Table 2.
Cause of death of sheep grouped by five categories for each of four consignments at a commercial live export feedlot (Fremantle, Western Australia)
| September 2011 | January 2012 | February 2012 | June 2012 | ||
|---|---|---|---|---|---|
| 1 | Shearing trauma | 5 (0.20%) day 5–11 | |||
| 2 | Transit tetany | 8 (0.33%) day 2–8 | 1 (0.04%) day 6 | ||
| 3 | Salmonella | 9 (0.37%) day 4–13 | 25 (1.1%) day 7–14 | 4 (0.41%) day 11–16 | 2 (0.08%) day 5–6 |
| 4 | Pneumonia | 7 (0.30%) day 13–16 | |||
| 5 | Other | ||||
| Bloat | 1 (0.04%) day 2 | ||||
| Enterotoxaemia* | 1 (0.04%) day 9 | ||||
| Electrolyte† | 1 (0.04%) day 5 | ||||
| High worm egg count | 1 (0.10%) day 22 | ||||
| Mouth fistula | 1 (0.04%) day 8 | ||||
| Gall bladder | 2 (0.09%) day 14–17 | ||||
| Unknown | 7 (0.30%) day 2–15 | 1 (0.10%) day 22 | |||
Values are the number of sheep that died as counts and as a percentage of the total sheep in each consignment (brackets) and the days (d; time since entry to the feedlot) between which the deaths occurred.
*Clostridium perfringens infection.
†Hypomagnesia and hypocalcaemia.