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Volume 23, Number 2—February 2017

Dispatch

Oral Transmission of L-Type Bovine Spongiform Encephalopathy Agent among Cattle

Hiroyuki OkadaComments to Author , Yoshifumi Iwamaru, Morikazu Imamura, Kohtaro Miyazawa, Yuichi Matsuura, Kentaro Masujin, Yuichi Murayama, and Takashi Yokoyama
Author affiliations: National Agriculture and Food Research Organization, Ibaraki, Japan

Main Article

Table

Experimental oral inoculation of 16 calves with brain homogenate of L-type bovine spongiform encephalopathy prions*

Inoculum dose, g No. inoculated No. died (postinoculation mo) No. euthanized (postinoculation mo)
1 4 0 2 (51), 2 (52)
5 6 0 1 (54), 2 (70), 1 (73), 1 (75), 1 (82)
10 4 0 1 (74), 1 (81), 1 (85), 1 (86)
50 2 1 (88) 0

*Necropsies were performed on all animals except the 1 still alive as of December 2016.

Main Article

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