How long does SPCA keeps a lost pet found?

Yesterday I was at the singapore kennel club dogshow to see the competitions and overhead from some guys selling some USA dog foods talking to a customer that spca will only keep the lost dog for 1 week only before put to sleep.

Is this true?
I do not have a dog yet as looking to adopt.

Answering to my own question.

Finally got through the line of SPCA and found out that it is about 1 week to 1 month working with the animal control before it is put down if not claimed.

It is really too short if the dog is not identified within that short period.

well there are incidents that happen like someone lost a dog but didnt think of reporting it to spca...then after 2 weeks time of searching,they remember they miss out reporting to spca so went over to report...guess wat....the dog they lost have been PTS by spca the day before...sad case

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Blog For Thaddea : http://lady-inblack.blogspot.com/

i thought 1 day for mongrels? other breed slightly longer ....duno leh i also heard from some sources one ...please no flamming