Quelles sont les probabilités qu'un lapin offert à un enfant de 9 ans meure avant ses 13 ans ?

Chaque chiffre ci-dessous correspond à ce que la source a rapporté, avec la citation textuelle sur laquelle nous nous sommes appuyés et la méthode de calcul. Cliquez sur un lien pour vérifier directement.

1/3 sources vérifiées de manière indépendante, mot pour mot, par rapport à la source citée

1. [1] Journal of Exotic Pet Medicine (ScienceDirect) — Age at death and cause of death of pet rabbits (Oryctolagus cuniculus) seen at an exotic animal clinic in Tokyo, Japan: a retrospective study of 898 cases (2006–2020) Revue par les pairs

   Age at death and cause of death of pet rabbits (Oryctolagus cuniculus) seen at an exotic animal clinic in Tokyo, Japan: a retrospective study of 898 cases (2006–2020)

   Statistique

   Median age at death of 898 pet rabbits was 7 years (IQR 5–9); 18% lived beyond 9 years

   Extrait

   “"The median age at death was 7 years (interquartile range: 5 to 9 years), and 18% of all rabbits lived beyond 9 years. The main causes of death included neoplasia (n = 223; 24.8%), gastrointestinal disease (n = 135; 15.0%), bacterial abscess (n = 90; 10.0%), urinary disease (n = 85; 9.5%), trauma (n = 44; 4.9%), and cardiac disease (n = 27; 3.0%)." ”

   Données source de

   2022-07-01

   Consulté le

   2026-05-03 · copie archivée

   Calcul

   Median lifespan of 7 years from this peer-reviewed retrospective is the primary anchor for the central estimate. Applying an exponential survival model: λ = ln(2) / 7 ≈ 0.099 per year. P(rabbit dies within 4 years of acquisition) = 1 − e^(−0.099 × 4) = 1 − 0.671 ≈ 0.33. This population (clinic patients in an exotic-animal practice in Tokyo) likely overrepresents rabbits receiving better-than-average care, so 0.33 may be a slight underestimate relative to the average child's pet rabbit. Used as the lower anchor of the central estimate.

   Indépendance

   Drawn from a Japanese exotic-animal clinic's case records (2006–2020); methodologically independent of the UK VetCompass cohort and the House Rabbit Society lifespan guidance.

2. [2] House Rabbit Society — How Long Do Rabbits Live? Vérifié Source de référence

   How Long Do Rabbits Live?

   Statistique

   Indoor house rabbits typically live 8–12 years

   Extrait

   “"Indoor house rabbits typically live 8–12 years, depending on their size, breed, and the quality of care they receive. A well-cared-for house rabbit that has been spayed or neutered early in life has a life expectancy of 8 to 12 years." ”

   Données source de

   2024-01-01

   Consulté le

   2026-05-03 · copie archivée

   Vérification

   Extrait récupéré et confirmé de manière indépendante, mot pour mot, par rapport à la source citée lors de notre audit de vérification.

   Calcul

   Under ideal indoor care (spayed/neutered, optimal diet), median lifespan is approximately 10 years. Applying exponential survival: λ = ln(2)/10 ≈ 0.069 per year. P(dies within 4 years) = 1 − e^(−0.069 × 4) ≈ 0.24. This represents the lower bound of the uncertainty range — best-case indoor care. The 12-year upper end of HRS's range gives λ = 0.058, P(4 years) ≈ 0.21. The 8-year lower end gives λ = 0.087, P(4 years) ≈ 0.30, consistent with the central estimate. Difference between HRS guidance and clinical studies likely reflects selection bias in both directions: HRS population are committed rabbit owners; clinic patients skew toward unwell rabbits.

   Indépendance

   House Rabbit Society is the leading US rabbit welfare organization, drawing on veterinary guidance and member surveys. Methodologically independent of the Japanese and UK academic studies.

3. [3] Veterinary Record / O'Neill et al. (VetCompass Programme) — Morbidity and mortality of domestic rabbits (Oryctolagus cuniculus) under primary veterinary care in England Revue par les pairs

   Morbidity and mortality of domestic rabbits (Oryctolagus cuniculus) under primary veterinary care in England

   Statistique

   Median age at death among 370 rabbits that died during the study was 4.3 years (IQR 2.1–7.0, range 0.1–14.4)

   Extrait

   “"The median age at death of the 370 rabbits that died during the study was 4.3 years (IQR 2.1–7.0, range 0.1–14.4). For males, the median age at death was older (5.2 years, IQR 3.0–8.1, range 0.2–14.4) than for females (3.7 years, IQR 2.0–5.9, range 0.1–11.8)." ”

   Données source de

   2020-01-01

   Consulté le

   2026-05-03 · copie archivée

   Calcul

   The VetCompass UK figure of 4.3 years is the median age at death among rabbits that died during a 1-year observational window (2013) across 107 clinics — it is NOT a cohort survival median. It captures which rabbits were dying at the time of observation, which skews toward younger ages because older rabbits had not yet died. This number should not be read as "median lifespan = 4.3 years." The Japanese retrospective (7-year median) is a more direct measure of lifespan because it follows rabbits through to death. The UK study is included as independent corroboration of mortality patterns and cause-of-death data (flystrike, GI stasis, anorexia) rather than as a lifespan anchor. The UK study also includes outdoor rabbits, who have significantly shorter lifespans than indoor pets.

   Indépendance

   VetCompass draws from primary-care veterinary records across England in 2013; methodologically independent of both the Japanese clinic study and the HRS member-survey data.