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shell grit

definition Shell grit is coarsely ground or broken seashells. It is used, among other things, by birds as a source of calcium for egg shell production, and to aid digestion. more like this
notation more like this
ShGri more like this
source more like this
Resource original
Concept original
broader original
narrower shell-grit original
in scheme commodity-code original
is primary topic of shell-grit