How to Use the Swine Gestation Calculator
Calculate pig farrowing due date and maternity house scheduling:
STEP 01
Enter Service Date
Select date of artificial insemination or boar mating.
STEP 02
Calculate 114 Days
Engine adds 114 days (3 months, 3 weeks, 3 days).
STEP 03
Move to Farrowing House
Wash and move sow to farrowing pen on Day 109.
STEP 04
Provide Heat Lamp
Provide supplemental heat lamp for piglets (90°F / 32°C creep area).
Key Features & Swine Herd Management
3-3-3 Rule Precision
Calculates standard 114-day gestation period for Yorkshire, Duroc, and Berkshire sows.
Farrowing House Scheduling
Projects exact Day 109 crate transfer date for swine herd health.
100% Private Client Compute
Runs in browser memory with zero tracking or server logs.
Swine Production Guide: Sow Gestation & Piglet Farrowing
Porcine pregnancy lasts 114 days (3 months, 3 weeks, 3 days). Proper sow nutrition during late gestation ensures heavy piglet birth weights and colostrum production.
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Frequently Asked Questions
?How long is a pig pregnant?
Swine gestation is 114 days (3 months, 3 weeks, 3 days).