Is your pig pregnant and you wanted to know her farrowing date or you want to breed your pigs but interested in knowing when the sow would deliver her babies? If yes, our pig gestation calculator will help you to calculate the estimated farrowing date for your pregnant sow (in-sow). To calculate the pig gestation using this calculator, just select the date of first mating and click the calculate button. The farrowing date will be displayed.

Pigs have an average gestation period of 114 days. The gestation period of pigs is normally 113 – 115 days counting from the first day of mating.

This pig gestation period calculator can be used for the following breeds of pigs.

Danish Landrace Kele Beijing Black
Ningxiang Mong Cai Bulgarian White
French Landrace Large Black-white Wuzhishan
Lithuanian Native Mukota Mora Romagnola
Thuoc Nhieu Lacombe Meishan
Swedish Landrace Belarus Black Pied Gloucestershire Old Spots
Dutch Landrace Berkshire Hereford
British Landrace Minzhu Red Wattle
American Yorkshire Large White American Landrace
Welsh Mulefoot Fengjing
Ba Xuyen Yorkshire Jinhua
Hezuo Tibetan Saddleback
Finnish Landrace German Landrace Mangalitza
Bantu Kunekune Iberian
Vietnamese Potbelly Hampshire Philippine Native
Swallow Belied Mangalitza Poland China Large Black
Neijiang Italian Landrace Krskopolje
British Lop Chester White Oxford Sandy and Black
Choctaw Hog Middle White Arapawa Island
Cantonese Pig Belgian Landrace Norwegian Landrace
Pietrain Turopolje Duroc
Spotted Guinea Hog Angeln saddleback
Czech Improved White Ossabaw Island Tamworth
Mother pig and piglet
Mother pig and piglet

We have answered a few of the frequently asked questions on pig gestation period, heat period and gestation chart or table.

What is the gestation period for pigs or for how long are pigs pregnant?

As stated above the gestation period of pigs is 113 to 115 days or an average of 114 days (3-3-3 i.e. 3 months, 3 weeks, 3 days). The pig/swine gestation period calculator at the top of this page would help you to calculate the estimated farrowing date for your pregnant sow.

What is the heat cycle or oestrus cycle of pigs?

The oestrus or heat cycle of pigs ranges from 17 – 25 days or 21 days on average. The heat period often lasts for 48 hours in gilts and 60 hours in adult sows.

Pig Gestation Table, Chart or Calendar

You can make use of the swine or pig gestation table or chart to determine when your pregnant sow will give birth (farrow). Click on the image to view.

Pig Gestation Table / Chart
Pig Gestation Table / Chart