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Table 4 Summary of ELISA scores for Canadian sera sorted by management practices and era of collection

From: Serological evidence for historical and present-day exposure of North American bison to Mycoplasma bovis

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
  1. aAs a result of rounding individual percentages to the nearest tenth, the sum of all percentages does not equal 100
  2. MM minimally managed, RM ranch-managed