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Table 5 Incidence rates based on newly detected scrapie cases (by tonsil biopsy or by post mortem examination) divided by the number of sheep-years at risk

From: Breeding with resistant rams leads to rapid control of classical scrapie in affected sheep flocks

Period Flock
  A B C D E F
2000-2001 0.00 (0) 0.02 (2) 0.07 (7) 0.02 (1) 0.00 (0) 0.00 (0)
2001-2002 0.00 (0) 0.02 (2) 0.06 (6) 0.00 (0) 0.01 (1) 0.02 (1)
2002-2003 0.00 (0) 0.00 (0) 0.09 (8) 0.09 (3) 0.00 (0) 0.08 (3)
2003-2004 0.00 (0) 0.00 (0) 0.01 (1) 0.00 (0 0.00 (0) 0.05 (1)
2004-2005 n.d.** 0.00 (0) 0.01 (1) 0.00 (0) 0.00 (0) n.d.
2005-2006 n.d. 0.00 0.01 (1) 0.00 (0) 0.00 (0) n.d.
  1. *if available also post mortem results
  2. **n.d. = not done
  3. Between brackets: # newly detected scrapie cases