Water buffalo
Water buffalo Gestation Period: Free Calculator, Chart and Key Dates
A water buffalo is pregnant for 310 days on average, which is 44 weeks and 2 days, or about 10 months. The normal range is 300 to 320 days. Enter the mating date in the calculator below to receive the due date, the earliest and latest calving dates and every milestone.
310 days
Average
300–320
Normal range (days)
1
Calf per birth
What Is the Water buffalo Gestation Calculator?
The water buffalo gestation calculator is a free calculator that converts a mating date into a calving date. Gestation is the time from conception to birth. A water buffalo carries its young for 310 days on average, and a normal pregnancy ends between day 300 and day 320. Each birth produces 1 calf.
The calculator returns:
- Expected calving date The most likely date, counted from your breeding date.
- Earliest and latest normal dates Day 300 and day 320.
- 6 milestones With calendar dates, from day 45 to day 310.
- Calendar file Add the dates to Google Calendar, Apple Calendar and Outlook.
Entering a target calving date returns the matching mating date.
Example: a water buffalo with a mating date of 1 March 2026 is due on 5 January 2027 (day 310). The normal range runs from 26 December 2026 (day 300) to 15 January 2027 (day 320).
Problems the Water buffalo Gestation Calculator Solves
- You do not know when the calf are due. The calculator applies the 310-day average and the 300–320 day range to your date, so you know the day to prepare and the day the calving window opens.
- You are counting days by hand. Counting 310 days across months and years causes errors. The calculator performs the date arithmetic and shows each stage on a calendar.
- You need to plan ahead. Each result dates 6 milestones, starting on day 45 (rectal palpation or ultrasound confirms pregnancy) and ending with the expected calving on day 310.
- Breed changes the date. The calculator holds 6 breed lengths for the water buffalo, from 308 to 330 days, and applies the one you pick.
How the Water buffalo Gestation Calculator Works
- Enter the date. Use the mating date, or enter a target calving date to work backwards.
- Select the breed. Use Average or one of the 6 breeds, or enter your own gestation length if your veterinarian gives you one.
- Read the result. See the calving date, the 300–320 day range and the milestones.
- Save or share it. Add the dates to your calendar, print the chart, or copy a link that reopens the calculator with your dates.
Water buffalo Gestation Length by Breed
The calculator holds one gestation length for each breed:
- Murrah (river type): 308 days
- Nili-Ravi (river type): 310 days
- Mediterranean (river type): 310 days
- Surti (river type): 311 days
- Jaffarabadi (river type): 315 days
- Swamp buffalo: 330 days
Water buffalo Timeline: Key Dates
This table lists the 6 milestones the calculator dates for a water buffalo. Day numbers count from the mating date. The dates assume a mating date of 1 March 2026.
| Day | Date | Milestone |
|---|---|---|
| 45 | 15 April 2026 | Rectal palpation or ultrasound confirms pregnancy |
| 220 | 7 October 2026 | Dry off the buffalo — about 90 days before calving |
| 250 | 6 November 2026 | Increase the ration; most calf growth is in the final trimester |
| 280 | 6 December 2026 | Pre-calving vaccination and mineral supplementation |
| 300 | 26 December 2026 | Move her to a clean, shaded calving area with a wallow or sprinklers |
| 310 | 5 January 2027 | Expected calving |
Source: published averages, loaded into the calculator. Each animal falls anywhere inside the 300–320 day range.
Why Choose Animal Gestation Calculator for Your Water buffalo
- A range with every date. You see day 300, day 310 and day 320, not one guess.
- Your own gestation length. Enter the figure your veterinarian provides.
- Dated milestones. Every milestone sits on your calendar.
- Calendar export and printing. Add the dates to Google Calendar, Apple Calendar or Outlook, or print the 12-month breeding chart.
- Free and private. No account is required, and your entries stay in your browser.
- Published sources. Every figure comes from a published average, and every page labels it an estimate.
Who Uses the Water buffalo Gestation Calculator
- Farmers and ranchers planning the birthing season.
- Herd and flock managers tracking breeding dates for each female.
- Agricultural students who need a gestation chart.
- Veterinary students who need a gestation chart.
Gestation Calculators for Other Livestock
Compare the water buffalo’s 310 days with nearby livestock: the cow gestation calculator (283 days), the horse gestation calculator (340 days), the alpaca gestation calculator (345 days), the llama gestation calculator (350 days), the donkey gestation calculator (365 days). The home page lists the gestation period of all 75 animals.
