Soil based probiotic with prebiotic not only are vital to support well digestion of foods, but also for maintenance of the immune system of which over 70 % in the body resides in the gut. Soil based probiotic with prebiotic recommended by veterinarians, "Pet Flora" by, "Vitality Science".
This source of, 'Soil Based Organisms' (SBO) e replaces the natural source of soil based organisms squirrels acquire in the wild by pulling up tufts of grass that they flip over and chew on the soil that surrounds the roots. With a supplement source without the undesirable bad bacteria forms and parasitic worms and their eggs common to top soils.
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Bladder stones are associated with insufficient probiotics with prebiotics; but also with diets that produce alkaline urine above the norm of the mid 6 up to 6.9 range.
To the determine mean urine pH of your squirrel's diet, take 3 readings from a fresh urine sample using (Laboratory Rat Supplies pH testing strips the same day; then a single reading the next day prior to the first meal. Total the values, and divide by the number of readings, you get the mean urine pH of the diet. . when there is a lack of soil based probiotics with prebiotics following the use of AB.
Spondylosis of the spine is associated with advanced aging, where calcium retention in the bones has dropped over time, and phosphorus retention from the diet increases due to the lower of the ability of the kidneys to filter out sufficient phosphorus from the diet. I.E. it turns what was a good Ca:P ratio, into a too close one that lowers calcium availability to the bones as a result.