Pig Spawners Are Not Working :/

Hi. Today I bought 4 pig spawners. I was going to use them for my shop, but the pigs arnt spawning. I would appreciate it if i could get a 140,000 dollar refund.

here is my screenshot.

http://imgur.com/IOo46Zy

 

its needs to be dark i think

 

I figured it out. U have to put dirt with grass on it for them to spawn. Thx for the suggestion though. Mods u can remove this thread

 

@Chezby @canucksfan44 @Grayson @SomeGuy @ScoFu13 Lock this thread like the owner said to

 

Buddy, i just said that a minute ago. That doesn't mean that they will respond to it right away.

 

Thread Locked on request.
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Kind regards,
The Staff