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Volume 12, Number 2—February 2006


Surveillance for Prion Disease in Cervids, Germany

Elvira Schettler*Comments to Author , Falko Steinbach*†, Iris Eschenbacher-Kaps‡, Kirsten Gerst§, Franz Meussdoerffer¶, Kirsten Risch§, Wolf Jürgen Streich*, and Kai Frölich*
Author affiliations: *Institute for Zoo and Wildlife Research, Berlin, Germany; †Veterinary Laboratories Agency, Weybridge, United Kingdom; ‡Cenas AG, Kulmbach, Germany; §Landesveterinär- und Lebensmitteluntersuchungsamt Mecklenburg-Vorpommern, Rostock, Germany; ¶University of Bayreuth, Bayreuth, Germany

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Table 1

Minimum prevalence levels evaluated for German cervids tested for TSE, 2002–2005*

Species Increased risk†
Normal risk‡
No. tested (MPL) HB EPS No. tested (MPL) HB EPS No. tested HB EPS
Roe deer 1,959 (0.15%) 822,000 1,370,000 1,684 (0.18%) 1,273,000 2,122,000 3,643 2,095,000 3,492,000
Red deer 1,110 (0.27%) 84,000 140,000 297 (1.00%) 25,000 42,000 1,407 109,000 181,000
Fallow deer 1,097 (0.27%) 76,000 127,000 293 (1.02%) 18,000 30,000 1,390 94,000 157,000

*TSE, transmissible spongiform encephalopathy; MPL, minimum prevalence level (upper limit of the percentage of positives in the population, given no positives found in the sample); HB, hunting bag (cervids >18 months estimated for the 3 study years); EPS, estimated population size (cervids >18 months in the 3 study years).
†Animals were considered at increased risk if >1 risk factor applied.
‡Animals were considered at normal risk if no risk factors applied.
§Data analysis was possible for 6,440 animals; information on risk factors was lacking in 616 cases.

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