It takes an average of 6 months to 18 years for a buried dog to decompose fully. If a dog is exposed and not buried, it will decompose much more quickly. The speed at which a dog decomposes depends on how deep you buried him, the climate, and if his body is enclosed or exposed.
How long does a dead dog take to smell?
In normal weather, a dead dog will begin to smell rotten 10 hours after death. In colder weather, it may take longer. Dog owners can wrap the dog in a bag and put it in the freezer to give themselves more time. Because the exact time of death is often unknown, it is best to act as soon as possible.
How long does it take for an animal to start decomposing?
Small animals like a pig or a rat take a few days. Human remains, as Wescott mention above, take at least three months.
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