Quantifying Johne's Disease Infectivity in Dairy Herds in Indiana

C. C. Wu; C. A. Alinovi; M. P. Ward; E. A. Raizman; T. L. Lin

doi:10.21423/aabppro20064777

Quantifying Johne's Disease Infectivity in Dairy Herds in Indiana

Authors

C. C. Wu Department of Veterinary Pathobiology, Purdue University, West Lafayette, IN
C. A. Alinovi Department of Veterinary Pathobiology, Purdue University, West Lafayette, IN
M. P. Ward Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
E. A. Raizman Department of Veterinary Pathobiology, Purdue University, West Lafayette, IN
T. L. Lin

DOI:

https://doi.org/10.21423/aabppro20064777

Keywords:

infectivity, Johne's Disease, contact rate, incidence, prevalence

Abstract

Infectivity is a critical parameter that determines how Johne's Disease agent (Mycobacterium avium subspecies paratuberculosis, MAP) survives in the population. Infectivity, in conjunction with contact rate, determines the numbers of new infection and, therefore the incidence and prevalence of infection in the population.

Cover image of the 39th Conference Proceedings: Three calves lying down in a pasture next to a white fence. Behind them, a rainbow spans over the distant hills. Yellow background.

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Published

2006-09-21

Issue

2006

Section

Johne’s Disease

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Quantifying Johne's Disease Infectivity in Dairy Herds in Indiana

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