GTC Biotherapeutics (fka GTCB)

[used to make chicken]

I don't really think that would do much. It is commonplace to fiddle with glycosylation sites, usually by altering the piece of DNA that gets introduced into the would-be transgenic, not the glycosylation capabilities of the goats themselves. So, while you end up with different lines of goat that express a specific protein with different glycosylation states, this is not any advancement over standard expression platforms which already do the same.