Bioenergy Production Potential of Available Biomass Residue Resources in Ethiopia

Table 2

Estimated animal residue generation and bioenergy potential.

Livestock	Production (million)	Dry dung (kg·d^−1)^a	Collection efficiency (%)^b	LHV (GJ·t^−1)^c	Gross manure (ktDM·y^−1)	Amount of dry matter recoverable (ktDM·y^−1)	Potential harvestable bioenergy (PJ·y^−1)
Cattle	70.29	1.86	43	16.7	47636	20245	337
Sheep	42.91	0.37	32	14.0	5819	1852	26
Goat	52.46	0.42	29	14.0	8065	2299	32
Horses	2.15	3.15	31	12.0	2470	766	9
Donkey	10.79	3.00	31	11.0	11817	3663	40
Poultry	56.99	0.05	68	11.0	1137	773	9
					76944	29598	454

^aDry dung data were obtained from [6, 7, 24, 52, 55, 59] for cattle, sheep, goat, and poultry and from [7, 52] for horses. ^bCollection efficiency data were obtained from [6, 7, 52, 55, 59, 64] for cattle, sheep, and goat, from [7, 52, 64] for horses, from [64] for donkey, and from [6, 7, 52, 55, 59] for poultry. ^cLHV data were obtained from [6, 7, 24] for cattle, sheep, goat, and poultry and from [7, 65] for horses. Author assumption.