methanogenesis. The presence of various antibiotics in poultry waste may inhibit anaerobic
digestion (AD). The current study aimed at investigating the effects of various antibiotics on
the AD of poultry litter. The batch experiments were performed with an inoculum/substrate
ratio of 1 in sealed glass vials incubated under anaerobic conditions at 37° C for 21 days.
The antibiotics, ie, bacitracin (BAC), erythromycin (ERY), monensin (MON), and tetracycline …