13 Apr 2011 ... Explains which chickens may lay double-yolk eggs, why they lay ... can cause some hens or breeds to have a higher propensity for double ... www.betterhensandgardens.com |
What Causes Double Yolk Eggs? When an egg starts its journey inside the hen, the first thing formed is the ovum in the hen's ovary. This grows and the colour ... www.poultry.allotment.org.uk |
3 Feb 2010 ... Double-yolk eggs result from an error in this process, caused by yolk production becoming unsynchronised with that of the rest of the egg. www.dailymail.co.uk |