Sheep Gestation Calculator
Keep track of your ewe's pregnancy milestones. Enter the breeding date to see expected lambing dates and monitor progress.
Date when the ewe was bred
How long is sheep gestation?
Sheep gestation averages 147 days (about 5 months), ranging from 144-152 days. Single lambs typically come a few days earlier, while multiple births (twins/triplets) may arrive 2-3 days later. Lambs born before day 140 are rarely viable. The ewe's breed, nutrition, and age can slightly affect gestation length. First-time ewes (lambs) may have slightly shorter pregnancies.
How do I know when my ewe is close to lambing?
Signs of impending labor: udder development (1-2 weeks before), vulva swelling (3-7 days), restlessness andIsolation from flock, nesting behavior (pawing ground), loss of appetite, tail becomes limp, mucus discharge. The ewe often seeks a quiet corner. Lambing usually occurs within 24 hours of these signs. Have your lambing kit ready. First-time mothers may show fewer signs. Monitor evening and night during the due period.
What preparations are needed before lambing?
Prepare 2-3 weeks before: clean and disinfect lambing jugs (1-2 per ewe), gather supplies ( iodine, towels, umbilical clips, colostrum replacer, heat lamps), set up a lambing kit. Ewes should be moved to close monitoring 2 weeks before due date. Ensure adequate nutrition in last 6 weeks (increased energy, protein). Trim udder hair. Have emergency vet contact. Register for lamb watch shifts.
How many lambs do sheep typically have?
Most breeds average 1.5-2.5 lambs per birth. First-time ewes usually have single lambs. Mature ewes commonly have twins. Some breeds (like Finn sheep) average 2-3. Triplets are less common but do occur. Larger breeds (Suffolk, Hampshire) tend toward singles or twins. triplet and quadruplet pregnancies need extra monitoring and supplemental feeding. Dystocia (difficult birth) is more common with large litters.