Finally, here's another article that explains the different roles your
LGD can play on the farm - full time guardian, farm guardian, or family companion, The first step in selecting a LGD, is determining what role you expect him to perform. This decision can determine which puppy you choose from a litter. It is also essential in correctly providing his earliest experiences and training. Individual dogs from the livestock guard dog breeds perform all these roles, but some breeds are better suited to one job over another.
Read more:
http://www.motherearthnews.com/homesteading-and-livestock/livestock-guardian-and-family-companion-zbcz1402.aspx#ixzz3KqNlzz00