Well if they have been together since the younger one was born I assume it could be its relation??
Have a read on my website here...
Angelus Stud - A Bravenet.com Hosted Site
It has a few questions that you may need answering.

This is a boar...

Press down where the arrow is pointing a willy should pop out.
If NOT its a sow...

The arrow on this one is where you can feel the pelvis open before she is due to give birth.

If the boar is over 6mths old he sould have a good size pair of testicals on him too!

Emma x

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