Rescue centres in the central region are calling on cat owners to be responsible and get their animals neutered.
The advice comes as many shelters close their doors to the rising number of unwanted kittens.
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The RSPCA are urgently encouraging potential fosters to get in touch.
The library book was borrowed eight years ago and has just been handed in to a library in Kentucky.
She now has one pellet by her brain and one pellet by her heart.