The city of Leeds is located in north-central Alabama largely in Jefferson County; in recent years, it has expanded into both Shelby and St. Clair counties. A suburb of Birmingham in the Cahaba Valley, the city has a mayor/council form of government and was incorporated in 1887.
How long is a guinea pig pregnancy? The guinea pig pregnancy duration is long-approximately 59- 72 days (the average is 65 days) - the duration decreases with litter size (i.e. the smaller the litter, the longer the pregnancy).The mean length of pregnancy for a litter of 1 guinea pig is 70 days; for a litter of 6 guinea pigs its 67 days.First litters tend to be smaller than subsequent litters.ow long is a guinea pig pregnancy? The guinea pig pregnancy duration is long-approximately 59- 72 days (the average is 65 days) - the duration decreases with litter size (i.e. the smaller the litter, the longer the pregnancy).
As low as $11.99. The timing of the first litter for the female is critical in breeding guinea pigs. While males can be used for breeding purposes any time after they are three or four months old, female guinea pigs should be bred the first time between four and seven months of age.This is related to the separation of certain pelvic bones just prior to delivery.hile males can be used for breeding purposes any time after they are three or four months old, female guinea pigs should be bred the first time between four and seven months of age. This is related to the separation of certain pelvic bones just prior to delivery.