On request we published a list of proven and possible colour mutations in Forpus coelestis. You can consult it on
Author: Dirk Van den Abeele
DNA Research 2022 – update
In the past months, with the help from several enthusiasts, we were able to collect feathers from different colour mutations.
FAQ: How to determine the reduction percentage of the eumelanin for colour mutations?
FAQ: How to determine the reduction percentage of the eumelanin for colour mutations? We often read in the standards and
Update on *pallid* Agapornis fischeri
As with any possible new colour mutation, there are many opinions in the early stages. There are believers and non-believers.
Why is pink the colour of virgin birds?
Ismael Galván of National Museum of Natural Sciences (Spain) uncovers to exciting role of porphyrin colouration and what it might
FAQ: This one you won’t believe :)
Sometimes breeders can argue about the most crazy things, that’s what i learned this week 🙂 I received 14 emails
New proposed taxonomy for Estrildidae and Chloebia gouldiae
The last decades taxonomist classified the Gouldian finch (aka the Lady Gouldian finch, Gould’s finch or the rainbow finch) in
FAQ: different expression gene after genetic introgression?
FAQ: is it possible that a gene has a different expression after genetic introgression (transmutation)? For a start: The expression
A new case of parthenogenesis in California condor
A new case of parthenogenesis has been described in California condor (Gymnogyps californianus) Parthenogenesis is a relatively rare event in
Fallow mysteries – update
In 2018 we received information from a South African Agapornis breeder that the dun fallow Agapornis fischeri / Agapornis personatus
Fallow mysteries
Fallow mysteries By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group Published BVA-International magazine February 2017 That
FAQ: What is the best way to name the combination of a crossing-over with alleles of the same gene or epistatic genes??
FAQ: What is the best way to name the combination of a crossing-over with alleles of the same genes or
FAQ: use of capital letters in names of color mutations
FAQ: In the BVA-International nomenclature, the name of a mutation is never written with a capital letter (except at the
FAQ: Is the difference between eumelanin and phaeomelanin visible on cross sections of feathers?
FAQ: Is the difference between eumelanin and phaeomelanin visible on cross sections of feathers? Yes, that difference is clearly visible
FAQ: Green versus wild type
FAQ: is green the same as wild type? When we search for the meaning of wild type in a dictionary,
Follow-up to our webinar on Non-Mendelian inheritance and epigenetic change in colour mutations in birds
This afternoon we had a follow-up to our webinar of March 19 about Non-Mendelian inheritance and epigenetic change in colour