The EAAP 2020 virtual Annual Meeting had several sessions about precision livestock farming, which also included two presentations about Precision Mineral Supplementation. The concept and perspectives of Precision Mineral Supplementation deals with a smart farming system for econmic and practical use of minerals and vitamins, amino acids, and other feed additives - see the presentation here:

The impacts on dairy cow performance are especially seen on the cow health, measured as number of disease event that require veterinarian involvement, but also on milk quality, reproduction and culling rate. See the presentation here: