A review of the animal needs index (ANI) for the assessment of animals’ well-being in the housing systems for Austrian proprietary products and legislation

An “Animal Needs Index” ANI (German: “Tiergerechtheitsindex” TGI) was developed to be used primarily at farm level as an instrument for assessing and grading livestock housing with respect to the well-being of the animals. Today, several different systems exist. The approach pursued in Austria (ANI 35 L) considers five husbandry conditions: (1) possibility of mobility, […]