Siberian Mouse Veronika Fix Today

| Region | Typical Habitat | |--------|-----------------| | Western Siberia (Yamalo‑Nenets, Khanty‑Mansi) | Tundra grasslands, forest‑steppe margins, human settlements (grain stores, barns) | | Southern Siberia (Altai, Sayan) | Meadowlands, low‑elevation forests, agricultural fields | | Urban & Suburban Areas | Basements, sheds, heated buildings (provides winter refuge) |

Date: 14 April 2026.

| Parameter | Value | |-----------|-------| | | Veronika | | Sex | Female | | Age | 8 months (≈ 2 ½ years in mouse lifespan) | | Weight | 27 g | | Body Condition Score (BCS) | 3/5 (ideal) | | Genetic Lineage | First‑generation descendant of a wild‑caught Siberian male (collected near Novosibirsk, 2022) × laboratory‑bred female (C57BL/6 background) | | Housing | Individually ventilated cage (30 × 20 × 20 cm) with nesting material, running wheel, and a PVC tunnel. Temperature maintained at 20 °C, 50 % humidity. | | Diet | 1 g of high‑energy rodent pellet (18 % protein, 5 % fat) + fresh oat flakes (2 g) + occasional mealworm larvae (0.5 g). Water provided ad libitum via a sipper bottle. | | Health History | - Dewormed at 4 weeks (pyrantel). - Negative for M. pulmonis (PCR test, March 2025). - No ectoparasites observed in the past 6 months. | | Behavioral Observations (last 30 days) | - Exploratory : Frequently investigates new objects; spends ~15 min/day on the running wheel. - Social : Shows mild aggression when a novel mouse is introduced (biting, tail‑raising). - Nesting : Constructs a deep, well‑insulated nest each evening; uses up to 4 g of shredded paper per nest. - Feeding : Consumes full daily ration; occasional hoarding behavior observed. | | Reproductive Status | Not currently pregnant; estrus cycles observed every 4‑5 days (vaginal cytology). | siberian mouse veronika