identify if similar variations in case definitions and recording exist among New York dairy farms as have been identified in other regions.