Which Голуб breeds come in Свракаста?

Club breed standards describe Свракаста for the Модена.

Голуб pattern

Свракаста

Dark and white in a set arrangement: the Magpie duck's colored cap and back, magpie rabbits and cavies.

2 Голуб breeds list Свракаста. It is in a club standard for 2 breeds.

Breed	NPA	BDRG
Модена	По стандарду (“The color descriptions apply to both Schietti and Gazzi, with the exception of the white on the Gazzi body.”)	По стандарду (“Gazzi Blau mit bronze Binden; Gazzi Blau-bronzegehämmert; Gazzi Dunkel-bronzeschildig-gehämmert”)
МоденаГаци	По стандарду (“The color descriptions apply to both Schietti and Gazzi, with the exception of the white on the Gazzi body.”)	No ruling