The scandal which has inevitably been dubbed "HorseMeatGate" raises a number of pertinent questions.
How could horse meat get in the supply chain? Is it a risk to public safety? Why don't we eat horse meat in the first place?
And, perhaps most importantly, which is the best horse related Twitter joke?
To address this pressing concern the Huffington Post UK has collected some of the finer puns all in one place.
Feel free to send us your suggestions if we've missed any.