Dominance fight Should I seperate them?

[TruMokKar]

Hi! I have two male piggies the older one is over five years and has arthrosis(900g), the younder one is 9 weeks old (405 g). The big one has lost weight recently we went to the doctor for a blood test and waiting for the results. Since meeting again after the day at the vet the little one tries to climb to the big one's but. The big is always loud at these times and shakes the little one off but the little one usually tries 3-5 times before giving up. The little one always wants to be near to the big one, while the big prefers resting alone and eating not closely next to eachother. They sometimes still use the same house for a few minutes but.mostly sleep seperately. Sometimes the big suddenly shows teeth or fastly moves it's mounth towards the little one but never touched or hurt him. The big is being fed by syringe because after coming home from the vet he bearly eat on his own for a day (now he eats better).
Yesteday I seperated them to enhance the big ones healing and resting but this morning they got reunited (They talked a lot to eachother while they've been in seperate cages.)
Should I seperate them again or wait for them to figure it out themselves. Is it a bad bond or can it be fixed. Maybe let's seperate them only till the little one becomes unquestionably the dominant? (Since the big has trouble moving around it will probably happen in a few weeks)

Thanks for your advice.

 

[Piggies&buns]

With boars, they are either compatible and can be together or they can’t.
What you cannot do is separate and reunite them repeatedly - it’s very stressful to them to do that and means their hierarchy never fully forms.

The younger one will not become the dominant if the older one doesn’t let him. what will happen if they both want to be dominant is that they will actually have a full on fight; if that occurs then their bond is permanently over and they will never be able to share a cage again anyway.
The younger one will not become dominant if you separate them - they have to be together to form their hierarchy and dominance structure

You have to determine whether their bond is functioning or not.
If it is then they stay together.
If it isn’t then they must be separated and kept separated for the rest of their lives.

Mounting is a dominance behaviour so in itself is not a problem.
Lunging is the older piggy telling the younger one to keep away. The older one may be in pain or feeling unwell and unable to cope with such a youngster.
Is the older one on good pain meds?

To me it sounds like they are on the edge at the moment. If you choose to keep them together, then you will have to watch them for the next few weeks and prepare to separate them if things escalate.

Bonds In Trouble