In recent years, many studies analyzed the environmental, health and economic implications of the production and consumption of different foods – and, on this basis, evaluated their sustainability. However, associated impacts on animals have remained largely unexamined and existing assessment approaches are still immature and often lack reflection on their normative assumptions and resulting implications... 
https://www.sciencedirect.com/science/article/pii/S2352550924002902?via%3Dihub