The game does not seem to make a difference in male/female, judging from the merchants that visit my town. Before I buy some animals I would like to know:

  • How many animals do I need to make them mate / breed them?
  • How long does it take for a baby animal to be born?

2 Answers 2


You only need 1 animal to breed them, technically. However, animals can die off for no particular reason, which means that you are best off buying at least 2 since the livestock trader is so rare that you don't want to risk having one die off immediately and having to wait for the next trader. Animal birth rates depend on if the pen is worked and how many animals are in the pen (more animals means more babies)

  • Have you ever successfully bred one animal? The only time I tried, it didn't work for me. However, when I buy 2 animals it works without issue.
    – Lumberjack
    Commented Feb 25, 2014 at 21:37
  • "Animal birth rates depend on how many animals are in the pen" -> In what way? Is it better to have lots or fewer animals in a pen? What's the ideal herd size for breeding?
    – Philipp
    Commented Feb 27, 2014 at 15:30
  • More animals in a pen = more breeding.
    – Lawton
    Commented Mar 3, 2014 at 3:45
  • ... unless the pen is full, in which case there is no breeding. Commented Jul 5, 2015 at 17:12
  • @ApprenticeCrusader Full pens don't stop the breeding, they trigger slaughter. At times I've been at/over my food quota I've seen pen populations go above the set capacity. This is most noticeable with chickens which breed so darned quickly.
    – tjd
    Commented Jun 21, 2016 at 17:18

Farm animals have a lifecycle just like humans. They get born, mature into adults, have children and die of old-age. But in contrary to humans they procreate asexually. A single animal in a pasture is enough to start a livestock industry (when it is still young enough).

Of all animals, chicken have the highest rate of growth. They more than double their number each year. But they also have the lowest yield of food per butchered animal: a mere 6 units.

Cattle and sheep procreate much slower. Sheep double about every 30 months, cattle slightly lower with every 36. But butchering a cow or sheep yields a whole 200 units of food, enough to feed two citizens for a year.

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