clear the crop with soda crystals then charcoal tablets you get from boots for £2.95
mix a teaspoon of soda crystals in20ml of warm water put it in the bird with a syringe it will make them sick wait till all the food is up then do it again make sure there is no food left in the crop
then pop a charcoal tablet down the throat don't feed for 24 hours then feed depurative lightly for three days
bobs your uncle barts your mate cheques made payable to robin barsteward
thank you