Chris Morrison noticed an unusual sound from the stomach of his black labrador, Oscar, who he regularly walks on a golf course near his home in Dunfermline, Fife.
When he took the five-year-old to a vet, he was stunned to find 13 balls, each weighing around 45 grams (1.6oz) and around four centimetres (1.57 inches) in diameter, were lodged in the dog's stomach.
Mr Morrison, a planning administrator, said one of the balls had been in her stomach so long that it had turned black and was decomposing.
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