Fig. 1

SCFAs profile and corresponding SCFAs concentration (g COD/L) reached in AF of maize silage during the steady state of 15-day HRT, 12.5-day HRT, 10-day HRT, and 7.5-day HRT
SCFAs profile and corresponding SCFAs concentration (g COD/L) reached in AF of maize silage during the steady state of 15-day HRT, 12.5-day HRT, 10-day HRT, and 7.5-day HRT