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How to gain weight + mystery illness

fluffyzebbie

New Born Pup
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My guinea pig Zebbie is 4 years old and he's recently been ill, but we can't tell what with. We've been trying to help him gain weight after this as he has been in much better spirits and seems to be improving. Through the entire duration he has had critical care feed, pellets and plenty of hay and veggies. He was a loud little guy but he has not been oinking as much, or as loudly as he used to be. (He also has two brothers as his cagemates and they get on very well, neither of them have experienced the weightloss or illness like he has at all and as far as i can tell, they seem to be in tip-top condition for rowdy but sweet almost 2 year olds)

Around three weeks ago, he started having an upset stomach with watery poop and rapidly lost a lot of weight (He was already on the smaller size as I believe he was a runt, but he dropped down to 500g almost overnight from 900g). We took him to the vet asap and he was given antibiotics and we were told he could have an underlying health condition however the vet could not tell if or what it was. He began improving considerably and gained quite a lot of weight back in the first week and a half, which bought him up to just over 600g. This is still very small but he had huge improvements in his behaviour, so i assumed he'd continue to put more weight on back to where he was prior to getting ill with the mystery problem. We took him back to the vet and she saw clear improvement and his teeth were still okay. He's stayed around 600g since, but last Friday he seemed to not be feeling well and he had a wet chin which was presumably dribble so we took him to the vet again. She told us he most likely had an infection so he was prescribed antibiotic and painkiller to help him, which we finished the course of earlier last week; that bought him back to being bright and stopped the dribbling. However, he still has not gained weight past 650g and it seems to fluctuate quite a lot, both from day to day and throughout the course of the day. His poop this morning was incredibly watery but he was eating well and weighing around 610g.

Is there anything i can do differently to help him? The vet doesn't seem to be able to tell what could be underlying but still allowing him to feel so bright in himself.
 
Welcome to the forum.

I’m sorry to hear he is unwell.

First, don’t weigh more than once a day. If you weigh multiple times a day, you will pick up too much fluctuation. Once a day and comparing to the day before is enough.
Is he still losing any weight or just fluctuating around about the same amount?
Fluctuating 50g either way is fine, losing obviously is not.

Weight gain will take a considerable amount of time achieve after a significant loss.

If he has watery/soft poops, cut all veg out of his diet. Severe diarrhoea warrants and urgent vet visit due to the risk of dehydration.

Have you tried giving him any probiotics?
 
Welcome to the forum.

I’m sorry to hear he is unwell.

First, don’t weigh more than once a day. If you weigh multiple times a day, you will pick up too much fluctuation. Once a day and comparing to the day before is enough.
Is he still losing any weight or just fluctuating around about the same amount?
Fluctuating 50g either way is fine, losing obviously is not.

Weight gain will take a considerable amount of time achieve after a significant loss.

If he has watery/soft poops, cut all veg out of his diet. Severe diarrhoea warrants and urgent vet visit due to the risk of dehydration.

Have you tried giving him any probiotics?
I have only been comparing morning/morning or night/night weights i just get a little nervous so I do both for my own peace of mind? i think i am just being a little neurotic in that respect.
He's having water with probiotic in it, and he has been having it throughout.
I won't give him any more veg then, I am just worrying a little that if i cut the veg he will get unhappy and then decide he doesn't want any other food either..
I don't quite think it was diarrhoea, just quite watery and soft.
I have been trying to make sure he eats more hay, but i'm struggling to get him to eat it, are there any suggestions on that front?
 
I have only been comparing morning/morning or night/night weights i just get a little nervous so I do both for my own peace of mind? i think i am just being a little neurotic in that respect.
He's having water with probiotic in it, and he has been having it throughout.
I won't give him any more veg then, I am just worrying a little that if i cut the veg he will get unhappy and then decide he doesn't want any other food either..
I don't quite think it was diarrhoea, just quite watery and soft.
I have been trying to make sure he eats more hay, but i'm struggling to get him to eat it, are there any suggestions on that front?

When giving probiotic it is best to give it directly to him. Don’t add anything to drinking water.
What probiotic are you using?
Have you tried poop soup?

It is important you stop veg. Soft/watery poop is caused by a gut imbalance so continuing to give veg can cause further imbalance.

If his weight is stable, then he is eating enough hay. If he is losing weight then he is not eating enough hay and consequently needs to be syringe fed.

Digestive Disorders: Not Eating - Diarrhea - Bloat - GI Stasis (No Gut Movement)
Probiotics, Recovery Foods And Vitamin C: Overview With Product Links
 
When giving probiotic it is best to give it directly to him. Don’t add anything to drinking water.
What probiotic are you using?
Have you tried poop soup?

It is important you stop veg. Soft/watery poop is caused by a gut imbalance so continuing to give veg can cause further imbalance.

If his weight is stable, then he is eating enough hay. If he is losing weight then he is not eating enough hay and consequently needs to be syringe fed.

Digestive Disorders: Not Eating - Diarrhea - Bloat - GI Stasis (No Gut Movement)
Probiotics, Recovery Foods And Vitamin C: Overview With Product Links
I believe the probiotic i got from my vet is intentionally supposed to be dissolved in water, it's pro-c probiotic for small animals; would this be better sprinkled on food? added to the syringe feed?
I haven't tried poop soup yet, would this be a good idea to start?
Will stop the veggies for the time being.
 
I believe the probiotic i got from my vet is intentionally supposed to be dissolved in water, it's pro-c probiotic for small animals; would this be better sprinkled on food? added to the syringe feed?
I haven't tried poop soup yet, would this be a good idea to start?
Will stop the veggies for the time being.

Yes i would either add it to syringe feed or sprinkle on something. You can dissolve it in water and (carefully) syringe that to him, but I would not put it in a water bottle normally accessible.

Poop soup -
Feed some nice snacks to his healthy companion, wait for some poops to be produced. Immediately (within five minutes of poop coming out - gut bacteria will start to die off so you need to be quick with it) put the poops in water to soak. Once soaked for 10 minutes or so, draw up the water only into a syringe and give to your poorly piggy. This directly helps to replace the gut bacteria to help settle digestion.
 
alright, I'll do that! Thank you so so much for your help!
Yes i would either add it to syringe feed or sprinkle on something. You can dissolve it in water and (carefully) syringe that to him, but I would not put it in a water bottle normally accessible.

Poop soup -
Feed some nice snacks to his healthy companion, wait for some poops to be produced. Immediately (within five minutes of poop coming out - gut bacteria will start to die off so you need to be quick with it) put the poops in water to soak. Once soaked for 10 minutes or so, draw up the water only into a syringe and give to your poorly piggy. This directly helps to replace the gut bacteria to help settle digestion.
 
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