130 Neb. Admin. Code, ch. 1, § 002
"Animal feeding operation" means a location where beef cattle, dairy cattle, horses, swine, sheep, poultry, or other livestock have been, are, or will be stabled or confined and fed or maintained for a total of forty-five days or more in any twelve-month period and crops, vegetation, forage growth, or post-harvest residues are not sustained in the normal growing season over any portion of the location. Two or more animal feeding operations under common ownership are deemed to be a single animal feeding operation if they are adjacent to each other or if they utilize a common area or system for the disposal of livestock waste. Animal feeding operation does not include aquaculture as defined in Neb. Rev. Stat. § 2-3804.01.
130 Neb. Admin. Code, ch. 1, § 002