Water buffalo 12-Month Breeding Date Chart
Based on a 310-day gestation, using 2027 as the example year. Find the breeding date on the left and the expected calving date on the right. A year after the date means it falls in a later year. In a leap year, dates after 29 February move by a day.
| Bred | Due |
|---|---|
| 1 | Nov 7 |
| 2 | Nov 8 |
| 3 | Nov 9 |
| 4 | Nov 10 |
| 5 | Nov 11 |
| 6 | Nov 12 |
| 7 | Nov 13 |
| 8 | Nov 14 |
| 9 | Nov 15 |
| 10 | Nov 16 |
| 11 | Nov 17 |
| 12 | Nov 18 |
| 13 | Nov 19 |
| 14 | Nov 20 |
| 15 | Nov 21 |
| 16 | Nov 22 |
| 17 | Nov 23 |
| 18 | Nov 24 |
| 19 | Nov 25 |
| 20 | Nov 26 |
| 21 | Nov 27 |
| 22 | Nov 28 |
| 23 | Nov 29 |
| 24 | Nov 30 |
| 25 | Dec 1 |
| 26 | Dec 2 |
| 27 | Dec 3 |
| 28 | Dec 4 |
| 29 | Dec 5 |
| 30 | Dec 6 |
| 31 | Dec 7 |
| Bred | Due |
|---|---|
| 1 | Dec 8 |
| 2 | Dec 9 |
| 3 | Dec 10 |
| 4 | Dec 11 |
| 5 | Dec 12 |
| 6 | Dec 13 |
| 7 | Dec 14 |
| 8 | Dec 15 |
| 9 | Dec 16 |
| 10 | Dec 17 |
| 11 | Dec 18 |
| 12 | Dec 19 |
| 13 | Dec 20 |
| 14 | Dec 21 |
| 15 | Dec 22 |
| 16 | Dec 23 |
| 17 | Dec 24 |
| 18 | Dec 25 |
| 19 | Dec 26 |
| 20 | Dec 27 |
| 21 | Dec 28 |
| 22 | Dec 29 |
| 23 | Dec 30 |
| 24 | Dec 31 |
| 25 | Jan 1 2028 |
| 26 | Jan 2 2028 |
| 27 | Jan 3 2028 |
| 28 | Jan 4 2028 |
| Bred | Due |
|---|---|
| 1 | Jan 5 2028 |
| 2 | Jan 6 2028 |
| 3 | Jan 7 2028 |
| 4 | Jan 8 2028 |
| 5 | Jan 9 2028 |
| 6 | Jan 10 2028 |
| 7 | Jan 11 2028 |
| 8 | Jan 12 2028 |
| 9 | Jan 13 2028 |
| 10 | Jan 14 2028 |
| 11 | Jan 15 2028 |
| 12 | Jan 16 2028 |
| 13 | Jan 17 2028 |
| 14 | Jan 18 2028 |
| 15 | Jan 19 2028 |
| 16 | Jan 20 2028 |
| 17 | Jan 21 2028 |
| 18 | Jan 22 2028 |
| 19 | Jan 23 2028 |
| 20 | Jan 24 2028 |
| 21 | Jan 25 2028 |
| 22 | Jan 26 2028 |
| 23 | Jan 27 2028 |
| 24 | Jan 28 2028 |
| 25 | Jan 29 2028 |
| 26 | Jan 30 2028 |
| 27 | Jan 31 2028 |
| 28 | Feb 1 2028 |
| 29 | Feb 2 2028 |
| 30 | Feb 3 2028 |
| 31 | Feb 4 2028 |
| Bred | Due |
|---|---|
| 1 | Feb 5 2028 |
| 2 | Feb 6 2028 |
| 3 | Feb 7 2028 |
| 4 | Feb 8 2028 |
| 5 | Feb 9 2028 |
| 6 | Feb 10 2028 |
| 7 | Feb 11 2028 |
| 8 | Feb 12 2028 |
| 9 | Feb 13 2028 |
| 10 | Feb 14 2028 |
| 11 | Feb 15 2028 |
| 12 | Feb 16 2028 |
| 13 | Feb 17 2028 |
| 14 | Feb 18 2028 |
| 15 | Feb 19 2028 |
| 16 | Feb 20 2028 |
| 17 | Feb 21 2028 |
| 18 | Feb 22 2028 |
| 19 | Feb 23 2028 |
| 20 | Feb 24 2028 |
| 21 | Feb 25 2028 |
| 22 | Feb 26 2028 |
| 23 | Feb 27 2028 |
| 24 | Feb 28 2028 |
| 25 | Feb 29 2028 |
| 26 | Mar 1 2028 |
| 27 | Mar 2 2028 |
| 28 | Mar 3 2028 |
| 29 | Mar 4 2028 |
| 30 | Mar 5 2028 |
| Bred | Due |
|---|---|
