Rape press cake is obtained by pressing of oil seeds of rape and summer rape on expellers in order to extract oil.

Rape press cake is one of the components of fodders from ration of cattle. Due to that fact that rape is referred to family of crucifers the obtained press cake is lactigenous fodder. Rather high content of protein allows to increase fat content of milk; low content of fiber allows to combine this additive with other fodders. Distinctive feature of this product is a high residue of raw oil in press cake. As far as rape oil contains oleinic acid which increases exchange energy of fodder there is a possibility to refuse from additional introduction of plant oils into rations of cattle. In this way use of rape press cake in milk farming leads to increase of quantitative and qualitative indicators of final product. i.e. to increase of milk yield and protein content of milk.