This is the program for the 2010 Joint Statistical Meetings in Vancouver, British Columbia.

Abstract Details

Activity Number: 29
Type: Contributed
Date/Time: Sunday, August 1, 2010 : 2:00 PM to 3:50 PM
Sponsor: Biometrics Section
Abstract - #306969
Title: Analysis and Modeling of Elk Brucellosis Prevalence in the Greater Yellowstone Ecosystem
Author(s): Pritam Gupta*+ and Jarrett J. Barber and William Hank Edwards and Lance Waller and Kiona Ogle
Companies: University of Wyoming and University of Wyoming and Wyoming Game and Fish Department and Emory University and University of Wyoming
Address: 1000 E, University Avenue, Dept 3332, Laramie, WY, 82072,
Keywords: Antibody concentration ; Hierarchical model ; Multiple serial dilution assays

Brucellosis is a bacterial disease that causes fetal abortions, decreased milk production, and infertility in ungulates (e.g.,cattle, elk). The Greater Yellowstone Ecosystem (GYE) is the last reservoir of this disease in the United States. The Wyoming Game and Fish Department maintains an elk vaccination program to protect both wild elk and domestic cattle. The program provides thousands of records consisting of the results of 3 to 6 serological assays collected from individual elk at various times and locations across the GYE since 1973. Our main objective is to provide space-time predictions of disease prevalence and related quantities to aid decisions regarding the timing and location of vaccination efforts. Toward this objective, we report on our efforts to build a Bayesian statistical model to combine the multiple assays and to account for various covariates over time and space.

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