The herdsire for any breeding program is the single most important determinant of overall herd quality. It's true for cattle, sheep, horses, or any other breed. For alpacas in North America the sire is even more important. Alpaca bloodlines are currently available for only four or five generations. For a breeder to be certain of the genetic traits being introduced into his cria he must carefully select from available living studs. He may not be able to rely on multi-generation pedigrees to pass on certain breed traits to his offspring. Read Entire Story.