Table 3. Comparison of the mortality rate (%) in each stage on farm A.
| Age | January 2008 |
September 2008 |
October 2009 |
January 2011 |
|---|---|---|---|---|
| < 60 | 20 | 20 | 3 | 20 |
| 60 < 120 | 10 | 30 | 30 | 3 |
| 120 < | 3 | 30 | 20 | 3 |
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