um\                                                                                                                                                                                                                                                                                                                                                                                                        Nutritional management                                                                                                                                                       Heat stress                                                                           Absence of overheating prevention mechanisms\                                                                High density\                                                    Shade\                                                                                  \[[@B000-animals-00-00000]\]                                                                                                                                              Absence of heat dissipation mechanisms\                                                                      Poor selection of breeds to put on site                          Fans\                                                                                                                                                                                                                                                             Food                                                                                                                                                                          Water sprinklers\                                                                                                                                                                                                                                                                                                                                                                                                                               Reduce density\                                                                                                                                                                                                                                                                                                                                                                                                                                 Use adapted breeds                                                                                                                                                           Diarrhoea                                                                             Dirty 