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Johne's Contacts and Resources [logo]

Johne's Contact Information:

PDF Contact Infosheet

Dr. David Griswold (Designated Johne's Coordinator)
(717) 783-8300
dgriswold@state.pa.us

Dr. Ernest Hovingh (Designated Johne's Coordinator)
(814) 863-8526
eph1@psu.edu

Gwen Bryant (Johne's Certification Administrator)
(717) 783-5301
gwbryant@state.pa.us

Dr. Deepanker Tewari (PDA Microbiology Laboratory)
(717) 787-8808
dtewari@state.pa.us

Dr. Robert Whitlock (Johne's Research Laboratory)
(610) 925-6321
rhw@upenn.edu

Other Useful Resources:

Johne's Information Center (Dr. Mike Collins, University of Wisconsin)
Information regarding Johne's Disease in small ruminants (Goats / Sheep)

National Johne's Education Initiative

USDA Johne's Disease Website

National Johne's Working Group - Reference Materials

Risk Assesment and Herd Management Plan - Dairy Cattle (Pennsylvania Version)

Last updated March 8, 2007