It's kind of a joke. Cows saying hey eat chicken here quite eating us.
The mascot was an actual cow the founder of Chick fil a had and thought it would be brilliant to have it as there mascot. The actual cow lived a very long life for a cow it lived go be over 30yrs old.
Because their mascot is a cow that holds a sign saying; Eat more Chicken
It's because cows have chicken
Chickens look good with a white milk moustash. You will too!
In order to get through to its desired consumers and boost awareness for the chain, They needed a simple, visual idea that would stand out on crowded highways.
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