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).
Guinea pig sows are at risk of pregnancy complications because the babies are born large and ready to run. Breeding after 8 months of age can be fatal for a guinea pig who has not had a previous litter due to dystocia.emale guinea pigs can be sexually mature as early as 4 weeks old. Gestation is from 59 to 73 days and average litter size is 1-4 but can be as many as 7 or more. Breeding guinea pigs is not recommended.