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The urban legend that one cat can reproduce 420,000 kittens in just seven years is unbelievable and baseless yet no one seems to question it. There is one thing that we all can agree on — no matter how you do the math, there are too many cats/kittens and too few homes.
The Calculate -This calculations below (loosely) apply math to scientific principles as they relate to cat reproduction. Taken into consideration are factors such as a high percentage of owned cats that are neutered and a small percentage of neutered feral cats. Also factored in are annual mortality rates as well as post-weaning survival rates of kittens.
The calculator shows that one unspayed cat and her offspring could result in 2905 kittens at 7 years and 49,000 at 10 years! But no rational person would think that 2905 kittens produced by one cat and her offspring in 7 years is acceptable.
Responsible pet owners spay or neuter their pets or adopt from reputable rescues who spay and neuter all their animals before adopting them out.
We are challenging 500 people to be part of the solution, can you spare $5 a month to save the life of an unwanted cat?
- $5 provides one Rabies vaccination
- $5 x 12 months = $60
- $60 is our cost to spay or neuter one cat.
500 cat lovers who donate $5 per month for 12 months = 500 spay and neuter surgeries and will spare the lives of over 24,500,000 unwanted cats and kittens!
Can we count on you?! Click here to Give Us $5 and save MILLIONS!
420,000 Kittens? The Unspayed Cat To Kitten Calculator
- The average mature cat can have 3 litters with a total of 12 kittens per year; 10.2 surviving kittens of which 4.7 are female
- The average litter size is 4 kittens with 15% loss before reaching weaning age (3.4 kittens per litter)
- Gender ratio per litter averages of males to females is roughly 46.5% female (of 3.4 kittens = 1.8 males and 1.6 females)
- 35% spay ratio allowance for offspring (unscientific factor balancing owned and stray cats)
- 20% annual mortality ratio not factored into this equation:
- An immature cat’s first litter usually consists of 2 kittens versus 4.
- Unspayed female cats can begin reproducing at 6 months of age and can produce a litter during the same year of birth.
- 30% feral mortality