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... rich substance ... dense in the bacteria necessary for digesting the mother's current diet" (Blass, E.. The ontogeny of human face recognition: Orogustatory, visual, and social influences. In P. Rochat (Ed.), Early social cognition: Understanding others in the first months of life (pp. 35-65). Mahwah, NJ: Erlbaum). The pups are attracted to the smell of the caecotrophe and ingest it, ...
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