T
in
Celsius
140
30
120
25
100
20
80
15
60
10
40
Temperature
(C)
Number
of
cases
Cases
5
20
0
0
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Month
Fig 2: Total monthly cases of PRDS in Thoroughbred racehorses competing in the
Central Province Racing District of South Africa from 1987 to 2013 and average
monthly maximum temperature.
Proceedings
of
the
South
African
Equine
Veterinary
Association
Congress
2016
33