Transboundary breed Transboundary breed A transboundary breed is a breed which is present in several countries. Transboundary species of the five significant livestock types (cattle, sheep, goats, pigs and chickens), have been developed for a hundred years or more in intensive manufacturing systems, which has led to global availability. A relatively small number of worldwide transboundary breeds compose the ever-increasing share of total global animal products. However, only in North America and the Southwest Pacific do the number of transboundary breeds surpass that of local breeds. There can be both regional and international types of transboundary breeds. Regional breeds are breeds that
Shetland animal breeds have been exported to North America, but are not yet recognised by the American Poultry Association. The Shetland duck is a small, hardy breed of domestic duck originating in the islands. It is similar to Pomeranian duck or Swedish Blue duck. It is black with a white bib. Shetland drakes have sky blue bills and Shetland duck females have slate blue bills. The average weight of the Shetland duck is 2 kg for males and 1,8 kg for females. It is critically endangered. Shetland animal breeds The Shetland Islands of Scotland have long had their own distinct animal breeds, due