Introducing a baby male to a bereaved older male

Sunflowerjasper

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Hi there, I'm looking for some advice / other opinions about my current piggy situation.

I had two male guinea pigs who just turned 3 years old. They got on very well but unfortunately the more dominant pig passed away all of a sudden. Our other pig seemed down for a while, but then OK, and I think us being at home at the moment has played a big part in that. However, lately he's been really attention-seeking, and seemed bored even after having lots of new exciting things in his home. He constantly wanted food and attention, and I thought perhaps he's lonely and missing piggy companionship.

So we decided to get another pig as a friend for him, and brought home a 10-week old male, who has settled in well. We kept them in separate homes for the first few days, and then I swapped some hay and sawdust from each home so they could smell each other. And then I put them into each other's homes on their own - the younger one loved it, running around and popcorning. The older one seemed fine but a bit more cautious.

Today we tried to introduce them to each other in a neutral environment and the younger one was very excited, whilst the older one wasn't that bothered, but wanted to go back into his home. So we then tried putting them both in the main home and they interacted a lot more. The older one followed the younger one around and did some sniffing and a little rumbling. He seemed initially concerned like, "hey, why are you on my bed and eating my food?", and showed his dominance by raising his chin high when they sniffed one another, but they both also popcorned a few times. I watched them for a few hours until I noticed the older one had a pink lip. The younger one had nipped his lip, but the older one hadn't made a noise or retaliated. I decided to separate them just in case and let the older one have a rest. But the younger one wants to go back and is squeaking and chewing the bars. I just feel awful.

I've ordered a ramp to connect the two homes and I'm hoping that it will allow them to spend some time together but also have their own space. The older one seems relaxed, and the younger one doesn't seem aggressive, I think he must have just scared and then nipped.

Do you think this piggy behaviour and the plan of action sound OK? I'm nervous, I only want the best for them both.
 
Welcome to the forum and I am sorry for your loss.

When bonding piggies, its done on neutral territory and all in one go. It’s best to not put a piggy into another piggy’s cage as this will be seen as a territory invasion.

You need to put them in a neutral territory bonding pen for several hours and leave them to accept each other and start to form a relationship and hierarchy. You must not separate them if acceptance has occurred. If you separate them you disrupt their process. After a few hours in the bonding pen and if successful (it sounds as if it was in your case), you should clean down the cage they are going to live in so the piggy who originally lived in that cage no longer sees it as their territory. You then move them together into the thoroughly cleaned out cage and leave them to live together from then on. It will then take a further two weeks for them to fully establish a relationship and during this time you will dominance behaviours.
As such, a ramp connecting the two cages is fine but only once they have been properly bonded in a neutral territory bonding pen and then each cage cleaned down.

At 10 weeks old, the baby is too young to be alone and is desperate to belong. Please do put them back on neutral territory for a few hours and let them sort things out again. Ensure there are no hides in the bonding pen (just a pile of hay). Ensure when you move them back to the cage that all hides have two exits so no piggy can get cornered by the other.
You only need separate them if a full on blood drawing fight occurs. Babies are generally accepted by older piggies but should such a fight happen (either now, which is unlikely, or later) then it means they are not compatible and will not be able to live together.

Ill link some guides below which will help you further

Bonding and Interaction: Illustrated social behaviours and bonding dynamics
A Comprehensive Guide to Guinea Pig Boars
Dominance Behaviours In Guinea Pigs
 
Welcome to the forum and I am sorry for your loss.

When bonding piggies, its done on neutral territory and all in one go. It’s best to not put a piggy into another piggy’s cage as this will be seen as a territory invasion.

You need to put them in a neutral territory bonding pen for several hours and leave them to accept each other and start to form a relationship and hierarchy. You must not separate them if acceptance has occurred. If you separate them you disrupt their process. After a few hours in the bonding pen and if successful (it sounds as if it was in your case), you should clean down the cage they are going to live in so the piggy who originally lived in that cage no longer sees it as their territory. You then move them together into the thoroughly cleaned out cage and leave them to live together from then on. It will then take a further two weeks for them to fully establish a relationship and during this time you will dominance behaviours.
As such, a ramp connecting the two cages is fine but only once they have been properly bonded in a neutral territory bonding pen and then each cage cleaned down.

At 10 weeks old, the baby is too young to be alone and is desperate to belong. Please do put them back on neutral territory for a few hours and let them sort things out again. Ensure there are no hides in the bonding pen (just a pile of hay). Ensure when you move them back to the cage that all hides have two exits so no piggy can get cornered by the other.
You only need separate them if a full on blood drawing fight occurs. Babies are generally accepted by older piggies but should such a fight happen (either now, which is unlikely, or later) then it means they are not compatible and will not be able to live together.

Ill link some guides below which will help you further

Bonding and Interaction: Illustrated social behaviours and bonding dynamics
A Comprehensive Guide to Guinea Pig Boars
Dominance Behaviours In Guinea Pigs
Thank you so much for your thoughtful reply. I really appreciate it!
 
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