The daily biogas production has ranged from 80-300 liters, an average of 110 liters per day. The
quantities of the biogas were produced from daily digested of 15 kg of fresh chicken manure; that
shows every kilogram of organic waste produce more than 1 kg of biogas, and the amount of amount
of heat produced from biogas equivalent to 19.7 MJ/m3
, which equivalent to 5.5 kW/m3
. The thermal
solar system has increased both digester temperature and biogas production rate.