Researching the Yellowfaced Factor

To all budgerigar fanciers worldwide.

Budgerigar.co.uk has received the following request from Dr Marc A. Noakes. Marc is an experienced geneticist who is researching the yellowfaced factor – and would like your help!

Here is his appeal – please help him if you can.

Dear All,

I am a friend of Ron Hunt (Australian national budgerigar judge) in Sydney, and an honorary member of the Australian Pied Budgerigar Society. I am also a molecular geneticist turned school teacher with a PhD in genetics. I have resumed breding budgerigars and zebra finches after several years absence in America (Washington State University) doing postdoctoral research on multiallelic, immunological and sex genes in salmon and trout.

I grew up in the Macarthur budgerigar club with Ron and have been involved in budgerigar breeding for about 30 years now. I breed birds to satisfy personal and research interests in the conservation of antique mutations and varieties, as well as to help my fellow breeders of budgerigars and zebra finches better understand the mechanisms of inheritance and small population management, including conservation.

The Budgerigar Society of NSW (BSNSW) has approached me to help clarify the present confusion in yellowface inheritance. I understand Peter Bergman’s 5 allele model and I am very familiar with multidomain proteins including heterodimers. However, Peter’s description of that model is incomplete and thus confusing. I am trying to simplify/clarify the model with the aim of making it more accessible to the general enthusiast who has a basic understanding of inheritance. This includes clarifying the relationship between the lemon/cream face mutation and the yellow/golden face mutation.

I am seeking clubs or individuals who are willing to provide information in the form of photographs, descriptions, annotations and breeding results.

If you are able to help, please download and read the “How to Help” PDF document. Then, e-mail me at the address below, or consider joining my Yahoo! group as this will make communication easier. Also, if you know someone (or another club/society) who would be interested in helping out can you please forward this message to them. In return I am happy to provide participants with copies of the survey findings.

I look forward your reply.

Sincerely

Dr Marc A. Noakes
Science Department
John Therry Catholic High School

If you can help, please read the “How To Help” document and contact Marc as follows:

E-Mail

Yahoo! Group

Ozbudgies Yahoo! group

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About the Author: Gerald Binks began breeding budgerigars when he was 12 years old and is now arguably the most knowledgeable budgerigar fancier in the world. He has bred his fair share of Best in Show birds, judged in no less than 20 countries, founded the World Budgerigar Association, and has published two of the three classic books on the hobby. His stud in the UK attracts fanciers from near and far and is always high on the list for those wishing to purchase BA23 quality budgerigars.

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