North East Budgerigar Society
Articles
Linkage and the Dark Factor
John Mulley, December 2021 Linkage and the Dark Factor download The following explains the well-known phenomenon of maximising production of ...
Linkage and the “Fallow Trick”
John Mulley, December 2021 Linkage and the “Fallow Trick” download Option 1 for upgrading Type in recessive varieties is to ...
The Colour Gene MuPKS in Budgerigars
John Mulley AO PhD, December 2021 The Colour Gene MuPKS in Budgerigars download Introduction This describes (in language simplified as ...