v0.34:Pasture

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v50.14 · v0.47 · v0.34.11 · v0.31 · v0.28 · v0.23 This article is about an older version of DF. More Info · V

Pastures are activity zones that the player creates to hold tame animals, especially grazing animals. Herbivorous animals require grass, cave moss, or floor fungus to graze upon, and larger herbivores need a greater amount of grass to feed themselves. Pandas and their relatives require bamboo rather than other types of grass. Using pastures allows herbivorous animals to be restricted to areas where they will have plenty to eat.

A pasture is defined using i-n to draw a rectangle, and then animals are selected to graze. Having pressed i to define a zone, highlight the pasture and press N (Shift+n), select the animal(s) you wish to pasture using +/-, and press Enter. Once all animals are selected, finish by pressing Esc and idle dwarves with animal hauling will lead the animals to pasture.

Any tame animal may be assigned to a pasture. You can also assign pastures inside and use them to put animals that do not need to eat in certain areas. If there is fungus or moss on your indoor floors, the animals will consume that in place of grass.

Grazing animals and pasture size

Grazing animals use the [GRAZER:<value>] token to signify how much grass they need to eat. This is an inverse number - the value in grazer signifies how much hunger is reduced when eating a unit of grass. A creature with ten times the grazer value needs one tenth the amount of grass (and hence, pasture land) as a creature with a small grazer value. If you started your fortress in an undead biome, you may need to assign more space for a pasture as much of the grass is dead. Animals will not eat dead grass and will only eat the still living patches.

Animals which graze are typically good livestock candidates, as many of them produce wool or milk, and the only creatures which can produce both wool and milk are grazers. Creatures with larger sizes consume more grass, but also produce more meat when butchered.

Each time unit adds one point to hunger. An animal takes an average of one turn per ten time units, and takes one time unit to eat grass. If there were an unlimited amount of grass on a tile, even animals with [GRAZER:1] would be able to feed themselves, however, there are at most 4 bunches of grass. Therefore, a creature of standard speed and agility with [GRAZER:3] would not be able to survive, and creatures with [GRAZER:4] require a constant source of grass (in other words infinite sized pastures) to survive. In practice, anything with [GRAZER:20] or less is completely incapable of feeding itself. Because of this, the larger creatures like dralthas are virtually impossible to keep fed, and elephants are incapable of feeding themselves fast enough to stave off starvation.

If grazing animals consume all the grass on a tile, the tile will be reverted to the base layer material. This may be sand, clay or soil. In this way you receive a visual clue as to the size of the pasture required.

Overcrowding

It is possible to overcrowd a pasture. Animals may become enraged and start fights. This is similar to a dwarf throwing a tantrum and can be solved by enlarging your pasture or keeping fewer animals in it.

Another possibility is to split a large pasture which holds many animals into several smaller pastures, with the pasture size reflecting the amount of grazing the animal needs to survive. Animals will only fight each other if their pasture is sharing the same tiles as the creature they are fighting with.^[Verify]

Other Applications

A pasture can serve as a more advanced replacement for a rope, which allows you to "tie" multiple animals to the same spot and even allows you to place pets and animals assigned to dwarves.

This can be used to safely get rid of immigrant pets or cat infestations by pasturing them outside the fortress to serve as an early warning system and meatshield or by pasturing them inside a room that then gets accidentally filled with magma.

Note that while a pasture is a quick way of placing animals exactly in one defined area, it does not restrict the movement of an animal if they are threatened by an enemy - the animal will flee as normal, and will trigger an animal hauling task to re-pasture the animal once it leaves the border of the pasture. This is important as the announcement of an ambush may trigger a flood of animal haulers rushing to the pasture and into the face of the enemy.

List of grazing animals

Animal	Grazer value	Creature Size	Milkable	Shearable	Minimal Pasture Size per individual
Elephant	12	5,000,000			Cannot Self Feed (Graze Value <= 20)
Rhinoceros	20	3,000,000			Cannot Self Feed (Graze Value <= 20)
Giant bull moose	23	4,257,750			29 x 29
Draltha	24	2,500,000			29 x 29
Giant moose cow	38	2,554,650			28 x 28
Water buffalo	60	1,000,000	Yes		18 x 18
Giraffe	60	1,000,000			18 x 18
Yak	85	700,000	Yes		16 x 16
Gigantic panda	92	1,160,900			N/A (only eat bamboo, will starve without it)
Cow	100	600,000	Yes		14 x 14
Unicorn	100	600,000			14 x 14
Bull moose	114	525,000			14 x 14
Horse	120	500,000	Yes		13 x 13
Camel (both)	120	500,000	Yes		13 x 13
Giant capybara	133	523,350			13 x 13
Mule	150	400,000			12 x 12
Cow moose	190	315,000			11 x 11
Donkey	200	300,000	Yes		10 x 10
Elk	200	300,000			10 x 10
Muskox	210	285,000			10 x 10
Giant red panda	255	235,100			N/A (only eat bamboo, will starve without it)
Tapir	300	200,000	Yes		9 x 9 ?
Llama	333	180,000	Yes	Yes	8 x 8
Deer	428	140,000			7 x 7
Reindeer	461	130,000	Yes		7 x 7
Panda	462	130,000			N/A (only eat bamboo, will starve without it)
Warthog	600	100,000			6 x 6
Elk bird	600	100,000			6 x 6
Kangaroo	667	90,000	Yes		6 x 6
Alpaca	857	70,000	Yes	Yes	5 x 5
Goat	1,200	50,000	Yes		4 x 4
Mountain goat	1,200	50,000			4 x 4
Ibex	1,200	50,000			4 x 4
Impala	1,200	50,000			4 x 4
Sheep	1,200	50,000	Yes	Yes	4 x 4
Capybara	1,333	45,000			4 x 4
Wombat	2,308	25,000			3 x 3 ?
Gazelle	3,000	20,000			3 x 3
Hoary marmot	6,000	10,000			2 x 2
Red panda	12,000	5,000			N/A (only eat bamboo, will starve without it)
Hare	17,143	3,500			1 x 1 ?
Groundhog	20,000	3,000			1 x 1
Cavy	75,000	800			1 x 1 (can feed up to 3 cavies)
Rabbit	120,000	500			1 x 1 (can feed up to 5 rabbits)

The following giant animals do not modify the grazer token inherited from their parents and are bugged to eat less than their size would indicate.

Animal	Grazer value	Creature Size	Milkable	Shearable	Minimal Pasture Size per individual
Giant tapir	300	1,700,000	Yes		9 x 9 ?
Giant kangaroo	667	857,700	Yes		6 x 6
Giant ibex	1,200	560,000			4 x 4
Giant impala	1,200	560,000			4 x 4
Giant wombat	2,308	377,750			3 x 3 ?
Giant hare	17,143	224,560			1 x 1 ?