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).
Mares have an average gestation time of 340 days or approximately 11 months, though some people have reported that when a mare is carrying a mule foal she may go a week or two longer.Here is a handy charge for calculating when your mare should be due:Donkey jennets have an average gestation of 365 days or 12 months, though there have been occasional cases of a donkey giving birth to a healthy foal as early as 10 1/2 months or as late as 14 1/2 months from her last breeding date.ares have an average gestation time of 340 days or approximately 11 months, though some people have reported that when a mare is carrying a mule foal she may go a week or two longer. Here is a handy charge for calculating when your mare should be due: