index;code;used;meaning;represents 1;ELISA;columns+filenames+foldernames;enzyme-linked immunoassay;assay used to get relative titers of natural antibody within plasma obtained from pigs 2;sex;columns;gender of animal;m = male pig (boar) # f = female pig (sow) 3;bodyweight;columns+filenames+foldernames;bodyweight of pigs; body weight of pigs as data point represented by kg with one decimal 4;Odvalue;columns;optical density value of ELISA;optical density values output from the ELISA assay 5;Abtiters;columns;antibody titers from ELISA;unit-less relative antibody titers with 1 decimal calculated from the ODvalues with 1 decimal 6;lesion_score;columns;lesion score;lesions visually scored on pigs body with score 1 (no lesions) # score 2 (mild red lesions without blood) # 3 (dark red lesion without fresh blood but dried blood possible) # 4 (fresh lesion with some blood) 7;farmer[1-10];filenames+transcripts;farmer consecutively numbered;one of 10 individuals with pig farming as an occupation 8;sero_value;columns;serotonin value;serotonin value measured from serotonin assay in nanomole per milliliter 9;HeWa;filenames+foldernames;health and welfare;indication of the project abbreviation name etc;;;; etc;;;; etc;;;;