Beverley Price from Bridgend Dogs Trust says 600 dogs arrived at the centre last year - a record number.
She urges anyone considering getting a dog to think long and hard about their decision - and is asking would-be dog owners to consider rehoming a dog from the centre.
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It'll be a dry and fine end to the day, with a dry night then following.
The world bog snorkelling championships returns to Llanwrtyd Wells this weekend.
A cloudy start with a scattering of showers spreading eastwards, allowing some warm sunshine to develop from the west during the afternoon.