They start to lure the females to get in heat with a purring noise then one hops on the other and they do it...
Nope.
no they do not make guinea pigs fat !
No. There must be a male and a female for the guinea pigs to have offspring.
Yes, guinea pigs must mate to produce offspring.
depends on the two guinea pigs genotypes. could be anywhere from 75 to 100 percent.
Yes
No, two smooth coat guinea pigs will not produce a rough coat guinea pig. Coat type in guinea pigs is determined by genetics, so if the parents both have smooth coats, their offspring will also have smooth coats.
yes
Baby Guinea Pigs live independent with their mother.Guinea Pigs don't make nests.
Yes.
Yes, it is possible for a cross between two black guinea pigs to produce offspring that are not white. If both black guinea pigs carry recessive genes for coat color, such as the gene for white fur, there is a chance their offspring could inherit those genes and be white. However, if both parents are homozygous for the black coat color, all offspring will be black. Thus, the outcome depends on the specific genetic makeup of the parent guinea pigs.
Guinea pigs are herbivores, so they will not eat other guinea pigs. However, they can sometimes get into fights when they are first introduced. Make sure that you supervise them carefully. If your looking for how to introduce two new guinea pigs,