Regarding BW, a dose-effect relationship seemed be observed in favor of the highest dosage of the prebiotic ingredient: during the finishing period, the BW of calves receiving 6 g/d was higher than that of calves receiving 3 g/d. Overall, the FCR was decreased more with 6 than 3 g/d of scFOS, 5 and 3 points less,respectively, compared with the control diet when the
entire period was considered