Correction to: Comparing energy state and environmental impacts in ostrich and chicken production systems.

The correct name of the 3 Author is shown in this paper.

Comparing energy state and environmental impacts in ostrich and chicken production systems.

Energy state and environmental impacts of production systems are of main criteria to reach sustainability. In the present research, ostrich was compared with a broiler production system based on the criteria. The required data was gathered in Boukan Township, West Azerbaijan, Iran, by a questioner method.