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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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Afscheid van een vriend

30/11/2018 Dirk Van den Abeele General 2 comments

Vandaag vernamen we het overlijden van onze goede vriend Etienne Moernaut. Als BVA lid en medewerker van het eerste uur

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SL dominant greywing mutation in Agapornis fischeri???

07/11/2018 Dirk Van den Abeele General 2 comments

In April, we announce on our blog that Willie Matthews did a lot of test mating with what he believe

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FAQ: X and Y or Z and W chromosomes?

29/10/2018 Dirk Van den Abeele FAQ, General, Genetics

FAQ: X and Y or Z and W chromosomes? In aviculture societies in Europe, the sex-chromosomes in birds was, for

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DM jade

19/10/2018 Dirk Van den Abeele General

As promised to Mr. Jameson Yerevan, I discussed this week his proposition to use DM (Dimorphemic) in combination with jade.

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FAQ: genetic symbols and formulas

16/10/2018 Dirk Van den Abeele FAQ, General, Genetics

FAQ: why are you using different genetic symbols / formulas in your book than in mammals (humans)? Did you invent

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FAQ: is it possible that jade is not a basic mutation but a crossing-over between marbled and cinnamon?

08/10/2018 Dirk Van den Abeele FAQ, General

FAQ: is it possible that jade is not a basic mutation but a crossing-over between marbled and cinnamon? No, it

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FAQ: blue x blue = ??? green??

20/09/2018 Dirk Van den Abeele FAQ, General 2 comments

Updated December 29, 2020 Extract from my article published in the BVA-International journal from April 2019 In 2017 I was

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FAQ: non pied youngsters from dominant pied x dominant pied

04/09/2018 Dirk Van den Abeele FAQ, General

FAQ: normal green – non pied – youngsters from a couple dominant pied x dominant pied, is this possible? Of

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FAQ: are combinations of alleles of the same gene on the Z chromosome only males?

09/08/2018 Dirk Van den Abeele FAQ, General, Genetics 2 comments

FAQ: are combinations of alleles of the same gene on the Z chromosome only males? (PallidIno or PaleIno or PalePallid)

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FAQ: How can we differentiate (the hybrid) sable phenotypes and opaline in blue Agapornis fischeri?

02/08/2018 Dirk Van den Abeele FAQ, General One comment

FAQ: How can we differentiate (the hybrid) sable phenotypes and opaline in blue Agapornis fischeri? It is good that you

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Genus Neophema, een taxonomisch overzicht

19/07/2018 Dirk Van den Abeele Articles - Artikels, Artikelen NL, Taxonomy

Genus Neophema, een taxonomisch overzicht Door Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group We merken de

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Inteelt – Inbreeding

08/06/2018 Dirk Van den Abeele General

Recent werden de bevindingen gepubliceerd van een onderzoek naar de gevolgen van inteelt. Gedurende drie jaar werden de broedresultaten bestudeerd

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Ze zijn er gelukkig nog – 2

07/05/2018 Dirk Van den Abeele General

Wildtype Agapornis fischeri

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S.O.S. Red Siskin

07/03/2018 Dirk Van den Abeele General

Jesús Morales-Campos is projects Analyst of the Red Siskin [Spinus cucullatus] preserve program in Venezuela. He will be conducting a

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Forpus coelestis: Yellam green

05/03/2018 Dirk Van den Abeele Articles - Artikels, Articles UK

Forpus coelestis: Yellam green By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice group It was at the

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Forpus coelestis: Yellam green

05/03/2018 Dirk Van den Abeele Articles - Artikels, Artikelen NL

Forpus coelestis: Yellam green Door Dirk Van den Abeele Ornitho-Genetics VZW Het was eind 1980 toen er in Amerika een

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