Table 1 The number of isolates of the various subspecies of Salmonella enterica in animals in Sweden during 1968–97.
From: Salmonella Isolated from Animals and Feed Production in Sweden Between 1993 and 1997
Salmonella enterica subspecies | 1968–72 | 1973–77 | 1978–82 | 1983–87 | 1988–92 | 1993–97 |
|---|---|---|---|---|---|---|
Subspecies I (Subsp. enterica) | 1721 | 1077 | 1231 | 720 | 524 | 435 |
Subspecies II (Subsp. salamae) | 10 | 2 | 4 | 6 | 11 | 29 |
Subspecies IIIa & IIIb (Subsp. arizonae & diarizonae) | 14 | 19 | 14 | 13 | 59 | 73 |
Subspecies IV (Subsp. houtenae) | 1 | 2 | 1 | 3 | 4 | 15 |
Not typed or typable | 6 | 16 | 18 | 4 | 3 | |
Total | 1752 | 1116 | 1268 | 746 | 598 | 555 |