Les
dangers de la castration
Consentement éclairé
Dr Joël Dehasse |
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La
castration, = gonadectomie = ablation chirurgicale des gonades (testicules,
ovaires), est banalisée depuis des dizaines d'années. Elle est réalisée pour
empêcher la reproduction (=stérilisation). Elle est souvent réalisée pour
prévenir des affections (cancer mammaire) et modifier des comportements
sexuels gênants (chevauchement sexuel, marquage urinaire, copulation). |
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Toutes les informations ci-dessous ont été publiées, avec les références des articles scientifiques, dans le livre numérique (Kindle) : La stérilisation du chien. Pour ou contre ? Et disponible gratuitement ici en pdf. |
Effets comportementaux de la gonadectomie |
|
Mise à jour: 1
avril 2020 18
mai 2023 |
Les
% sont des données statistiques. |
Effets organiques / physiopathologiques de la gonadectomie |
|
Les % sont des données statistiques. |
|
Pourquoi la gonadectomie cause-t-elle autant de pathologies ? Par exemple : importance des oestrogène pour la mémorisation,
modification de l'humeur et des émotions par les hormones sexuelles. Par exemple, l’importance de la testostérone pour l’activité de
l’enzyme déiodinase-1 qui convertit T4 en T3 au niveau tissulaire, entraînant,
par manque de testostérone, une hypothyroïdie
fonctionnelle. |
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Alternatives à la gonadectomie |
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Réduction
/ suppression des comportements sexuels :
|
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Stérilisation
chirurgicale, avec maintien des hormones sexuelles :
|
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Gonadectomie chirurgicale Références des articles
scientifiques Pour les lecteurs qui imagineraient
les données statistiques non fondées, voici les références des articles
scientifiques, mises dans l’ordre d’apparition dans mon livre : La
stérilisation du chien : pour ou contre ? Effets organiques de la
castration Silvan Roland Urfer von Burgistein. Lifespan and Causes of Death in the Irish Wolfhound: Medical, Genetical and Ethical Aspects. Inaugural Dissertation. University Bern. 2007, p.57, 58, 93. (PDF) Zink C., Farhoody P. et alii. Evaluation of the risk and age of onset of cancer and behavioural disorders in gonadectomized Vizslas. JAVMA vol.244, n°3, Feb. 1, 2014, pp. 309-319. Résumé. PDF. Waters David, Kengeri Seema, Clever Beth, Booth Julie, Maras Aimee, Schlittler Deborah, Hayek Michael. Exploring mechanisms of sex differences in longevity: lifetime ovary exposure and exceptional longevity in dogs. Aging Cell. Vol.8, issue 6, p.752-755, Dec.2009. Résumé. Waters David. A healthier respect for ovaries. Ovaries and Longevity. http://www.gpmcf.org/respectovaries.html Waters D., Kengeri S., Maras A., Chiang E. Probing the perils of dichotomous binning:How categorizing female dogs as spayed or intact can misinform our assumptions about the lifelong health consequences of ovariohysterectomy. Theriogenology; vo.76, Issue 8, Nov.2011, p.1496-1500. Résumé. PDF. Adams V., Watson P., Carmichael S., Gerry S., Penell J., Morgan D. Exceptional longevity and potential determinants of successful ageing in a cohort of 39 Labrador retrievers: results of a prospective longitudinal study. Acta Veterinaria Scandinavica 2016 58:29. Résumé. PDF. Bermingham E., Thomas D, et
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PDF. |
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© Dr Joël Dehasse - www.joeldehasse.com - 01 juillet 2019, mise à jour: avril 2020, mai 2023 |