Which Holub breeds come in Stračia?

Club breed standards describe Stračia for the Modenka.

Holub pattern

Stračia

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

2 Holub breeds list Stračia. It is in a club standard for 2 breeds.

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