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Table 2 Individual mare variation in follicle growth rates and ultimate preovulatory diameter

From: Growth rate of ovulatory follicles during the first ovulatory oestrus (after seasonal anoestrus) and subsequent oestrous period in Irish Draught mares

  Ultimate diameter (mm) Growth rate from Day −11 (mm/day) Growth rate from Day −8 (mm/day)   Ultimate diameter (mm) Growth rate from Day −11 (mm/day) Growth rate from Day −8 (mm/day)
First ovulations 2nd/3rd ovulations
First half     First half    
1 50 3.64 3.75 1 53.5 2.95 2.56
2 50 2.95 3.38 2 51.5 3.41 2.23
3 48 2.64 1.63 3 49 2 1.5
4 47 1.95 1.5 4 48 3 2.45
5 46.5 2.23 2.06 5 47.5 No data 3.19
6 46 1.73 1.31 6 47 No data 2
7 46 1.77 1.81 7 47 No data 3.88
8 46 2.36 2.06 8 47 No data 3.38
9 45 2.05 2.19 9 45.5 No data 3.19
10 45 1.73 1.31 10 45 1.91 2.79
11 43 2.18 2.5 11 45 No data 1.93
12 43 2.09 2.13 12 44 No data 1.19
13 42 1.82 2.75 13 43 1.82 1.14
14 41 1.82 1.88 14 36 1.91 3
15 38.5 2.41 2.31 15 35 2.09 1.89
16 36.5 1.29 1.31 16 34 No data 1.86
     17 33 No data 1.57
Mean   2.17 2.12    2.39 2.34
Second half        
1 59 3.55 3 1 57.5 No data 3.87
2 54.5 3.05 3.06 2 51 2.09 2.3
3 50 1.18 0.88 3 46.5 No data 3.58
4 48.5 2.32 2.06 4 46.5 No data 3.25
5 48 2.56 2.75 5 46 No data 3.08
6 48 2.36 2.13 6 45.5 No data 2.58
7 46.5 2.09 1.94 7 44.5 No data 1.56
8 45 1.36 1.19 8 44 No data 1.36
9 43 1.68 1.75 9 43.5 2.32 3.25
10 42.5 2.5 2.13 10 43 No data 2.29
11 41.5 2.05 2.5 11 41.5 No data 3.5
12 41 2.82 2.63 12 41 No data 1.5
13 39.5 2.05 2.19 13 40.5 No data 2.92
14 39 2.09 1.75 14 38 2.36 0.88
15 36 2.36 3.25 15 35.5 No data 2.5
16 35 1.64 1.38 16 32.5 1.25 1.19
     17 31 1.4 1.38
Mean   2.23 2.16    1.88 2.41
Both halves        
Mean   2.2 2.14    2.19 2.37