Habemus plus vis computatoris quam Deus

Sheep then http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~32201~1151543:Number-of-sheep-per-square-mile-at-
now 1,202,920,000

Goats 700 million

Cows then 1950 720 million to 2001 1.53 billion

Dogs around 70 million

Cats 1 billion

Chickens 24 billion

Pigs in 2002 was 939,318,700

So it pays to be either tasty and compact or cute.

Meat Meat Meat it's what we want to eat. We breed them to be a tasty treat. We're bred to eat that cow/pig/chicken-y treat.