TABLE 3.
Indirect hemagglutination serology for detection of antibodies to Mycoplasma ovipneumoniae in pneumonic and healthy bighorn sheep populations in western North America
| Populationa | Sample date(s) | Statusb | No. seropositive (total)c | GMTd (SD) |
|---|---|---|---|---|
| Asotin, WA (HC) | 2001, 2003, 2006 | Healthy | 0 (23) | 1.45 (0.96) |
| Cadomin, AB | 2000 | Healthy | 0 (15) | 1.00 (0) |
| Clemans Mt., WA | 2006 | Healthy | 0 (22) | 1.30 (0.79) |
| Coglan Butte, OR | 2002 | Healthy | 0 (19) | 1.64 (1.32) |
| Hall Mt., WA | 1987, 1989, 1996 | Healthy | 0 (12) | 1.00 (0) |
| Imnaha, OR (HC) | 2000 | Healthy | 0 (20) | 1.18 (0.56) |
| John Day, OR | 2002 | Healthy | 0 (20) | 1.30 (0.73) |
| Lostine, OR (HC) | 1982, 1983, 1986 | Healthy | 0 (31) | 1.32 (0.88) |
| Ram Mt., AB | 1999 | Healthy | 0 (20) | 1.00 (0) |
| Sierra Nevada, CA | 2005 | Healthy | 0 (17) | 1.16 (0.65) |
| Spence's Bridge, BC | 1997 | Healthy | 0 (24) | 1.00 (0) |
| Total, healthy populations | 0 (223) | 1.24 (0.79) | ||
| Black Butte, WA (HC) | 1995, 1997, 2000, 2003, 2006 | Pneumonia | 26 (39) | 5.78 (2.03) |
| Imnaha, OR (HC) | 2003, 2006, 2007 | Pneumonia | 6 (21) | 3.44 (1.67) |
| Lostine, OR (HC) | 1987, 2003, 2005, 2006 | Pneumonia | 26 (35) | 5.52 (2.44) |
| Muir Creek OR (HC) | 2003 | Pneumonia | 1 (1) | 7.85 |
| Peninsular, CA | 2005 | Pneumonia | 5 (6) | 6.46 (1.58) |
| Redbird, ID (HC) | 2003, 2006 | Pneumonia | 8 (19) | 3.50 (2.33) |
| Sheep Mountain, OR (HC) | 2006 | Pneumonia | 11 (12) | 6.15 (1.91) |
| Wenaha, OR (HC) | 2003, 2006 | Pneumonia | 8 (14) | 4.50 (2.66) |
| White Mountains, CA | 2005, 2006 | Pneumonia | 10 (11) | 6.27 (1.58) |
| Total, pneumonic populations | 101 (158) | 5.21 (2.35) |
a
AB, Alberta; BC, British Columbia; HC, population located in the Hells Canyon region.
b
Healthy, populations without documented or observed bronchopneumonia; pneumonia, populations with documented bronchopneumonia.
c
No. seropositive, number of sera with indirect hemagglutination titers of >1:40; total, number of sera tested.
d
GMT, geometric (log base 2) mean titers.