Kyere C G, Annor S Y, Kagya-Agyemang J K and Korankye O 2017:
Effect of egg size and day length on reproductive and growth performance, egg characteristics and blood profile of the Guinea fowl.
Livestock Research for Rural Development. Volume 29, Article #180.
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, from http://www.lrrd.org/lrrd29/9/kyer29180.html