Animals are either prey or predator. Also, animal types are natural enemies-- they don't "speak the same language" or body language, so they'd fight and get hurt.
Farm animals are kept separately in order to prevent fighting amongst animals. Some animals do best when they are left with their own kind and don't like to be bothered by other animals. Separating them reduces stress on the animals.
No, different kinds of poultry should be kept in separate housing.
because different species could mate and make new species which could cause diseases and disabilities in new species.
the difference is you wont find most farm animals in a zoo and farm animals tend to bbe smarter.
Ducks have been kept as farm animals, but it would be more likely that a farm would keep geese rather than ducks; more food, less independence, and geese can be guard animals as well.
because all the wealth was kept by Napoleon.
Napoleon took over the farm, after using the dogs (whom he kept secret from the rest of the animals, while training them) to oust Snowball
This would likely be called a farm.
Not naturally, although they may be kept there as imported pets or farm animals.
Cattle, horses, sheep, goats, pigs/hogs, chickens, turkeys, ducks, geese, llamas, alpacas, etc.
cows,sheep,pigs,a horse or two,turkeys and some others
Other animals are farmed in the lake district, but sheep are able to cope better with the hilly and rocky terrain. The sheep also don't need to be bought in, while some animals need to be kept closer to the farm.