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Table III.

Frequency and magnitude of PrPd in different LRS tissues of goats with and without PrPd accumulation in the brain.

Brain PrPd negative
Brain PrPd positive
Positive/ex.* (%) Av. mag.** Positive/ex. (%) Av. mag.
RphLN 29/34 (85) 1.8 33/37 (89) 1.9
PTons 27/33 (82) 1.6 33/38 (87) 2.0
MamLN 18/34 (53) 1.1 30/38 (79) 1.3
PscLN 17/34 (50) 1.5 22/38 (58) 1.7
3thEy 16/34 (47) 1.5 27/38 (71) 2.1
PrfLN 14/34 (41) 1.3 19/38 (50) 1.4
DjeLN 13/34 (38) 1.2 31/38 (82) 1.9
PPs 11/34 (32) 1.4 26/37 (70) 1.7
RAMALT 9/34 (26) 1.2 21/38 (55) 1.6
Spleen 6/34 (18) 1.5 21/38 (55) 1.1

Results expressed as PrPd-positive samples/examined*, average magnitude of PrPd immunolabelling** in positive LRS tissues of goats that did not or did accumulate PrPd in the brain.

RphLN: medial retropharyngeal lymph node (LN); PTons: palatine tonsil; MamLN: mammary LN; PscLN: pre-scapular LN; 3thEy: third eyelid; PrfLN: pre-femoral LN; DjeLN: distal jejunal LN; PPs: distal ileum Peyer’s patches; RAMALT: recto-anal mucosa-associated lymphoid tissue.