Final answer:
In Liberia, chickens are the primary livestock raised by farmers within the category of poultry, providing both meat and eggs for dietary needs and economic benefits.
Step-by-step explanation:
The livestock raised by farmers in Liberia that are from poultry would primarily be chickens. In historical context, the domestic fowl, which is a descendant of the Red Jungle Fowl, was one of the earliest bird species domesticated for human use. The principal motivations for their domestication were as a food source (meat and eggs), but they were also valued for their feathers, song, and in certain cultures for cockfighting. Within Liberia, chickens are likely the main poultry livestock because they can be raised for both their meat and eggs, which not only support local dietary needs but also provide a source of income through trade and sales.