A transboundary

breed A breed is a specific group of domestic animals having homogeneous appearance (phenotype), homogeneous behavior, and/or other characteristics that distinguish it from other organisms of the same species. In literature, there exist several slig ...

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 North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

and the Southwest Pacific do the number of transboundary breeds surpass that of local breeds.Sep. 2013. AgriCultures Network. Livestock breeding and small-scale keepers. http://www.agriculturesnetwork.org/resources/learning/mod4-online/learning-block-2/2.3/2.3.1 accessed Nov. 2016 There can be both regional and international types of transboundary breeds. Regional breeds are breeds that are reported to only be found in one "region", which may include several countries, and an international transboundary breed is one that is reported to be found in multiple regions. For example, the Holstein Fresian cattle is an international transboundary breed, because it is found in several different continents and regions.

References

Breeding Zoological nomenclature Livestock {{Agri-stub