Farrowing Calculation:
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The farrowing date calculation estimates when sows will give birth (farrow) based on their breeding date. The standard gestation period for pigs is 114 days (3 months, 3 weeks, and 3 days).
The calculator uses the standard pig gestation formula:
Where:
Explanation: This calculation provides the expected due date for piglets based on the known breeding date.
Details: Knowing the farrowing date helps farmers prepare proper facilities, schedule veterinary care, and manage nutrition for pregnant sows.
Tips: Enter the exact breeding date in the format YYYY-MM-DD. The calculator will add 114 days to determine the expected farrowing date.
Q1: Is 114 days exact for all pigs?
A: While 114 days is the average, gestation can range from 112-116 days depending on various factors.
Q2: How accurate is this calculation?
A: It provides a reliable estimate but monitor sows closely as the due date approaches as individual variations occur.
Q3: Does litter size affect gestation length?
A: Yes, larger litters tend to have slightly shorter gestation periods.
Q4: When should I prepare the farrowing crate?
A: Prepare at least 5-7 days before the calculated farrowing date.
Q5: What if my sow goes past the due date?
A: Consult a veterinarian if farrowing hasn't begun by day 116 as prolonged gestation can indicate problems.