| 1 | Mar 6 2028 |
| 2 | Mar 7 2028 |
| 3 | Mar 8 2028 |
| 4 | Mar 9 2028 |
| 5 | Mar 10 2028 |
| 6 | Mar 11 2028 |
| 7 | Mar 12 2028 |
| 8 | Mar 13 2028 |
| 9 | Mar 14 2028 |
| 10 | Mar 15 2028 |
| 11 | Mar 16 2028 |
| 12 | Mar 17 2028 |
| 13 | Mar 18 2028 |
| 14 | Mar 19 2028 |
| 15 | Mar 20 2028 |
| 16 | Mar 21 2028 |
| 17 | Mar 22 2028 |
| 18 | Mar 23 2028 |
| 19 | Mar 24 2028 |
| 20 | Mar 25 2028 |
| 21 | Mar 26 2028 |
| 22 | Mar 27 2028 |
| 23 | Mar 28 2028 |
| 24 | Mar 29 2028 |
| 25 | Mar 30 2028 |
| 26 | Mar 31 2028 |
| 27 | Apr 1 2028 |
| 28 | Apr 2 2028 |
| 29 | Apr 3 2028 |
| 30 | Apr 4 2028 |
| 31 | Apr 5 2028 |
| Bred | Due |
|---|---|
| 1 | Apr 6 2028 |
| 2 | Apr 7 2028 |
| 3 | Apr 8 2028 |
| 4 | Apr 9 2028 |
| 5 | Apr 10 2028 |
| 6 | Apr 11 2028 |
| 7 | Apr 12 2028 |
| 8 | Apr 13 2028 |
| 9 | Apr 14 2028 |
| 10 | Apr 15 2028 |
| 11 | Apr 16 2028 |
| 12 | Apr 17 2028 |
| 13 | Apr 18 2028 |
| 14 | Apr 19 2028 |
| 15 | Apr 20 2028 |
| 16 | Apr 21 2028 |
| 17 | Apr 22 2028 |
| 18 | Apr 23 2028 |
| 19 | Apr 24 2028 |
| 20 | Apr 25 2028 |
| 21 | Apr 26 2028 |
| 22 | Apr 27 2028 |
| 23 | Apr 28 2028 |
| 24 | Apr 29 2028 |
| 25 | Apr 30 2028 |
| 26 | May 1 2028 |
| 27 | May 2 2028 |
| 28 | May 3 2028 |
| 29 | May 4 2028 |
| 30 | May 5 2028 |
| Bred | Due |
|---|---|
| 1 | May 6 2028 |
| 2 | May 7 2028 |
| 3 | May 8 2028 |
| 4 | May 9 2028 |
| 5 | May 10 2028 |
| 6 | May 11 2028 |
| 7 | May 12 2028 |
| 8 | May 13 2028 |
| 9 | May 14 2028 |
| 10 | May 15 2028 |
| 11 | May 16 2028 |
| 12 | May 17 2028 |
| 13 | May 18 2028 |
| 14 | May 19 2028 |
| 15 | May 20 2028 |
| 16 | May 21 2028 |
| 17 | May 22 2028 |
| 18 | May 23 2028 |
| 19 | May 24 2028 |
| 20 | May 25 2028 |
| 21 | May 26 2028 |
| 22 | May 27 2028 |
| 23 | May 28 2028 |
| 24 | May 29 2028 |
| 25 | May 30 2028 |
| 26 | May 31 2028 |
| 27 | Jun 1 2028 |
| 28 | Jun 2 2028 |
| 29 | Jun 3 2028 |
| 30 | Jun 4 2028 |
| 31 | Jun 5 2028 |
| Bred | Due |
|---|---|
| 1 | Jun 6 2028 |
| 2 | Jun 7 2028 |
| 3 | Jun 8 2028 |
| 4 | Jun 9 2028 |
| 5 | Jun 10 2028 |
| 6 | Jun 11 2028 |
| 7 | Jun 12 2028 |
| 8 | Jun 13 2028 |
| 9 | Jun 14 2028 |
| 10 | Jun 15 2028 |
| 11 | Jun 16 2028 |
| 12 | Jun 17 2028 |
| 13 | Jun 18 2028 |
| 14 | Jun 19 2028 |
| 15 | Jun 20 2028 |
| 16 | Jun 21 2028 |
| 17 | Jun 22 2028 |
| 18 | Jun 23 2028 |
| 19 | Jun 24 2028 |
| 20 | Jun 25 2028 |
| 21 | Jun 26 2028 |
| 22 | Jun 27 2028 |
| 23 | Jun 28 2028 |
| 24 | Jun 29 2028 |
| 25 | Jun 30 2028 |
| 26 | Jul 1 2028 |
| 27 | Jul 2 2028 |
| 28 | Jul 3 2028 |
| 29 | Jul 4 2028 |
| 30 | Jul 5 2028 |
| 31 | Jul 6 2028 |
| Bred | Due |
|---|---|
