Can a dog be 'double bred'? I mean, can a dog become impregnated twice- two days apart? I am trying to figure out why my father's dog (and, yes, I talk till I am blue in the face) is carrying 9-10 puppies (boxer, and they generally don't carry a litter that large). I **know** she was bred twice, two days apart. I would like some additional facts to throw their way, and I can't find anything on the web about it.
Thanks.
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