Recent emails have indicated that there is a pressing need to republish this Dec, 2006, article...
Fullblood: The ancestors of this goat are all 100% Boer.
Purebred: The ancestors of this goat include at least one animal that is not 100% Boer. The offspring of these animals will never be fullblood.
Start with a fullblood buck and an unregistered nanny. The female offspring of the nanny, they'd be 1/2 blood, will produce a 2047/2048 (99.95%) animal after 10 generations if all generations were bred to a fullblood buck.
The same goes for using a Purebred buck. A 31/32 buck bred to a fullblood doe produces 98.4375% offspring.
That same purebred buck bred to a 1/2-blood doe produces 73.4375% offspring; bred to an unregistered nanny... 48.4375% offspring, not even registerable.
Purebred Does (female): One or more ancestors of this doe were not 100% Boer. Does must be at least 15/16 (93.75%) Boer to be considered Purebred.
Purebred Buck (male): One or more ancestors of this buck were not 100% Boer. Bucks must be at least 31/32 (96.875%) Boer to be considered Purebred.
The sire must be a fullblood buck in all cases.
|If The Dam Is||The Offspring Percentage Is|
|unregistered regardless of Boer influence
||50% (1/2 blood)
|a registered 1/2 blood
||75% (3/4 blood)
|a registered 3/4 blood
||88% (7/8 blood)
|a registered 7/8 blood
||94% (15/16 blood)
if the offspring is female it's labeled purebred.
|a registered 15/16 blood
||97% (31/32 blood)
both male and female offspring are labeled purebred
OK... so what's the difference between a buck and a billy; between a doe and a nanny?
In my mind it's quality, not pedigree. A male goat with outstanding conformation to breed standards and great production records is a buck. A female goat with those same qualities plus great mothering capabilities is a doe. All others are either billys or nannys.