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Livestock fatten faster when tasked on a Pen. Trains Sheep.
—In-game description

The Livestock Pen is an economic building in Age of Empires III. It trains livestock which can be tasked to the Livestock Pen to make them fatten at a faster rate.

Instead of the Livestock Pen, Native American civilizations have access to the Farm, which combines its function with a Mill. The Chinese have the Village, which combines its function with a House. The African civilizations have the Livestock Market, which combines its function with a Market. The Mexicans have the Hacienda, which combines the functions of a Livestock Pen with a Mill and an Estate.

Two civilizations do not have any access to the fattening capability because their Villagers cannot gather food from Herdables. The Indians have the Sacred Field instead of Livestock Pen that increases the experience generation rate of their livestock; the Japanese may use Shrines to generate resources over time that can be increased by huntable animals and livestock.


Livestock Pens effectively cut the fattening time of most livestock down from 30 minutes to around 5-6 minutes. However, they are less common than gathering food directly at the Mill, especially in Supremacy. This is due to the more complicated mechanics of gathering from herdables, such as the upfront cost of invested food that cannot be used to train units.

If there is a 5-6 minute period for livestock to be fattened at the pen, such as during a Treaty match where military units are not required, livestock can be used as a worthwhile investment to multiply one's food. It is easy to adjust the amount of food and settler time invested by training more livestock units. The Fulling Mills card indirectly relates to this building by making it 4× faster to gather from herdables, saving villager time, reducing waste to spoilage, and freeing them to do other tasks.

  • Argentina: Gauchos and Granaderos can build Livestock Pens, train Cows, and gather food from livestock.
  • Brazil: Jaguncos Ships 10 Cows and 10 Jaguncos; Cow train limit +10; Jaguncos can build Livestock Pens, train Cows, and gather from livestock.
  • Mexico: Vaqueros (Comancheros) can build Livestock Pens, train Cows, and gather food from livestock.
  • Peru: Morochucos Ships 10 Cows and 10 Morochucos (Comancheros) can build Livestock Pens, train Cows, and gather from livestock.
  • United States: Cowboys Ships 10 Cows and 10 Cowboys (Comancheros) can build Livestock Pens, train Cows, and gather from livestock.


Unit Cost Init. food Max. food Limit
Aoe3 sheep icon.png Sheep 100 food 50 300 30
Aoe3 cow icon.png Cow 80 food 500 20
Aoe3 llama icon.png Llama 70 food 400
The Cow and Llama requires the (Llama) Ranching Home City Card to be trained at Livestock Pens.


Age Technology Cost Effect
Age I tech tree aoe3.png
Selective Breeding.png Selective Breeding 150 wood,
150 coin
Livestock fattens 25% faster

Civilization differences[]

Further statistics[]

Building strengths and weaknesses
Strong vs. Nothing
Weak vs. Everything
Hit points Flying Buttress.png Flying Buttress (+20%)
Sight Gas Lighting.png Gas Lighting (+4)
Construction cost Cree Textile Craftsmanship.png Cree Textile Craftsmanship (-25% wood)
Tupi Forest Burning.png Tupi Forest Burning (-20% wood)
Penalties Code Napoleon.png Code Napoleon (+50% cost, French only)
Counter Infantry Rifling.png Customized Merc Weapons (+30% cost, John Black's Mercenaries only)

Home City Cards[]


Definitive Edition[]

The African Royals[]

  • With update 47581, the Livestock Pen built by the Japanese by allying with the Dutch at the Consulate now has the Dutch appearance.


Keeping animals was important to the founding of the New World, especially as areas became settled and hunting became less abundant. Animals were used for food, but they had other uses as well. Fat from animals was used to make soap, the skins were used for clothing, and tallow was used in candles. Tallow was also used to keep leather supple and water-resistant.