Benefits: Perle Morbide Bianche® completely replaces the germinated seeds for: canaries, canarini, goldfinches, bullfinches, siskins, american spinus, redpolls and other finches, included exotic birds and estrildid finches. They’re very easy to prepare. They prevent the well-known germination risks. They reduce the black dots of nestlings and they make them disappear. It’s possible to add in the water, used for preparation, any kind of medecine or soluble additive.