Millions of Cats

Start with one unspayed female cat who produces three litters of 4.5 kittens in one year. Then suppose each of these kittens finds a mate and reproduces at the same rate, and so on for the following generations…all while the original female continues breeding, too. If none of these cats are sterilized, how many cats will you wind up with?

Year 1: 14

Year 2: 203

Year 3: 2,754

Year 4: 37,193

Year 5: 502,119

Year 6: 6,778,620

Year 7: 91,511,383

 Every year, 3 to 4 million rejected cats and dogs—of all ages and breeds—are euthanized in the U.S. These high numbers are the result of unplanned litters that could have been prevented by spaying or neutering.

Many million more companion animals suffer as strays. It is impossible to determine how many stray dogs and cats live in the US; estimates for cats alone range up to 70 million.   Spay and neuter your pets.

Spaying is a veterinary procedure during which the ovaries and uterus of a female pet are removed.

Neutering is a veterinary procedure during which the testicles of a male pet are removed.

Both procedures require minimal hospitalization
and offer lifelong health benefits.

* Source   ASPCA WEB SITE  which took the information from: Two published studies, one on a campus in FL and one with seven high-volume trap-neuter-return programs around the country. For the former, 5% of cats had been previously sterilized (6 socialized and 1 feral). For the latter, 2.3% of 103,642 cats from the programs were already sterilized. Based on her experience, Dr. Levy, an author on all these papers, estimates 2% of stray cats are sterilized. 

+ Source: 2009/2010 American Pet Products Association National Pet Owners Survey.

1 Comment (+add yours?)

  1. Trackback: National Feral Cat Day « Hays County Cats

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Emily S Carter

My two beautiful little girl kitties came from ARF -- a rescue service in Wimberley. Maddie Bell, in the header photo, likes to help me make the bed.

Shelter cats are the best!


Making a difference to pet owners looking for their lost cat [or dog] – this is a place to post information about your animal and to provide contact information -- see the Lost Cat page.

Its also home to cat and dog stories -- see The Literary Cat page.


All text and images © copyright 2011 Emily S. Carter. All rights reserved.
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