Asian elephant Gestation Period: How Long Is a Asian elephant Pregnant?

How long is a asian elephant pregnant?

A asian elephant carries her calf for an average of 617 days, or about 20 months and 1 week. Counting from the breeding date, calving is normal anywhere from day 600 to day 640.

Key checkpoints across the 617-day asian elephant gestation, measured in days from breeding:

Estimate your asian elephant's calving date

Enter the breeding date for an estimated calving date at 617 days.

Asian elephant gestation stages, month by month

Signs a asian elephant is pregnant

• Progesterone remains elevated rather than cycling — the earliest reliable confirmation
• Ultrasound in managed care confirms the pregnancy and follows calf growth
• The abdomen drops and broadens over the final six months
• Mammary development between the front legs in the last weeks

Signs of approaching calving

• A measurable drop in progesterone two to five days before birth
• Pacing, tail lifting, going off feed and companions crowding close in the final hours
• Contact your vet if labour stalls, if the animal strains without progress, or if there is abnormal discharge before calving begins.

What affects asian elephant gestation length

• Asian elephants carry for about 630 days, roughly 21 months, which is around two weeks less than African elephants.
• Newborn calves weigh about 90 to 110 kg and stand within an hour; twins occur but are very rare and rarely both survive.
• Asian elephants breed slowly and successfully in managed care compared with African elephants, and the studbook population depends heavily on a small number of proven breeding females.
• Male calves are carried slightly longer on average than female calves, a pattern seen across elephant records.
• Females are usually first bred in their teens and calve about every four to six years, often continuing into their fifties.
• Working elephants in range countries are traditionally taken off heavy work in the last third of pregnancy, and calves stay with the mother for years afterwards.

Asian elephant gestation chart

Every fifth breeding date across the year with the matching calving date, calculated at 617 days. Find the row closest to the date the asian elephant was served; because normal gestation spans 600 to 640 days, plan for a window of a few days either side. Filter by month, or print the chart for the barn wall or breeding record: navigation, buttons and adverts are hidden on paper.

Sources for asian elephant gestation figures

Figures on this page are drawn from Asian elephant studbook and zoo reproduction records, endocrine monitoring research and range-country elephant husbandry practice, and checked against the references below. Averages describe healthy animals under normal management; individual animals vary, and nothing here replaces advice from your vet.

• Association of Zoos and Aquariums (AZA) — species husbandry and animal care manuals
• Smithsonian's National Zoo & Conservation Biology Institute — species fact sheets
• Published zoological studies of captive births