Protein feeds areessential in livestock nutrition. They are important for the economic stability of breeding. An alternative to protein feeds can be rapeseed, which appears on the market in a wide range of feed products. The advantage is the use in feed as waste from food production and thus its maximum use. In the nutrition of dairy cows, it is a feed that, when optimally included in the KD, ensures sufficient fat and protein substances with a favorable content of amino acids.