A Norfolk butcher was famous for his rabbit pies, which he used to bake himself. As time went by, however, customers started to complain that his pies weren’t quite as nice as they used to be. One day a friend said:
“Horace, what’s happened to your rabbit pies?”
“Why?”
“They don’t taste as good as they used to.”
“Well between you and me,” said the butcher, “my pies have been in such great demand that there aren’t enough rabbits to go around.”
“So what do you do?
“I mix in a bit of horse meat.”
“Horse meat!“ exclaimed the friend. “How much horse meat do you put in?”
“About fifty-fifty”, replied the butcher.
“What do you mean fifty-fifty?”
“One horse to one rabbit.”
[1] CIA World Factbook https://www.cia.gov/library/publications/the?world?factbook/geos/us.html