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Dirk Van den Abeele

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Ornitho-Genetics VZW
  • FAQ: Can pallid revert back to SL ino?

    27/07/2026 Dirk Van den Abeele

    FAQ: Is it possible that, after several generations, the offspring of a pallid hen suddenly produce only SL ino young, assuming we are certain that

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  • FAQ: Naming order in mutation combinations

    27/04/2026 Dirk Van den Abeele

    FAQ: Naming order in mutation combinations Enthusiasts often like to combine different color mutations. This raises the question: in what order should the names of

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  • FAQ: melanin, eumelanin, phaeomelanin, melanocytes, melanosomes and keratinocytes?

    20/03/2026 Dirk Van den Abeele

    Nederlandse versie onderaan FAQ: When studying your articles on feather structure, terms such as melanin, eumelanin, phaeomelanin, melanocytes, melanosomes and keratinocytes in bird feathers are

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  • FAQ: Can a DNA or blood test detect the presence of colour mutations (split factor) in the genome?

    01/03/2026 Dirk Van den Abeele

    Nederlandse versie onderaan FAQ: Can a DNA or blood test detect the presence of colour mutations in the genome? We’ve been receiving this question more

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  • FAQ: pallidino or PallidIno?

    06/12/2025 Dirk Van den Abeele

    FAQ: The international guidelines state that combinations of alleles should be written as one word and that the names of both alleles must begin with

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FAQ: Are slaty and misty the same mutation and / or are they a grey mutant?

25/11/2020 Dirk Van den Abeele FAQ, General 10 comments

FAQ: Are slaty and misty the same mutation and / or are they a grey mutant? The answer is actually

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Agapornis roseicollis pale

22/11/2020 Dirk Van den Abeele Articles - Artikels, Articles UK, General

Agapornis roseicollis pale? By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group Published BVA Magazine August 2017

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Dense sampling of bird diversity increases power of comparative genomics

18/11/2020 Dirk Van den Abeele General 2 comments

Nature ( the world’s leading multidisciplinary science journal) published an article  in which they announced a substantial step towards the

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FAQ: can we have DF hens in SL (incomplete) dominant mutations?

12/11/2020 Dirk Van den Abeele FAQ, General

FAQ: can we have DF hens in SL (incomplete) dominant mutations?  Answer: NO A sex linked (incomplete) dominant mutation is

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On request: Agapornis roseicollis: dilute versus pallid

06/11/2020 Dirk Van den Abeele Articles - Artikels, Articles UK 10 comments

Agapornis roseicollis: dilute versus pallid By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice group Published BVA-International Journal 

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Agapornis fischeri dominant reduced

21/10/2020 Dirk Van den Abeele Articles - Artikels, Articles UK One comment

Agapornis fischeri dominant reduced (nm) – mutationem novum Door Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group

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Researchers at Powdermill Nature Reserve observe rare gynandromorph bird

16/10/2020 Dirk Van den Abeele General, Genetics

Researchers at Powdermill Nature Reserve observe rare gynandromorph bird containing both male and female characteristics [Pittsburgh, Pennsylvania, September 28, 2020]

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Birds of the Tres Marías archipelago

15/10/2020 Dirk Van den Abeele General, Taxonomy

The Tres Marías archipelago off western Mexico, is currently considered to have 24 endemic subspecies of landbirds. In a recent

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Halfsiders, gynandromorphism and mosaics

04/10/2020 Dirk Van den Abeele Articles - Artikels, Articles UK, Genetics 6 comments

Halfsiders, gynandromorphism and mosaics By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group Published in BVA-International journal

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Have cockatiels or Agapornis species parents crop milk as pigeons have?

14/09/2020 Dirk Van den Abeele FAQ, General 3 comments

I am afraid not. Crop milk is a semi-solid, crumbly excretion high in fat and protein that some bird species

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Results analysis blue2 feathers

11/09/2020 Dirk Van den Abeele General 2 comments

Update 11/01/2022 No trace of psittacofulvins were found in feathers of blue1 or blue2 Agapornis fischeri and Agapornis personatus. As

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Beak colour canus – Snavelkleur canus

03/09/2020 Daniel Nuijten General

Ornitho-genetics is currently looking into the beak colour of Agapornis canus. At the BVA Masters of 2012 judges noticed birds

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Canary with five toes

29/08/2020 Dirk Van den Abeele General, Genetics One comment

Birds have maximum four toes, but bird feet can have different patterns. Most common are: Anisodactyly: three toes forward and

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We have closed our Facebook account

28/08/2020 Dirk Van den Abeele General

We have closed our Facebook account. Further announcements related to aviculture will be made exclusively through this website www.ogvzw.org and

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Violet factor in Forpus coelestis???

07/07/2020 Dirk Van den Abeele General

After we published our article in which we discussed the possible presence or absence of a violet factor in Forpus

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FAQ: If blue1 and blue 2 are alleles …

03/07/2020 Dirk Van den Abeele FAQ, General, Genetics One comment

FAQ: if blue1 and blue2 are alleles of the same gene, is it possible that each allele (blue1 or blue2)

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Recent posts

  • DNA Redfactor Agapornis fischeri – bloodsamples
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  • Urgent call: Agapornis roseicollis family requested for DNA project (preferably in Belgium)
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Most read today

  • On request: Blue, aqua and turquoise mutations in Lovebirds
    On request: Blue, aqua and turquoise mutations in Lovebirds
  • Our genetic calculator is now live on BirdManager
    Our genetic calculator is now live on BirdManager
  • On request: Agapornis roseicollis: dilute versus pallid
    On request: Agapornis roseicollis: dilute versus pallid
  • FAQ: Can pallid revert back to SL ino?
    FAQ: Can pallid revert back to SL ino?
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