Why are there no pigs, cows, chickens in the zoo?

In the Milwaukee Zoo, the Children's area of the zoo has domestic animals like rabbits, chicks, a horse, a cow, etc. They also have a area where the kids can pet the animals as well. read more

There are no ‘domesticated’ pigs cows or chickens. Even though I have seen plenty of their family relations there. Jungle Fowl, btw are amazing. A fierce long tailed chicken. I saw them cockfighting with those birds in China. They fought like demon possessed blood thirsty Ninjas. I live in the country. read more

Pigs have their teeth clipped and cows are dehorned. Zoo Animals Aggression in animals like lions and tigers is more common than others, due to their predatory nature. read more