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piggielover401
How old are they? Pigs under 6 months should be fed quality alfalfa pellets, and it doesn’t matter so much if they are producing deposits, as they need the extra calcium for health bone and tooth growth.
What brand of pellets are you using? Most brands use Alfalfa hay, which has lots of calcium in it. You want pellets to be brown (brightly coloured pellets are full of sugar and chemicals) and to have the main ingredient as Timothy Hay (which has much less calcium).
Also, guinea pigs should have Timothy hay (not Alfalfa) in their cage 24/7, as they need food to be moving through their stomachs constantly.
What type of lettuce are they getting? Romaine/Cos lettuce causes some pigs to excrete excessive amounts of calcium, but doesn’t affect others. I use red and green leafy lettuce, a lot like the ones in the following pic. They should be getting about 2 parts leafy greens to 1 part vegetables (or something like that).
This link has a very helpful guide to how often to feed each type of veggie:
https://www.guineapigcages.com/foru...vy-Nutrition-Charts-amp-Poisonous-Plants-List
The tomato, celery and cucumber should be limited to a few times per week, and they can have the equivalent of a baby carrot a day, but the chart gives much more detailed info on this and alternative veggies too.
Do they have runny noses? Have a look at this link anyway, it could come in handy for another time (but hopefully it won’t need to):
https://www.guinealynx.info/uri.html
Edit: Wow! I must be a slow typer! There were about 2 replies when I started typing!