From: Eradication of scrapie with selective breeding: are we nearly there?
 | Birth cohorts in GSF sample | ||||
---|---|---|---|---|---|
 | 1999 - 2003 | 2004 | 2005 | 2006 | 2007 |
Farms | Â | Â | Â | Â | Â |
Number (%) | 95/128 (74.2) | 54/110 (49.1) | 40/127 (31.5) | 21/121 (17.4) | 21/145 (14.5) |
Animals | Â | Â | Â | Â | Â |
Number (%) | 268/742 (36.1) | 115/437 (26.3) | 74/618 (12.0) | 36/628 (6.1) | 53/887 (6.0) |