Crested Male
Here is an excellent example of the tuft type of crest. |
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Information on Crests
The Crested gene is mostly dominant. We say this because some birds are born with visual crests and some of the same clutch might be born showing no crest. (crest bred)
There is only one gene needed to make all the different types of crests: full (circular) crests, half (semicircular) crests, and tufts. A budgie with any of these types of crest can produce offspring with any type of crest, or produce offspring with no crest at all. Therefore, when a crested bird has a non-crested baby, we don't say the baby is "split" to crested. We say it is "crest-bred"
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Breeding Crested budgies
To produce them, mate a crested bird with a non-crested one. If you breed two crested birds together, you get 25 percent birds without crest and 50 percent crested birds (with a single crested factor). The other 25 percent of the young die because they have the double crested factor. The preferred cross (crested x not crested) produces progeny, of which half are crested and half not crested. (crest bred) The crested x crested option produces the same percentage of crested birds (50 percent), but the total production of young is diminished by 25 percent. The crest can be improved by continuous selection of the best individuals.
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crested budgie links
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Crested Baby
This crested baby was one of seven born to a crested father and a non crested mother.
Of the seven: two had visual head crests and two had crests just above the wings. |
