                                        Scarce or inaccessible resources for all animals (includes area, food, water, enrichments)                   Bad practices of grouping, regrouping and density management     Good grouping practices\                                                                \[[@B00-animals-00-00000]\]                                                                                                                                                                                                                                                                                                                             Ensure that resources are available for all animals                                                                                                                          Pigs                                                                                  Neonatal mortality                                                                                           Infrastructure                                                   Bad peripartum practices                                                                Reduce s