Duroc Pig Breeding & Farrowing Guide
The gestation period for Duroc pigs is 3 months, 3 weeks, and 3 days (114 days). Accurate breeding records are essential—record the service date, boar identification, and expected farrowing date to ensure proper preparation for delivery. Breed gilts at 7–8 months of age when they weigh 130–150 kg, preferably on their second or third heat. Mature boars should be healthy, fertile, and at least 8–10 months old. Heat occurs every 21 days, with signs including a swollen vulva, standing reflex...