| 1 | Jul 7 2028 |
| 2 | Jul 8 2028 |
| 3 | Jul 9 2028 |
| 4 | Jul 10 2028 |
| 5 | Jul 11 2028 |
| 6 | Jul 12 2028 |
| 7 | Jul 13 2028 |
| 8 | Jul 14 2028 |
| 9 | Jul 15 2028 |
| 10 | Jul 16 2028 |
| 11 | Jul 17 2028 |
| 12 | Jul 18 2028 |
| 13 | Jul 19 2028 |
| 14 | Jul 20 2028 |
| 15 | Jul 21 2028 |
| 16 | Jul 22 2028 |
| 17 | Jul 23 2028 |
| 18 | Jul 24 2028 |
| 19 | Jul 25 2028 |
| 20 | Jul 26 2028 |
| 21 | Jul 27 2028 |
| 22 | Jul 28 2028 |
| 23 | Jul 29 2028 |
| 24 | Jul 30 2028 |
| 25 | Jul 31 2028 |
| 26 | Aug 1 2028 |
| 27 | Aug 2 2028 |
| 28 | Aug 3 2028 |
| 29 | Aug 4 2028 |
| 30 | Aug 5 2028 |
| Bred | Due |
|---|---|
| 1 | Aug 6 2028 |
| 2 | Aug 7 2028 |
| 3 | Aug 8 2028 |
| 4 | Aug 9 2028 |
| 5 | Aug 10 2028 |
| 6 | Aug 11 2028 |
| 7 | Aug 12 2028 |
| 8 | Aug 13 2028 |
| 9 | Aug 14 2028 |
| 10 | Aug 15 2028 |
| 11 | Aug 16 2028 |
| 12 | Aug 17 2028 |
| 13 | Aug 18 2028 |
| 14 | Aug 19 2028 |
| 15 | Aug 20 2028 |
| 16 | Aug 21 2028 |
| 17 | Aug 22 2028 |
| 18 | Aug 23 2028 |
| 19 | Aug 24 2028 |
| 20 | Aug 25 2028 |
| 21 | Aug 26 2028 |
| 22 | Aug 27 2028 |
| 23 | Aug 28 2028 |
| 24 | Aug 29 2028 |
| 25 | Aug 30 2028 |
| 26 | Aug 31 2028 |
| 27 | Sep 1 2028 |
| 28 | Sep 2 2028 |
| 29 | Sep 3 2028 |
| 30 | Sep 4 2028 |
| 31 | Sep 5 2028 |
| Bred | Due |
|---|---|
| 1 | Sep 6 2028 |
| 2 | Sep 7 2028 |
| 3 | Sep 8 2028 |
| 4 | Sep 9 2028 |
| 5 | Sep 10 2028 |
| 6 | Sep 11 2028 |
| 7 | Sep 12 2028 |
| 8 | Sep 13 2028 |
| 9 | Sep 14 2028 |
| 10 | Sep 15 2028 |
| 11 | Sep 16 2028 |
| 12 | Sep 17 2028 |
| 13 | Sep 18 2028 |
| 14 | Sep 19 2028 |
| 15 | Sep 20 2028 |
| 16 | Sep 21 2028 |
| 17 | Sep 22 2028 |
| 18 | Sep 23 2028 |
| 19 | Sep 24 2028 |
| 20 | Sep 25 2028 |
| 21 | Sep 26 2028 |
| 22 | Sep 27 2028 |
| 23 | Sep 28 2028 |
| 24 | Sep 29 2028 |
| 25 | Sep 30 2028 |
| 26 | Oct 1 2028 |
| 27 | Oct 2 2028 |
| 28 | Oct 3 2028 |
| 29 | Oct 4 2028 |
| 30 | Oct 5 2028 |
| Bred | Due |
|---|---|
| 1 | Oct 6 2028 |
| 2 | Oct 7 2028 |
| 3 | Oct 8 2028 |
| 4 | Oct 9 2028 |
| 5 | Oct 10 2028 |
| 6 | Oct 11 2028 |
| 7 | Oct 12 2028 |
| 8 | Oct 13 2028 |
| 9 | Oct 14 2028 |
| 10 | Oct 15 2028 |
| 11 | Oct 16 2028 |
| 12 | Oct 17 2028 |
| 13 | Oct 18 2028 |
| 14 | Oct 19 2028 |
| 15 | Oct 20 2028 |
| 16 | Oct 21 2028 |
| 17 | Oct 22 2028 |
| 18 | Oct 23 2028 |
| 19 | Oct 24 2028 |
| 20 | Oct 25 2028 |
| 21 | Oct 26 2028 |
| 22 | Oct 27 2028 |
| 23 | Oct 28 2028 |
| 24 | Oct 29 2028 |
| 25 | Oct 30 2028 |
| 26 | Oct 31 2028 |
| 27 | Nov 1 2028 |
| 28 | Nov 2 2028 |
| 29 | Nov 3 2028 |
| 30 | Nov 4 2028 |
| 31 | Nov 5 2028 |
Frequently Asked Questions
