Pack animal Pack animal A pack animal or beast of burden is an individual or type of working animal used by humans as means of transporting materials by attaching them so their weight bears on the animal's back, in contrast to draft animals which pull loads but do not carry them. Traditional pack animals are diverse including camels, goats, yaks, reindeer, water buffaloes, and llamas as well as the more familiar pack animals like horses, donkeys and mules. The term "pack animal" is traditionally used in contrast to "draft animal", which is a working animal that typically pulls a load behind itself
National Animal Identification System final component of NAIS is animal tracking. This would allow a report to be filed each time one of a set of events occurs, such as a change of an animal's ownership or movement to a new premises. A report would include the animal's or group's identification number, the premises identification number where the event took place, the date of the event, and the type of event, as slaughter or a sighting of the animal. In 2004, the U.S. Government asked farmers to use EID or Electronic Identification ear tags on all their cattle. This request was part of the