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Dairy Cow
A named animal in a Fortress colony’s herd. These figures describe colony goats and cows, with separate feeding, milk and breeding rules from Adventure livestock.
| Mode | Fortress with individual livestock enabled. |
|---|---|
| Buying from a visiting caravan | 80 gold for either sex. The current visit can sell 1 cow. Gold, an open camp store and herd capacity are required. |
| Milk from one completed milking | 6 Cow Milk. Only a living adult female can produce it. Quantity is fixed for this species. |
| Time until another milking | 1.5 in-game days after successful milking. Purchased adults first become ready after half a day. |
| Milk readiness | At least 50 health, hunger below 70, thirst below 70 and the animal’s ready time reached. Assign a reachable completed Milking station and give the matching dairy order. |
| Milking work | 24 base work by a Dairy worker. Milking itself consumes no feed or water ingredients. These needs are supplied separately. |
| Milk quality | 60 base quality, or 85 in plains, glade, forest, savanna. Multiply by health as a fraction of 100, then by one minus the greater of hunger and thirst divided by 250. Round to a whole number, with at least 20 quality. Health and supplies change quality rather than the species quantity. |
| One delivered feeding | 2 Food, or Dried feed when Food planning allows it. The delivery lowers hunger by 65 points, down to zero. Farming brings feed. |
| One delivered watering | 2 Water. The delivery lowers thirst by 65 points, down to zero. Hauling brings water. Natural drinking can meet this need through its separate safe-bank route. |
| One grass tile | Lowers hunger by 32.5 points. Grazing begins at 35 hunger when eligible grass and the animal’s grazing rules permit it. |
| Breeding work ingredients | 4 Food and 1 Water. A Farming worker performs 12 base work for one requested pregnancy. |
| Pregnancy length | 14 in-game days. One saved young animal reserves herd capacity. Breeding switches off when pregnancy begins. |
| Young animal maturity | 21 in-game days after birth. Young females cannot be milked before this age. |
| Tending | 2 Water and 1 Salt, with 12 base Farming work. Completed tending lasts 2 in-game days. Automatic tending is requested below 80 health. The manual Request tending control also allows smaller injuries. |
| Ordinary safe temperature | From 0 to 35°C inclusive at the animal’s actual position. Colder or hotter conditions cause health loss. Grass needs its own narrower growing conditions. |
| Carcass | 10 Raw meat and 1 Hide with forge support when its surviving carcass is butchered. Fire or magma can prevent a carcass. Release animal gives no carcass or payment. |
Carcass artwork with spoilers
This is the dead-body artwork used for this animal’s carcass in Fortress. It has its own sprite and keeps its native orientation. The live animal is shown above. Lighting and the ground beneath can change its appearance.

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