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In six years, one female dog and her offspring can theoretically produce 67,000 dogs. |
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In seven years, one female cat and her offspring can theoretically produce 420,000 cats. |
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The number of cats and dogs entering shelters each year is 8-10 million (HSUS estimate). |
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The number of cats and dogs euthanized by shelters each year is 4-5 million (HSUS estimate). |
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The number of animal shelters in the United States is between 4 and 6 thousand (HSUS estimate). |
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The percentage of purebred dogs in shelters is 25% (HSUS estimate). |