Affluent effluent possible for piggeries

ABOUT 16 percent of the manure effluent of the Australian pig herd is now directed to biogas systems, equating to 29 percent of the herd housed in conventional sheds at piggeries larger than 500-sow farrow-to-finish, which is the cut-off for feasibility of these systems. Before Pork CRC’s Bioenergy Support Program commenced in 2012, manure from…