I'm not familiar with mazuri pellets, and Amazon didn't list the ingredients/percentages/etc, so I can't really say. Personally, I don't worry about the ratios too much; I just try to make sure that I'm going with pellets that have a good amount of fiber, not too much calcium, and few "junk fillers" (like added sugars).
Veggies... my Tannim gets greens (salad mix from the grocery store) and yellow bell pepper daily, with other veggies rotated in at random as I have them. I know there are posts on here with links to veggie lists (what's good, what's bad, feeding frequency, etc), and there are other sites that have good info too. (I have GuineaPigCorner, GuineaPigManual, and GuineaLynx bookmarked.)
This is a good place to get info... Welcome to the forum, and best wishes to you and your piggy(s)!
@MaiaBex is spot on!
I'm not familiar with Mazuri pellets, either; but if I remember correctly the only pellets that are good are Oxbow and KMS Hayloft. Most pellets have "junk fillers" as Maiabex said: too much calcium, sugar, corn, and not enough of other nutrients. And any pellet with added colored biscuits, seeds, or dried fruit is always bad. These things are unhealthy and seeds even dangerous to piggies.
As long as you feed a good, high quality pellet, you never have to worry about comparing veggie ratios to it! The simplest thing to do is avoid greens and vegetables too high in calcium, like romaine, kale, spinach, broccoli, celery, parsley, etc. Some piggies never have a problem with Ca
ratios, others will start to get white calcium powder in their urine if they eat too much of something high in calcium, and this can eventually cause bladder or kidney stones. Of my two piggies, one never has a problem with calcium, while my other will get white grit in his urine if eats something high in calcium for more than a couple days in a row. You just have to know your piggy.
For example, my piggies get yellow bell pepper, green bell pepper ( bell peppers are very important for your piggies to get enough vitamin c ) , cucumber, and green or red leaf lettuce every day. For treats they get little bits of carrots, apple, oranges, etc throughout the week. And as long as it's small amounts they can still have things high in calcium like the romaine, celery, etc as treats as well!
Here's the link to the veggie list here Maiabex spoke of:
https://www.guineapigcages.com/foru...vy-Nutrition-Charts-amp-Poisonous-Plants-List
It tells you everything about every veggie out there!
And here's a link to GuineaPigManual:
www.guineapigmanual.com
It helped me so much as a new guinea pig owner!
If you have any other questions ask away