By Charlie Duffield A hen has laid her first-ever egg, and it had a triple yolk, which means it beats the odds of 25million to one. Kelly Rae only bought six-month-old Myrtle last month, and she joins three other ‘sister’ hens – Maude, Mitzi and Mabel – in her back garden. Kelly is from Bradford in West Yorkshire, and was thrilled when new hen Myrtle laid her first egg. She went to collect it straight away, but was then astonished when she noticed what size it was. The large egg was over twice the size of a regular egg, and didn’t fit her hand. Kelly was so excited to eat it that she forgot to…