Every 1 week. Or when it starts to smell.
Once a week.
Yes, with the proper housing.
It shouldn't!!! You must change it more often! Daily!!! would you like your food to be slimey???
yes
3 days
All the time.
Foxes are omnivorous which means they will eat almost anything. But they do tend to like meat. Small animals and insects are their usual prey so yes, guinea-pigs might be something they would eat.
No. Mammals cannot change gender without medical intervention.
No!!!!!!!They are actually part of the rodent family.
No.
I have three
Not sure, but guinea pigs aren't type of pigs. They're in the rodents family, and NOT pigs. Hope this helped?