Page 29 - SOMOS FOA EDICION ESPECIAL

Heredity

 Chromosomal location: autosomal.

 Dominance potential: recessive.

Effect

The “matte” factor causes a melanic discontinuity. This refers to a modification in the form of
pigmentation of the feather, being that melanins are deposited in a different way compared to an
ancestral one. In the latter, the barbules are melanized in the same way on both sides of their axis
barb, while, in the feathers of the specimens affected by the matte factor, on one side the
pigmentation would be normal, while, on the opposite side, the amount of melanin received is
considerably less.

Dispersion zone of a Dispersion zone of a
black classic black matte

Concentration zone of a Concentration zone of a
black classic black matte

This discontinuity visually causes the almost total dispersion of melanic pigments in the feather. The
dispersed and concentrated eumelanins have a practically identical expression, generating specimens
with little or no central design. It also causes the formation of a horizontal bar in the extension of the
feathers, highly visible along the entire length of the back and long feathers.