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Table 1 Summary of the origin, year of collection and ELISA score for the bison sera evaluated

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

Country and site of origina State or province of origin Management Year of No. of ELISA score   
status collection sera 0 1+ 2+/3+ 4+/5+ % neg % pos
Can-N Northwest Territories MM 1984–1987b 58 56 1 1 0 96.6 3.4
US-E South Dakota unknown 1985 8 8 0 0 0 100 0
US-D Wyoming unknown 1988 214 200 10 1 3 93.5 6.5
Can-P Northwest Territories MM 1994 126 120 4 2 0 95.2 4.8
Can-H Alberta RM 1996 65 63 2 0 0 96.9 3.1
Can-I Alberta RM 1996 41 39 2 0 0 95.1 4.9
Can-J Alberta RM 1996 46 46 0 0 0 100 0
Can-K Alberta RM 1997 89 87 1 1 0 97.8 2.2
Can-L Alberta RM 1997 47 43 1 3 0 91.5 8.5
Can-B Alberta RM 1997 12 11 0 1 0 91.7 8.3
US-W Wyoming MM 1997 7 7 0 0 0 100.0 0.0
US-W Wyoming MM 1998 27 26 1 0 0 96.3 3.7
Can-O Northwest Territories MM 1998 51 47 2 2 0 92.2 7.8
Can-A Alberta RM 1998 127 123 1 3 0 96.9 3.1
US-A Oklahoma or Kansas unknown 1999 142 122 11 6 3 85.9 14.1
Can-C Saskatchewan RM 1999 99 88 6 4 1 88.9 11.1
US-W Wyoming MM 1999 15 12 3 0 0 80.0 20.0
US-F Utah MM 1999 30 30 0 0 0 100 0
US-B Missouri unknown 1999 6 2 1 1 2 33.3 66.7
US-C Nebraska unknown 1999 294 266 17 10 1 90.5 9.5
Can-M Alberta MM 2000 105 105 0 0 0 100 0
Can-P Northwest Territories MM 2000 70 66 2 1 1 94.3 5.7
US-W Wyoming MM 2000 12 12 0 0 0 100.0 0.0
Can-E Alberta RM 2000 149 139 6 3 1 93.3 6.7
Can-F Alberta RM 2000 36 29 5 2 0 80.6 19.4
Can-G Alberta RM 2000 291 259 20 10 2 89.0 11.0
Can-D Saskatchewan RM 2001 150 140 3 2 5 93.3 6.7
US-W Wyoming MM 2001 12 12 0 0 0 100.0 0.0
Can-O Northwest Territories MM 2001 82 75 4 1 2 91.5 8.5
US-H New Mexico/Colorado MM 2001 14 13 1 0 0 92.9 7.1
US-I Montana MM 2001 12 12 0 0 0 100 0
US-J New Mexico MM 2001 12 12 0 0 0 100 0
US-W Wyoming MM 2002 12 11 1 0 0 91.7 8.3
US-W Wyoming MM 2003 12 12 0 0 0 100.0 0.0
US-W Wyoming MM 2004 12 12 0 0 0 100.0 0.0
US-W Wyoming MM 2005 12 12 0 0 0 100.0 0.0
US-W Wyoming MM 2009 12 11 1 0 0 91.7 8.3
US-G Wyoming/Montana MM 2009 16 16 0 0 0 100 0
US-W Wyoming MM 2010 12 11 0 0 1 91.7 8.3
US-W Wyoming MM 2011 12 11 1 0 0 91.7 8.3
Can-Q Saskatchewan MM 2011 31 28 1 2 0 90.3 9.7
US-G Wyoming/Montana MM 2011 2 2 0 0 0 100 0
US-N Iowa MM 2012 25 24 0 1 0 96.0 4.0
US-V New Mexico MM 2012 40 39 0 1 0 97.5 2.5
US-R Iowa MM 2012 8 7 1 0 0 87.5 12.5
US-W Wyoming MM 2013 15 15 0 0 0 100.0 0.0
US-R Iowa MM 2013 31 29 1 1 0 93.5 6.5
US-U Wyoming MM 2013 59 55 0 3 1 93.2 6.8
US-G Wyoming/Montana MM 2014 55 51 3 1 0 92.7 7.3
US-K Nebraska MM 2014 33 33 0 0 0 100 0
US-L Montana MM 2014 26 24 0 0 2 92.3 7.7
US-M Oklahoma MM 2014 30 27 1 1 1 90.0 10.0
US-Q New Jersey MM 2014 8 8 0 0 0 100 0
US-N Iowa MM 2014 19 19 0 0 0 100 0
US-O Colorado MM 2014 11 11 0 0 0 100 0
US-O Colorado MM 2014 22 22 0 0 0 100 0
US-S Tennessee RM 2014 17 15 2 0 0 88.2 11.8
US-T Oklahoma MM 2014 40 34 3 2 1 85.0 15.0
US-G Wyoming/Montana MM 2015 45 43 2 0 0 95.6 4.4
US-P North Dakota MM 2015 6 6 0 0 0 100 0
US-G Wyoming/Montana MM 2016 32 32 0 0 0 100.0 0.0
US-W Wyoming MM 2016 15 14 1 0 0 93.3 6.7
US-G Wyoming/Montana MM 2017 75 71 2 2 0 94.7 5.3
US-W Wyoming MM 2017 12 11 0 1 0 91.7 8.3
Can-R Alberta MM 2017 33 29 0 3 1 87.9 12.1
US-G Wyoming/Montana MM 2018 23 22 1 0 0 95.7 4.3
US-W Wyoming MM 2018 12 12 0 0 0 100.0 0.0
US-O Colorado MM 2019 12 11 0 1 0 91.7 8.3
US-N Iowa MM 2019 9 8 1 0 0 88.9 11.1
Total     3295 3068 126 73 28   
  1. US United States, Can Canada, MM minimally managed animals, RM ranch-managed animals
  2. aLetters are used to anonymize the specific ranch, herd or other site within the country indicated
  3. bRecords are unclear as to the specific year of collection