such as "Introduction", "Conclusion"..etc
studies on the digestive physiology of these species are largely
missing, it is generally assumed that their forestomach functions in
the same way as that of ruminants, the most prominent characteristic of
which is the selective retention of larger particles. However,
retaining larger particles (which are more difficult to digest due to
their unfavourable surface:volume-ratio) only makes sense if you can chew on them again, i.e. ruminate, and thus reduce their size.
rodents and other small hindgut-fermenting herbivores, it is well-known
that large particles are selectively expelled from the hindgut, as they
are difficult to digest and represent bulk that limits further intake.
Theoretically, therefore, forestomachs of non-ruminating animals should
also rather selectively expel, not retain, larger particles.
an article to be published in the July 2004 issue of Mammal Review, Dr.
Marcus Clauss collates literature data on sloths which indicates that
the interplay of resting posture, digestive anatomy and ingesta
characteristics could, indeed, affect a faster expulsion of large
particles from the forestomach of these animals.Blackwell Publishing Ltd. April 2004.
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