“What happens when the cows refuse to be milked?”/“Udder chaos.”

A cow riddle is:
 
Q: What happens when the cows refuse to be milked?
A: Udder chaos.
 
“Udder” sounds like “utter.” The cow joke has been cited in print since at least 2007.
 
       
Funny Jokes Live
Category: Cow jokes
Date Added: 11/10/2007
Rating: not yet rated
Joke: What happens when the cows refuse to be milked?Udder chaos!
 
Twitter
guadalupe_stein
@guadalupe_stein
What happens when the cows refuse to be milked? Udder chaos!
9:47 PM - 27 Nov 2009
   
Twitter
Morten Stenbaek
@3dtwix
What happens when the cows refuse to be milked?Udder chaos!
6:00 PM - 29 Dec 2009
 
Google Books
Sensible Nonsense.. Frank’s Comic Pack:
Humour Pack Series
By Frank Paul
BookBaby
2014
Pg. ?: 
What happens when the cows refuse to be milked?Udder chaos!
   
Twitter
Dianna Standfield
@DiannaStandfiel
What happens when the cows refuse to be milked? Udder chaos!
11:20 AM - 24 Feb 2018
 
Twitter
Lucky Score
@LuckyScoreNet
What happens when the cows refuse to be
milked?
Udder chaos!
#Joke from #CowJokes in #Jokes, #Humor and #Satire
9:23 PM - 19 Mar 2018