Originally Posted by wolfsoul
The different varieties of Belgians are only recognised as seperate breeds by AKC. :) So in every other registry in the world, the varieties are allowed to be interbred, and are registered as the same breed (Belgian shepherd dog). In AKC, with the amount of one-variety breeding they do, it's not as likely that you will get something different than what you'd planned, though it does happen! Moreso with tervs popping up in groenendael (black) litters.
Short coat is dominant, and long coat is recessive -- so breeding two malinois that carry the recessive longcoat gene will result in a tervuren. It will be fluffier than it's littermates but may grow up to look exactly like a malinois (usually with a softer, finer coat), a tervuren (with a coarser more dense coat), or something in between (which would still be called a tervuren). Mostly you'll get something with long feathers, tail, ear tufts, etc, but the rest of the coat is not as long.
I have plans to breed tervuren one day, mostly out of my groenendael -- Visa will be bred to Loki next year who carries terv, so if she carries terv, then we will have some terv pups! Not likely, but atleast 50% of the litter will carry terv if she doesn't. Solo has a 50% chance of carrying terv. I'm going to get a terv from a breeder in the states in a few years. :) Ashley (binka_nugget) is also considering intervariety breeding with her malinois that she is getting next year. She will probably use my Solo as a stud if he turns out nicely. Breeding Solo to a mal would give us black malinois.