The methodology reflects the current development in the field of ensiling and preservation of fodder crops and feed mixtures over the past five years. Based on the results of research projects to date and detailed data obtained from 24 supplier companies, it provides a comprehensive analysis of the current state of the market for preservative additives. It includes detailed comparisons of active substances and their concentrations in commercial products, including practical examples documenting economic benefits. A structured guide for selecting optimal silage additives according to specific conditions and requirements is included. The methodology also creates a theoretical foundation for developing specialized software for silage process optimization. The document represents an up-to-date, practically oriented tool for agricultural enterprises, manufacturers, and distributors of silage additives.