Table 5. Summary of publications reporting animal leptospirosis in New Caledonia, 1947–2017.
For study [54] the number of tested animals ‘N’ is provided separately for the two areas of interest, i.e. La Néra basin first and La Coulée basin then. Studies [60] and [98] targeted positive animals only, so ‘N’ equals ‘positive cases’.
| Citation | Study years | Animal species | Test | N | Positive cases (%) |
|---|---|---|---|---|---|
| [99] | 1982–83 | Cattle | S | 136 | 84 (61.8%) seropositive |
| Dogs | S | 38 | 12 (31.6%) seropositive | ||
| Horses | S | 25 | 13 (52%) seropositive | ||
| Pigs | S | 43 | 10 (23.3%) seropositive | ||
| Sheep/goats | S | 2 | 1 (suspected) seropositive | ||
| [100] | 1986 | Cattle | S | 5 | 5 seropositive |
| [53] Grande Terre and Islands |
1985–86 | Rats (RR, RN, RE) | S, DF, IC | 18 | 11 (61.1%) seropositive |
| Cattle | S, DF, IC | 70 | 69 (98.7%) seropositive | ||
| Pigs | S, DF, IC | 36 | 21 (58.3%) seropositive | ||
| Horses | S, DF, IC | 18 | 9 (50%) seropositive | ||
| Goats | S, DF, IC | 13 | N/A | ||
| Dogs | S, DF, IC | 81 | 48 (59.3%) seropositive | ||
| Cats | S, DF, IC | 12 | NA | ||
| [54] La Néra + La Coulée |
1985–86 | Rats (RR, RN, RE) | S | 12 + 4 | 8 + 3 seropositive |
| Cattle | S | 15 + 0 | 15 seropositive | ||
| Pigs | S | 14 + 0 | ? | ||
| Horses | S | 4 + 0 | ? | ||
| Goats | S | 9 + 4 | 1 + 2 seropositive | ||
| Dogs | S | 46 + 7 | 29 + 2 seropositive | ||
| Cats | S | 6 + 5 | 0 + 1 seropositive | ||
| Deer | S | 1 + 0 | 1 seropositive | ||
| [101] | 1984 | Cattle | S | 350 | 58.3% seropositive |
| [60] | 1989–2001 | Dogs | TY | 1 | 1 |
| Pigs | TY | 7 | 7 | ||
| Deer | TY | 5 | 5 | ||
| [98] | 2010 | Introduced deer | TY | 12 | 12 |
| [102] Poster summary |
Introduced deer | yes | |||
| Rats (same as [103]) | yes | ||||
| [103] | 2008–10 | Rats, mice (Bourail area) | MT | 210 | 56 (26.7%) renal carriage |
| [104] | 2009 | Cattle | S | 30 | 43% seropositive |
| Deer | S | 29 | 72% seropositive | ||
| Horses | S | 25 | 80% seropositive | ||
| Dogs | S | 51 | 43% seropositive | ||
| Cats | S | 8 | 100% seropositive | ||
| [105] | 2013 | Dogs (urban + rural) | S, MT | 95 | 30.8% seropositive; 4.4% renal carriage |
| Pigs (feral + farmed) | MT, TY | 94 + 138 | 6.4% (feral); 10.2% (farmed) | ||
| Deer (feral + farmed) | MT, TY | 85 + 107 | 13.02% |
N/A: information unavailable from the study; N: number of animals tested; RR: Rattus rattus; RN: Rattus norvegicus; RE: Rattus exulans; S: serology test; DF: microscopic examination of tissues with a dark field microscope; IC: isolation by culture; MT: molecular testing (PCR); TY: molecular typing.