Szukana fraza: [Opis = "The crowns of the teeth were found to wear more slowly in a population of field mice, Apodemus agrarius \(Pallas, 1771\) living to a great extent on additional food \(oat grains\) than could have been expected from their absolute age. Age estimated on the basis of eye lens weight was accordance with the absolute age of individuals. The authors suggest that slower teeth wear was due to replacement of hard animal feed \(chitin\) by oats"]

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