| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| 028059(Ф) Univyersalnaya | bay | f | 2011 | 643115000001907 | Repeat Love | 026483(А) Ultra Lav | French Trotter | Makarevich Georgy Vasilevich |
| 016551 Uniya | chestnut | f | 1970 | 08388 Nominal | 015286 Uslada | Trotter | Omskii konzavod | |
| Unkas | bay | c | 2016 | 012671(А) Niklas Palema | 027483 Upa | Trotter | "Aleksandrovsk Stud N 12" | |
| Uno Atout | bay | c | 1986 | Istraeki | Lura d'Atout | French Trotter | France | |
| Uno Bambino | bay | f | 1980 | Yankee Bambino | Oak Grove Lady | American Trotter | USA | |
| Unoza | d.-bay | f | 1986 | French Trotter | ||||
| 05131 Untsiya | chestnut | f | 1934 | 01154 Burnyy | 02559 Udal | Trotter | Elanskiy k.z. | |
| 028514 Untsiya | bay | f | 2013 | 012138(А) Nuke it Freddie | 026551 Uverennaia | Trotter | Eskov S.L., g. Belgorod | |
| Untsya | d.-bay | f | 2019 | 012210(Ф) Okapi de Clerlande | 028409(Ф) Una d'Amos | French Trotter | Shokhin Stanislav Vasilevich, Omskaya oblast | |
| Unylaia Pora | grey | f | 1972 | 08504 Prokaznik | 015283 Uraniya | Trotter | OKZ VNIIK |