Farmers named him Mum as he dwarfs other 85 ewes born this season . Big Ben is experienced seven-year-old but other offspring all weighed 8-10lbs . Born two weeks after biggest ever lamb born in Wales , weighing 24lbs .
Farmers named him Big Ben as he dwarfs other 85 ewes born this season . Mum is experienced seven-year-old but other offspring all weighed 8-10lbs . Born two weeks after biggest ever lamb born in Wales , weighing 24lbs .