For years UK farmers have been squeezed by the big supermarkets on cost, while the consumer expects higher standards. <br /><br />Add in avian flu and rising costs and it seems that these pressures are now producing a national egg shortage. <br /><br />Several supermarkets are rationing eggs for customers and on Thursday Waitrose, which is not setting limits, committed to paying farmers an extra £2.6m to maintain supply. <br /><br />Our science correspondent Kate Lamble has been to Newport, Wales to find out which shortage came first - the chicken or the egg. <br /><br />Please subscribe HERE bit.ly/1rbfUog<br /><br />—<br /><br />Website: https://www.bbc.co.uk/newsnight <br />Twitter: https://twitter.com/BBCNewsnight <br />Facebook: https://www.facebook.com/bbcnewsnight
