Matilda soft shelled eggs

[Glutton4...]

Limestone flour is available from anywhere that sells stuff for horses - I think it's a food additive for ponies.

You're right Auntie Flum! Just to show off - they use it as a supplement if they feed Bran, which a lot of people use as bulk/filler with, or instead of Chaff. Bran draws calcium from the body, which is why you shouldn't feed it to youngsters or oldies.

Right, off for a lie down now...