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).
NOTES. The normal gestation period for a full size horse is 335 to 360 days (342 average.). The average gestation period for a miniature horse is approximately 320 days, but they should be closely watched after 300 days, or sooner depending upon any physical changes you see.The normal gestation period for donkeys is 360 to 375 days (368 average.).For goats, the average is 150 days. The average gestation period for cows is 283 days.For sheep, it's 145 days.he normal gestation period for donkeys is 360 to 375 days (368 average.). For goats, the average is 150 days. The average gestation period for cows is 283 days. For sheep, it's 145 days.