Five carcasses of domestic hens Gallus gallus domesticus were starting material for this study. Three carcasses were thermally treated to obtain all parts of skeleton. One set of initial material was placed in water ...

Beavers are known as biggest rodents leaving in Europe and North America. Two species are included in beaver family: eurpoean beaver (Castor fiber, L.1758) and candian beaver (Castor canadensis, Kuhl 1820). In ancient ...