Fig. 2From: Nitrogen bound to manure fiber is increased by applications of simple phenolic acidsManure ADF-N (%) for individual cows (open symbols) fed an oat-hay mixed ration for a Experiment 1 and b Experiment 2. Samples were analyzed after treatment with water or without treatment (sample handling only). Filled symbols indicate arithmetic mean values (n = 5 for a and n = 10 for b). Error bars indicate the standard error of the meanBack to article page