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Population Model

The population model below was produced by Dr Carole Webb, Feline Association of Victoria.

AUSTRALIAN POPULATION MODEL 2010 - CITY FELINE

Owned cat population = 500,000

Average life span of a cat = 7 years

Hence

No. of kittens required for replacement each year = 71,428

On average population spread of 52% females,

No. of Female cats in population = 260,000

Average litter no/year = 2.1

Average litter size/year = 2.85 kittens

(allows 30% mortality)

Average no kittens/year/undesexed female = 5.99

% of females not desexed = 9.8%

No. of females not desexed = 25,480

hence kittens produced per year = 152,625

% of females having one litter before desexing = 18%

hence contributing kittens per 7 years = 133,380

thus kittens produced per year = 19,054

TOTAL KITTENS PRODUCED PER YEAR = 171,679

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