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File:Relationship-between-clinical-signs-and-postmortem-test-status-in-cattle-experimentally-infected-1746-6148-6-53-S7.ogv

Relationship-between-clinical-signs-and-postmortem-test-status-in-cattle-experimentally-infected-1746-6148-6-53-S7.ogv ‎(Ogg multiplexed audio/video file, Theora/Vorbis, length 1 min 32 s, 370 × 290 pixels, 1.36 Mbps overall, file size: 14.86 MB)

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English: 138 (BSE negative-HP&IHC). Steer, examined prior to cull at 42 months after oral dosing with 100 g of BSE brainstem homogenate (study 1). The steer's behaviour during cranial nerve testing is unremarkable. It appears apprehensive in the corridor, particularly on approaching the channel and drain and the hose across the floor. Trembling of the rump muscles is visible from behind when the animal stops in front of the channel before crossing it. Note also the mild startle when the examiner walks in front of the steer whilst it is exploring the channel. This steer was negative for BSE by postmortem tests upon examination of the brain. In a separate study, PrPd was found in the lymphoid follicles of the ileum of this steer, which suggests that it was infected with the BSE agent (GAH Wells and M Stack, unpublished observation).
Date
Source Konold T, Sayers A, Sach A, Bone G, van Winden S, Wells G, Simmons M, Stack M, Wear A, Hawkins S (2010). "Relationship between clinical signs and postmortem test status in cattle experimentally infected with the bovine spongiform encephalopathy agent". BMC Veterinary Research. DOI:10.1186/1746-6148-6-53. PMID 21143919. PMC: 3019182.
Author Konold T, Sayers A, Sach A, Bone G, van Winden S, Wells G, Simmons M, Stack M, Wear A, Hawkins S
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Format Bitrate Download Status Encode time
VP9 240P 377 kbps Completed 09:23, 17 October 2018 57 s
Streaming 240p (VP9) 305 kbps Completed 21:35, 16 December 2023 1.0 s
WebM 360P 660 kbps Completed 08:38, 2 December 2023 12 s
Streaming 144p (MJPEG) 813 kbps Completed 22:45, 18 November 2023 2.0 s
Stereo (Opus) 71 kbps Completed 07:44, 23 November 2023 2.0 s
Stereo (MP3) 128 kbps Completed 22:46, 18 November 2023 3.0 s

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