A system for analyzing feed mixtures, which comprises: a mixing apparatus suitable for containing a plurality of feeds and comprising a mixing means suitable for mixing said plurality of feeds so as to define a feed mixture; a sensing means suitable for acquiring chemical and/or physical parameters of the feed mixture; and a processing unit connected to the sensing means.The sensing means comprises at least an image acquisition device and the processing unit is configured to determine the degree of homogeneity of the feed mixture and/or configured to determine the length of the fibers included in the mixture.