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Do routine, elective gonadectomies really increase dogs’ lifespan?

11 Apr 2023 21:19 | Anonymous

Methodology of studies should be carefully assessed before accepting the association between being gonadectomized and lifespan reflects a causal relationship

April 11, 2023 on https://www.veterinarypracticenews.com

By Martin L. Whitehead, BSc, PhD, BVSc, CertSAM, MRCVS

A Google search shows many veterinary and animal-welfare websites claim neutering prolongs the lifespan of male and female dogs. Certainly, many studies1-10 have reported a consistent association between canines being gonadectomized and longer average lifespan—several months to two years longer in females, and none to over a year longer in males.

However, the methodology of these studies should be carefully assessed before accepting that the association between being gonadectomized and lifespan reflects a causal relationship (i.e. that neutering really does prolong lifespan).

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