Healthy teeth thanks to the 'washing machine effect'

ScienceDaily
May 12, 2023, 6:47 pm44 pts
Ruminants like cows have developed an unusual way of digesting their food: they ingest plants, give them a rough chewing and then swallow the half-chewed mash before regurgitating it repeatedly and continuing to chew. This has clear advantages: the regurgitated mushy food contains much less hard grit, sand and…

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