There's a story dating from the (previous) Great Depression about a butcher who was doing a terrific business selling rabbit sausages.
Noting a scarcity of local rabbits, the food inspectors came calling and inquired about his ingredients.
"Tell us," they prompted, "are using any filler in these rabbit sausages -- say, horsemeat?"
The butcher looked uneasy and allowed that sometimes he might use a little horsement, if he couldn't get enough rabbits.
"And just how much is 'a little' horsemeat?" pressed the inspectors.
"Well, a proportion," he dodged.
"All right, be honest, now!" demanded the inspectors. "How much horsement are you really using?"
"Well," admitted the butcher, squirming. "It's 50-50!"
"50-50?" repeated the inspectors, skeptically.
"Yes, 50-50!" the butcher insisted. "One horse, one rabbit!"