Recommendations for best heat detection

Partner(s): Choice
Industry(ies): Swine

Bookmark (0)

No account yet? Register


Curtis Boos, technical expert specialized in insemination, gives us all the recommendations for best heat detection.


Curtis Boos


How useful was this post?

Click on a star to rate it!

Don't miss out valuable content


At this 1500 head sow farm, it is Tuesday and breeding technicians are checking sows for heat. Some at the end of their heat cycle, may no longer be in heat. A few are just beginning to come into heat.

Using a heat check boar

This heat check boar is trained and knows exactly what to do. It is important to have at least 2 boars to use for heat detection.

Stimulating the sow

Pressure on the back and pulling on the flank are good stimulation techniques to determine if the sow is in heat. The idea is to mimic what a boar would do in a natural service setting.

Heat checking the sow

The technician is using backpressure to check if sows are still in heat and ready to receive another insemination. If she does not become immobilized, she should not receive an additional insemination.

Signs of a sow in heat

When a boar gets close to a sow in heat, she stands up and becomes perfectly still with her ears erect. This sow is in standing heat. The position of the boar directly in front of the sow and with nose-to-nose contact is perfect for heat detection. Another characteristic of a sow in heat is a swollen and red vulva like this one.

Boar placement during insemination

Another characteristic of a sow in heat is a swollen and red vulva like this one.

When you use an aisle gate, it is best to have one gate for every 5 or 6 sows.

Questions and comments