How long is a water buffalo pregnant?
A water buffalo is pregnant for 310 days on average, which is 44 weeks and 2 days, or about 10 months. The normal range is 300 to 320 days. Use the water buffalo gestation calculator for your animal’s date.
How many days is the pregnancy of a water buffalo?
The average is 310 days. The shortest normal pregnancy is 300 days and the longest is 320 days, a spread of 20 days.
How do I calculate the due date?
Add 310 days to the mating date. A water buffalo with a mating date of 1 March 2026 is due on 5 January 2027, within a range from 26 December 2026 to 15 January 2027. The calculator does the arithmetic for any date.
How accurate is the calculator?
The calculator gives an estimate from the published average. A normal pregnancy ends between day 300 and day 320. A veterinarian can give a more precise date for your animal.
How many young does a water buffalo have?
Each birth produces 1 calf.
What are the key dates in the pregnancy?
The calculator dates 6 milestones: day 45, rectal palpation or ultrasound confirms pregnancy; day 220, dry off the buffalo — about 90 days before calving; day 250, increase the ration; most calf growth is in the final trimester; day 280, pre-calving vaccination and mineral supplementation; day 300, move her to a clean, shaded calving area with a wallow or sprinklers; day 310, expected calving. The timeline table above lists each one.
When is the expected calving date?
The expected calving date is day 310, which is 44 weeks and 2 days, or about 10 months after the mating date.
Does the breed change the gestation length?
Yes. The calculator holds 6 breed lengths for the water buffalo, from 308 days (Murrah (river type)) to 330 days (Swamp buffalo).
How does the pregnancy compare with other animals?
At 310 days the water buffalo carries its young longer than a human (280 days) and longer than a dog (63 days). The home page lists the gestation period of all 75 animals.
Is the calculator veterinary advice?
No. The calculator provides estimates for planning only. Every animal is different. Consult a qualified veterinarian about your animal’s pregnancy, health and calving, and contact a veterinarian immediately in an emergency.
Find Your Water buffalo’s Due Date Now
Enter the mating date and receive the calving date, the 300–320 day range and the milestones in seconds.
Read our Disclaimer, Privacy Policy and Terms of Use, or return to the Animal Gestation Calculator home page.
Important notice: All dates and figures are estimates for planning only and are not veterinary advice. Consult a qualified veterinarian.