u are very knowlegable and getting me lost somewhat lol im just telling u what i have done in my breeding program and what is working as for what silkie breeders are aiming for is columbian wyandotte but right now more in the cornation sussuexI guess in silkie world a black tailed white bird is a Columbian silkie? when I first heard Columbian Silkies I thought of a Columbian wyandotte(a black tailed white bird with lots of black not only on the hackles but also on the saddle) that´s what I call Columbian pattern, and when he asked if he was going to be getting more columbian silkies by crossing to buff, I thought, not possible at all even if one uses a Pet Quality buff silkies, even they are more restricted than what it needs to have a true columbain pattern(hackle and saddle) link to a pet quality buff silkie https://www.backyardchickens.com/t/434266/free-buff-silkie-cockerel
I´ve check the link you have provided and I just dont see lavender in them, but that´s because lavender is recessive and you wont see it on heterozygous form, your birds may be golden(S/s+ for the boys) and silver for the girls(S/-) remember that buff has lots of red diluters(Dominant Dilute, Db and Co can act as a diluter too) and when heterozygous for sex linked Silver(dominant over sex linked gold s+) you could end up with silver looking boys too...
there is a project calle the Champagne Brahma project going on(not mine), its buff columbian(columbian based on gold like buff columbian wyandotte) and the lavender gene add it, it looks amazing...
check this pic out, and check your columbian birds out, they just dont look a like
just to be sure and let everybody know, is the goal of the Columbian Silkie breeding project to have a black taile white bird OR to eventually breed the saddle and hackle black markings? will lavender have the same name? or like the coronation sussex which is columbian and lavender?
coronation sussex
https://www.google.com.ni/search?q=...sYGQDg&sqi=2&ved=0CAgQ_AUoAQ&biw=1280&bih=677
on what E locus is these project going to be based? eWh(wheaten) lacking saddle markings but keeping the hackle markings? or eb(partridge brown) having both saddle and hackle markings?
here is the difference..(wyandotte based on brown and sussex based on wheaten)
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