Dirk Van den Abeele
Halfsiders, gynandromorphism and mosaics By Dirk Van den Abeele Ornitho-Genetics VZW MUTAVI, Research & Advice Group Published in BVA-International journal
I am afraid not. Crop milk is a semi-solid, crumbly excretion high in fat and protein that some bird species
Update 11/01/2022 No trace of psittacofulvins were found in feathers of blue1 or blue2 Agapornis fischeri and Agapornis personatus. As
Ornitho-genetics is currently looking into the beak colour of Agapornis canus. At the BVA Masters of 2012 judges noticed birds
Birds have maximum four toes, but bird feet can have different patterns. Most common are: Anisodactyly: three toes forward and
We have closed our Facebook account. Further announcements related to aviculture will be made exclusively through this website www.ogvzw.org and
After we published our article in which we discussed the possible presence or absence of a violet factor in Forpus
FAQ: if blue1 and blue2 are alleles of the same gene, is it possible that each allele (blue1 or blue2)
A recent study, published in Science, shows that carotenoid-based sexual dichromatism in mosaic canaries, a hybrid phenotype that arises in
FAQ: what is the tangerine gene / locus in parrots? To be honest, it does not exist. It was the
FAQ: Are cross sections of feathers the only way to determine colour mutations? Absolutely not. Cross sections in combination with
Parrots and allies (Order Psittaciformes) have evolved an exclusive capacity to synthesize polyene pigments called psittacofulvins at feather follicles, which
New mutation in Agapornis roseicollis: DM Jade (Article published in 2017 / update 2018) By Dirk Van den Abeele Ornitho-Genetics
Amateur paleontologist Mr. Maarten van Dinther discovered in 2000, near the Dutch border in Belgium a fossil from probably one
We recently concluded our investigation into the AR grey factor at Forpus coelestis. An article about this mutant will, in
FAQ: Combinations of alleles of the same gene are indicated by writing the mutant names one after the other, for