Table 1.
Summary of the prevalence of Eimeria spp. in Japanese rock ptarmigan in the present study.
| Mountains | Total No. | Positive No. | 2006* |
2007* |
||
|---|---|---|---|---|---|---|
| Adult | Chicks | Adult | Chicks | |||
| Tateyama | 469 | 219 (46.7) | 121/292 (41.4) | 20/40 (50) | 61/118 (51.7) | 17/19 (89.5) |
| Jiigatake | 340 | 194 (47.1) | 6/12 (50) | 11/20 (55) | 54/71 (76.1) | 1/10 (10) |
| Asahidake | 109 | 64 (58.7) | 9/22 (40.9) | 0/6 (0) | – | – |
| Norikuradake | 58 | 22 (37.9) | 21/54 (38.9) | 1/4 (25) | – | – |
| Sugorokudake | 53 | 22 (41.5) | 21/47 (44.7) | – | – | – |
| Jonendake | 41 | 19 (46.3) | 0/2 (0) | – | – | – |
| Shiroumadake | 37 | 20 (54.1) | 3/4 (75) | 2/2 (100) | 1/5 (20) | 0/1 (0) |
| Yarigadake | 31 | 15 (48.4) | – | – | 15/31 (48.4) | – |
| Otenshoudake | 15 | 10 (66.7) | 2/2 (100) | – | – | – |
| Minamidake | 9 | 0 (0) | 0/9 (0) | – | – | – |
| Chougadake | 6 | 1 (16.7) | 0/4 (0) | – | 1/2 (50) | – |
| Other or unknown | 52 | 27 (51.9) | – | – | 26/51 (51.0) | 1/1 (100) |
| Total | 828 | 394 (47.6) | 183/448 (40.8) | 34/72 (47.2) | 158/278 (56.8) | 19/30 (63.3) |
Parentheses; positive percentage (%), *; positive No./examined No.
No significant difference was observed in infection prevalence between adults and chicks (P > 0.05 in 2006 and 2007).