Research shows there is a crucial opportunity during weaning to cut allergy cases by 77%.

They say the government's advice on weaning - which says no solids until around six months - needs to change.

Experts warn whole or chopped nuts and peanuts are a choking risk and should not be given to children under five.

The current NHS guidance does say peanut (crushed, ground or butter) can be introduced from around six months old.

A baby is ready for their first solid food if:

• they can stay in a sitting position, holding their head steady
• co-ordinate their eyes, hands and mouth so they can look at their food, pick it up and put it in their mouth
• swallow food, rather than spit it back out