British Supermarkets Start to Ration Eggs

The logos of the UK's leading supermarkets Lidl, Asda, Sainsbury's, Waitrose, Tesco, Aldi, and Morrisons, are displayed outside various branches in Bristol, England, on Nov. 18, 2015. Matt Cardy/Getty Images

Major supermarket chains Asda and Lidl have started to ration the number of boxes of eggs customers can buy owing to supply chain issues.

Both stores said the measure is temporary and because of avian flu which has disrupted the supply of some egg ranges.