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Dirk Van den Abeele

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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: Is it possible for a color mutation once it has been introgressed into another species to look different than in the original species

    25/08/2025 Dirk Van den Abeele

    FAQ: Is it possible for a color mutation, once it has been introgressed into another species, to look different than in the original species? Answer:

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The start

13/05/2021 Dirk Van den Abeele General 6 comments

We just started with DNA extraction to examine the blue locus in genus Agapornis.

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Study of the presence of pheomelanin in parakeet feathers

31/03/2021 Dirk Van den Abeele Articles - Artikels, Articles UK, General 7 comments

Study of the presence of pheomelanin in parakeet feathers By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice

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FAQ: How to distinguish between the different fallow types in genus Agapornis?

13/03/2021 Dirk Van den Abeele FAQ, General 7 comments

FAQ: How to distinguish between the different fallow types in genus Agapornis? The existing fallow types In genus Agapornis are

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Update on *AR grey* Agapornis roseicollis

01/03/2021 Dirk Van den Abeele General One comment

A few weeks ago, I was approached by Florian Gouze (France) who had reservations by the* AR grey* Agapornis roseicollis,

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In search of the genetic background of *Sapphire* Agapornis fischeri.

16/02/2021 Dirk Van den Abeele Articles - Artikels, Articles UK, General 14 comments

A more extensive and detailed version of this article has been published in the BVA-International magazine of June 2021 In

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Papegaaien kweken: een stukje geschiedenis

28/01/2021 Dirk Van den Abeele Articles - Artikels, Artikelen NL

Papegaaien kweken: een stukje geschiedenis Door: Bert Van Gils Een aantal onder ons herinneren zich nog de tijd dat de

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Hoe oud worden papegaaien (echt)?

18/01/2021 Dirk Van den Abeele Articles - Artikels, Artikelen NL One comment

Hoe oud worden papegaaien (echt)? Door: Bert Van Gils Inleiding Papegaaien staan erom bekend dat ze hoge leeftijden kunnen bereiken

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Farewell my friend

08/01/2021 Dirk Van den Abeele General 4 comments

We just received the terrible news that Gerald Van der Linde passed away this morning. Gerald was one of the

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We updated our info on FAQ: Blue x Blue is Green?

04/01/2021 Dirk Van den Abeele General

We updated our info on FAQ: Blue x Blue is Green? FAQ: blue x blue = ??? green??

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FAQ: is there a visual difference between blue1 and blue2?

15/12/2020 Dirk Van den Abeele FAQ, General 7 comments

FAQ: is there a visual difference between blue1 and blue2? Answer: I am afraid not. There were rumours / assumptions

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Parthenogenesis in Agapornis roseicollis

10/12/2020 Dirk Van den Abeele Articles - Artikels, Articles UK, General

The article on this particular case was published in BVA-International Journal of April 2009 By Dirk Van den Abeele Ornitho-Genetics

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S.O.S. Swift parrot [Lathamus discolor]

09/12/2020 Dirk Van den Abeele General

As we announced on this blog in 2014: the swift parrot [Lathamus discolor] is an endangered parrot. And unfortunately the

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Talking lovebirds?

07/12/2020 Dirk Van den Abeele General One comment

Can Agapornis spp talk? I often get that question. In the past thirty years, I have received only one report

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Psittacofulvins in blue1 or blue2 feathers?

02/12/2020 Dirk Van den Abeele General

Blue Agapornis fischeri and Agapornis personatus are considered not producing any psittacofulvins (psittacines) in the feathers. However, we could not

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Blue-crowned hanging parrot tucking pieces of leaf among throat feathers

30/11/2020 Dirk Van den Abeele General One comment

Long time we suspected that only Agapornis roseicollis is transporting nesting material between the feathers on her rump or upper

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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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Recent posts

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