@article {menge2005bio,
	title = {Bio-economic model to support breeding of indigenous chicken in different production systems},
	journal = {International Journal of Poultry Science},
	volume = {4},
	number = {11},
	year = {2005},
	pages = {827{\textendash}839},
	publisher = {Asian Network for Scientific Information},
	author = {IS Kosgey}
}
