How to Use the Cow Gestation Calculator
Calculate cattle calving dates and dairy herd dry-off schedules:
Enter Breeding Date
Select date of artificial insemination (AI) or bull exposure.
Calculate 283 Days
Engine adds 283 days average bovine gestation.
Set Dry-Off Window
Stop milking dairy cows 60 days before calving for udder regeneration.
Prepare Calving Pen
Move cow to clean calving pasture or maternity stall 1-2 weeks before due date.
Key Features & Livestock Herd Management
283-Day Bovine Gestation
Calculates standard 283-day gestation for Angus, Holstein, and Hereford cattle.
Dairy Dry-Off Calculator
Calculates 60-day pre-partum dry-off date for optimal colostrum production.
100% Private Client Compute
Runs in browser memory with zero tracking or server logs.
Cattle Reproduction Guide: Gestation & Herd Management
Cattle pregnancy lasts an average of 283 days. Management of pregnant cows involves proper nutritional conditioning, dry-off period scheduling for dairy cattle, and close monitoring during the three stages of labor.
Frequently Asked Questions
?How long is a cow pregnant?
A cow's gestation period is approximately 283 days.