An experimental study was conducted on mongrel dogs aged 1–2 years weighing 8–12 kg. A brefoxeno graft was prepared from the bone tissue of newborn lambs, demineralized according to the method of V.I. Savelyev and canned according to the method of V.F. Parfentyeva. During sinus lifting, demineralized lamb bone tissue (DLBT) was used in the form of crushed stone. After 1, 3, 6, 9 months, the animals were killed by decapitation under ether anesthesia. The material was examined under an electron microscope.

This article describes the spread, prevention and treatment of breast cancer in dogs of different breeds kept in canine kennels in Uzbekistan, the level and methods of SDROW YEK r esearch of