1. Egg Production Breaks Recordhttp://www.poultrytrends.com/2016/#/32
2. Current knowledge on sex determination and sex diagnosis: Potential solutions;Ellendorff;World’s Poult. Sci. J.,2003
3. Growth, behaviour and carcass characteristics of egg-type cockerels compared to male broilers;Gerken;World’s Poult. Sci. J.,2003
4. Killing day-old chicks? Public opinion regarding potential alternatives;Leenstra;Anim. Welf.,2011