One unspayed dog and her offspring can produce around 67,000 dogs in a six year time period. One unspayed female cat and her offspring can produce as many as 420,000 kittens in seven years. The Hart County Humane Society doesn’t have to look far to find inspiration for its low-cost spay and neuter program. The Humane Society of America estimates that of the roughly 70 million stray… Premium Content is available to subscribers only. Please login here to access content or go here to purchase a subscription.