kurdyuk

Fat from the tail of a fat-tailed sheep.

Modern-day residents of the Ukok eat kurdyuk, and consider it a delicacy.

A fat-tailed sheep.

Study of the blood factors of 345 sheep, including hybrids and backcrosses between the wild O. polii karelini and the New-Caucasian Merino, Prococe, and Kurdyuk, showed that in glutthione concentration, dry residue and specific gravity of the blood, and resistance of erythrocytes to solution the hybrids excelled the purebreds.