From 1984 to 1998, 341 swine tonsils collected in abattoirs from Valinhos, Vinhedo, Suzano e Itapecirica da Serra, in the state of São Paulo, Brazil, were examined for the diagnosis of swine fever. Sixthy seven (19,64%) samples were positive by direct immunofluorescent test (DIFT) on frozen tissue. This study showed the swine as carrier this viruses.
KEY WORDS:
Hog cholera; abattoirs; immunofluorescence.
Estagiário, bolsista do CNPq
| Inoculação em cultivo | ||||
|---|---|---|---|---|
| Município | Positivos | Negativos | Total examinado | |
| 1a PAS | 2a PAS | |||
| Valinhos | 1 | 3 | 0 | 4 |
| Vinhedo | 1 | 2 | 1 | 4 |
| Suzano | 1 | 2 | 1 | 4 |
| Itapecerica | 2 | 3 | 1 | 6 |
| Total | 5 | 10 | 3 | 18 |
| Ano | Valinhos | Vinhedo | Suzano | Itapecerica | ||||
|---|---|---|---|---|---|---|---|---|
| Est.* * = estudados; | Pos.** ** = positivos | Est. | Pos. | Est. | Pos. | Est. | Pos. | |
| 1984 | 10 | 5 | 6 | 1 | 19 | 8 | ||
| 1985 | 8 | - | - | - | - | - | 9 | 3 |
| 1986 | 7 | - | 7 | 1 | - | - | - | - |
| 1987 | 14 | 6 | 7 | 2 | 11 | 2 | 34 | 18 |
| 1988 | 6 | - | - | - | 8 | 2 | - | - |
| 1989 | 6 | - | 8 | 1 | - | - | 10 | - |
| 1990 | - | - | - | - | 7 | 3 | - | 2 |
| 1991 | 5 | - | 7 | 2 | - | - | - | - |
| 1992 | 9 | 2 | - | - | - | - | 7 | - |
| 1993 | 6 | - | - | - | - | - | 8 | 2 |
| 1994 | 5 | - | 8 | 1 | 4 | - | - | - |
| 1995 | 3 | 1 | 3 | - | 1 | 1 | 4 | 1 |
| 1996 | 3 | - | 4 | 1 | 2 | - | 4 | 1 |
| 1997 | 2 | 1 | 1 | - | 1 | - | 3 | - |
| 1998 | 1 | - | 2 | - | 2 | - | 2 | - |
| Total | 85 | 15 | 47 | 8 | 42 | 9 | 100 | 35 |
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