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Table 2 Tritrichomonas foetus prevalence of Wyoming individual bulls

From: Control and eradication of bovine trichomonosis in Wyoming, USA by testing and culling positive bulls

Year No tested No positive Prevalence (%) References
1997 433 5 1.15 [7]
1998 920 18 1.96 [7]
1999 1525 41 2.69 [7]
2000 4880 71 1.45 [7]
2001 6025 78 1.29 [7]
2002 6515 71 1.09 [7]
2003 6855 43 0.63 [7]
2004 7515 44 0.59 [7]
2005 7450 79 1.06 [7]
2006 7270 57 0.78 [7]
2007 7080 50 0.71 [7]
2008 7275 45 0.62 [7]
2009 7597 98 1.29 [7]
2010 8222 17 0.21 [7]
2011 10,301 18 0.17 [25]
2012 10,172 51 0.50 [25]
2013 10,142 25 0.25 [25]
2014 10,168 12 0.12 [25]
2015 10,054 14 0.14 [25]
2016 10,826 3 0.03 [25]
2017 11,369 0 0 [25]
2018 10,680 0 0 [25]
2019 9920 0 0 #
  1. Starting the year 2011, the data were from July 1 of the year to June 30 of the next one instead of the calendar year of January 1 to December 31 for the data presented from 1997 to 2010.
  2. #Personal communication with permission of Dr Jim Logan and Dr Douglas Leinart of Wyoming Livestock Board.