Bonding boars

FeitiUK

New Born Pup
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Good morning all, apologies if this kind of thing has been asked loads of times before.

We had two brother boars, one sadly passed away. The remaining guy is almost 5 and was the boss of the two, albeit very chilled.

We rescued a single boar, apparently aged 1.5 and he clearly wants to be the alpha. Bonding went well in neutral territory, no scuffles just the usual rumbling and mounting.
Since they've been put back into their cage (6x3 C&C, 4 hidies, 2 water bottles etc) the new guy is getting more and more territorial. He doesn't let the older boar stay in any of the hidies, so he's forced to sit out in the open all day and he just won't stick up for himself. The older boar is still eating hay and getting his veggies, but the younger guy is stealing the food when he gets bored of his own. There is an area where they can jump on to which is isolated, if I give them access to that, then the older boar will just still up there 24 hrs a day if he could and avoid contact.

The old guy is clearly quite down about his new cage mate; my question is whilst they are not being aggressive, should I just give this time? Or are there some mismatches in personalities which just won't work, even if they're not fighting? The rescue was unable to provide 'piggy dating' in the winter, so we took a gamble.
 
Welcome to the forum

This sounds like it may be tipping beyond dominance and into bullying.
Taking food isn’t unusual and while dominance is to be expected the fact you are finding him wanting to isolate himself is of concern.
While it is good they arent fighting, a fight being a clear indication that a bond has failed, the absence of a fight doesn’t mean the bond is working. A submissive, bullied piggy will often take the bullying until it becomes too much. They then either become so depressed they stop eating or can go the other way and fight back.

The way you test a bond is to separate them and then watch the underpig (the older one). If he appears to perk up and be happier on his own, then that is a pretty good sign that this isn’t a successful bond and they would be happier if they are separated permanently.

I’ll add a guide below to help further

Bonds In Trouble

Bonding and Interaction: Illustrated Bonding Dynamics and Behaviours
 
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