Acer D002 lambed twins 06/03/2014 to Cernyw Our Ifan. Interested to see if a lamb really can suckle 250ml per Kg birthweight in their first 24 hours, I weighed these lambs…..and the answer is that they can!!!. The ram lamb in the picture was 6.1kg at birth and 7.7kg by this morning (48 hours old)