What about psittacofulvins in blue2 Agapornis personatus and Agapornis fischeri?

Blue Agapornis fischeri and Agapornis personatus are considered not producing any psittacofulvins (psittacines) in the feathers. However, we cannot ignore the fact that there are breeders who argue that their – pure bred – blue2 birds sometimes show traces of psittacofulvins in their feathers (to be clear, blue2 not in combination with *sapphire*).
Others are 100% sure and state that even in budgerigars [Melopsittacus undulatus] and ring-necked parakeets [Psittacula krameri], blue (2 ???) birds always contain psittacofulvins remains in their feathers.

If we consider the possible genetic causes behind this mutation, then we cannot completely exclude this possibility. So, we believe it is time to try to find a clear answer and not to continue to rely on assumptions. There fore, we have collected feathers from (100% pure bred) blue2 Agapornis fischeri and Agapornis personatus.
We will scan them with the Raman technology and if there are any psittacofulvins in the feathers, then we must be able to trace them. So hopefully time will tell.

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