They don't necessarily need more fat, but more nutirition from a good quality pellets like Oxbow's Cavy Cuisine (or even their cavy performance food that is alfalfa based so it has more calcium for the pups' growing bones, though alfalfa based foods aren't good for guinea pigs over 6 months anyways), unlimited ammounts of hay, lots of fresh greens like romaine lettuce/swiss chard/kale/spinach/ect..., and fresh clean water.
Most Guinea Pigs becomes lazy when they are pregnant,so most Guinea Pigs will not run away from home.But,Pregnant Guinea Pigs must need more exercise.
yes
No
You need to keep any males out of the same cage that a pregnant female is in. You can keep other females with the pregnant one. If you think you may have a problem with the pregnant one, you can cage her by herself.
As it is edible for them and helps wear down their teeth. People feed timothy hay to guinea pigs that aren't pregnant or young as if you give a normal guinea pig alfalfa hay (which is for pregnant guinea pigs and young guinea pigs), it will be too high in calcium (I think) which is bad for them.
Guinea pigs pregnancies last for 10weeks
Yes.
It's true some guinea pigs can't get pregnant. Only if you don't keep her in a cage without any boys!
not usually
guinea pig
Yes actually
Yes, guinea pigs should have a saltblock.