Since we are going to discuss the orange chest mutation in this article, it is certainly interesting to dwell first on the history of this mutation.
The orange breast mutation is supposed to have emerged in Belgium. I write consciously "supposed" because the first orange breast was actually found at a bird dealer. In Dutch literature in particular, long before the discovery of the first orange breast in Belgium, zebrafinch were described with features that we can now attribute to orange breast carriers.
What we are certain in any case is that the honor of the discovery of the orange chest comes to a certain Mr. De Coster who in 1978 noticed a gray male quite special in a trade. This male had an orange breast bar, whereas normally it should have been black. This gentleman bought this copy, but at the farm nothing came out of what he had hoped for. At the end of 1978, Paul Chabot, president of the BZC at that time, will acquire this male. There were good and bad surprises with this subject, because this male unfortunately did not live very long. Fortunately Paul Chabot had been able to get some young people before.
The orange breast is autosomal recessive inheritance compared to the wild form. The orange factor must therefore be doubly present to become visible. He crossed young people with each other and quickly pulled out the first orange breast.
Already the first orange chestnut farmer made the mistake of not combining and developing the orange breast with classic colors, but he rushed directly on the combination of the orange breast with the black breast and other mutations.
From this moment already, the dream of any orange breast breeder was born to know to lead to a zebrafinch entirely orange. By burning the breeding stage in the classic colors, the following question remained : Are some of the specific features we observe in our classic orange breasts, only uncomfortable derivatives of the presence of the mutation ? black breast or is it specific effects of the orange breast mutation ? What do I hear about that ?