Fig. 8
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12917-019-1980-z/MediaObjects/12917_2019_1980_Fig8_HTML.png)
Distribution of the number of dogs aborting or completing all stages of the SSET. Distribution of the number of dogs aborting (day 0 n = 3, day 90 n = 3, day 180 n = 4) and the number of dogs completing all of the six stages (day 0 n = 18, day 90 n = 18, day 180 n = 17) of the SSET at days 0, 90 and 180. The reasons for abortion of the SSET were lameness (n = 1) or reluctance to run (n = 9). The heart rate of the dogs did not exceed 240 bpm at any point of the SSET and no dog showed signs of overstraining