Table 1 Animal models used in the studies
Animals | Nr of studies | Males | Neutered males | Females | Neutered females |
|---|---|---|---|---|---|
Large animals | 39 | 206 (48%) | 146 (71%) | 222 (52%) | 38 (17%) |
 Horses | 31 | 124 (60%) | 97 (78%) | 82 (40%) | 0 (0%) |
 Dogs | 4 | 78 (58%) | 49 (63%) | 57 (42%) | 38 (67%) |
 Sheep | 4 | 0 (0%) | 0 (0%) | 83 (100%) | 0 (0%) |
Small animals | 111 | 4364 (73%) | 0 (0%) | 1651 (27%) | 0 (0%) |
 Rabbits | 27 | 391 (77%) | 0 (0%) | 116 (23%) | 0 (0%) |
 Rats | 79 | 3285 (70%) | 0 (0%) | 1395 (30%) | 0 (0%) |
 Mice | 5 | 688 (83%) | 0 (0%) | 140 (17%) | 0 (0%) |