Horse and whale were common beef substitutes in the 1940's , and you can guarantee that horse has been a regular feature of your diet up to now . How many " steak " and kidney or "steak " and onion pies or pasties, or tins of corned "beef" have you consumed ? where did they originate ?
As we are now discovering, not all branded goods can be trusted, Profit, not quality, is the name of the game.