In this study, scientists studied the effects of four
different pelleted diets of increasing abrasiveness [due to both internal
(phytoliths) and external abrasives (sand)] or whole grass hay fed for two
weeks each in random order to 16 guinea pigs on incisor growth and wear, and
tooth length of incisors and cheek teeth.
There was a positive correlation between wear and growth of
incisors. Tooth lengths depended both on internal and external abrasives, but
only upper incisors were additionally affected by the feeding of whole hay.
Diet effects were most prominent in anterior cheek teeth. Cheek tooth angle did
not become shallower with decreasing diet abrasiveness, suggesting that a lack
of dietary abrasiveness does not cause the typical ‘bridge formation’ of
anterior cheek teeth frequently observed in guinea pigs.
The findings suggest that other factors than diet
abrasiveness, such as mineral imbalances and in particular hereditary
malocclusion, are more likely causes for dental problems observed in this
Source: J. Müller
et al., 2014. Tooth length and
incisal wear and growth in guinea pigs (Cavia
porcellus) fed diets of different abrasiveness. JAPAN online, July 2014. doi: 10.1111/jpn.12226.
The question is whether they provide additional benefit to the dog or cat
To be effective, probiotics must be live and viable
It's the finishing touch that can meet both owner and pet needs.
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