| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Uzhimka | f | 2021 | 11748 Jezl | Ustoychivaya | Orlov trotter | Gestut "Zavivalovsky" | ||
| 4726 Uzlovaya | d.-grey | f | 1930 | 658 Piterscik | 1027 Utselevshaya | Orlov trotter | ||
| Uznik | grey | c | 1990 | 10376 Zarok | 17178 Uprugost | Orlov trotter | Zavivalovskii konzavod | |
| Uznik | grey | c | 1974 | 8501 Ispolnitelnyy | 14806 Uprava | Orlov trotter | Khrenovskoy Stud | |
| Uznik | c | 2019 | Izmennik | 22331 Uspeshnaya | Orlov trotter | Kovalev N.I., Volgogradskaya obl. | ||
| Uznik 70 | d.-grey | c | 1989 | 10624 Naftalin | 17180 Utopiya | Orlov trotter | Khrenovskoy Stud | |
| Uznik R.T. | bay | c | 2020 | Zolotoy | 22827 Ustupchivaya | Orlov trotter | "Roshcha" | |
| Uznitsa | grey | f | 1959 | 7518 Zabytyy | 10486 Usmishka | Orlov trotter | Dubrovskiy konzavod | |
| Uznitsa | grey | f | 1981 | 9606 Zabeg | 16229 Undina | Orlov trotter | Khrenovskoy Stud | |
| Uzolla LAG | d.-grey | f | 2022 | Original | Udarnitsa | Orlov trotter | Konezavod OOO "LAG-Servis AGRO" |