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The YouTube video shows rabbits munching on lettuce and carrots while a rabbit “narrator” reveals the secret of their big families — exercise, a healthy diet and little stress. The brief appearance of a human couple enjoying a romantic picnic hints that a little romance might help, and a wine glass turned upside down suggested an anti-alcohol message.

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Polish government asks citizens to multiply like rabbits

The health ministry of Poland, which has one of the lowest birth rates in Europe, has put out a short video praising rabbits for producing many offspring.