Table 4 Summary of ELISA scores for Canadian sera sorted by management practices and era of collection
ELISA score | No. (%) of sera collected from MM bison in the era indicated | No. (%) of sera collected from RM bison in the era indicated | ||||
|---|---|---|---|---|---|---|
1999 or prior | 2000 or later | Total | 1999 or priora | 2000 or later | Total | |
Neg | 223 (94.9) | 303 (94.4) | 526 (94.6) | 500 (95.1) | 567 (90.6) | 1067 (92.6) |
1+ | 7 (3.0) | 7 (2.2) | 14 (2.5) | 13 (2.5) | 34 (5.4) | 47 (4.1) |
2+/3+ | 5 (2.1) | 7 (2.2) | 12 (2.2) | 12 (2.3) | 17 (2.7) | 29 (2.5) |
4+/5+ | 0 | 4 (1.2) | 4 (0.7) | 1 (0.2) | 8 (1.3) | 9 (0.8) |
Total | 235 | 321 | 556 | 526 | 626 | 1152 |