Insect farming operates at stocking densities orders of magnitude higher than any other livestock, raising welfare questions that current science cannot fully answer but demands we take seriously.
Insect farming density welfare is genuinely uncertain in ways that more established animal welfare science is not. The fundamental question - whether insect crowding causes welfare harm - depends on both the moral status of the species and its species-typical behavioral ecology. Some insects naturally aggregate at high densities and may not experience crowding as aversive. Others are territorial or have individual behavioral repertoires that high density prevents. The precautionary welfare principle suggests that where moral status and density welfare are uncertain, erring toward lower density where this is operationally feasible is the appropriate approach. The growing insect farming industry is at the point where establishing density welfare research programs could prevent the entrenchment of practices that future science may reveal as welfare-harmful.