This dataset corresponds to the raw data which will be used for a datapaper (in preparation for Data in Brief) and a publication (in preparation for International Dairy Journal). This dataset consists in a Microsoft excel Worksheet containing 4 sheets: 1) information on variables, 2) whole dataset, 3) missing data estimation, 4) dataset+estimated-data, 5) dataset_PCA-68samples, 6) correlation-matrices-68samples, 7) dataset_chewing-activity, 8) correlation-matrices_Chewing, 9) dataset_22samples-fatty, 10) correlation-matrix_22samples.