SAEVA Proceedings 2016 | Page 33
120
105
Number
of
cases
100
89
80
64
60
40
39
20
13
18
24
25
30
26
22
31
30
28
47
50
59
42
32
32
5
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
20
25
30
44
47
57
Year
Fig 1: Number of PRDS cases reported in Thoroughbred racehorses competing on
the Highveld of South Africa from 1987 to 2013.
Proceedings
of
the
South
African
Equine
Veterinary
Association
Congress
2016
32