Yes, but this is not set in stone. I know 1 or 2 people, including myself, who
wasn't aware of that and did it anyway. It worked fine for me. I wouldn't
reccomend it since it most likely doesn't work out.
Elizabeth Heckert wrote:
>
> Unfortunately, the cooperation seldom lasts. A lot of people report that
> it works for a few litters, til they become out of synch, and then
> territory disputes break out or pups are stolen/killed. I believe Julian
> has a research reference, doesn't he?
>
> Elizabeth
> --
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