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Neutering

Exposure

3 papers3 findings

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

  • 2 independent labs in 2 countries
  • Animals3

Outcomes

1

Lifespan

upin dogs1

1 study

  1. Neutering extends lifespan in dogs.

    “Median longevity was significantly longer for crossbreds, females, neutered dogs, and small-sized breeds.”

    Animals

    Factors related to longevity and mortality of dogs in Italy

    Preventive veterinary medicine17 Feb 2024

Associations

2

Lifespan

upin dogs1

1 study

  1. Neutering is associated with lifespan in dogs.

    “Neutering was protective against mortality from urogenital causes (OR: 0.14; CI: 0.02-0.52; p = 0.003) and had a positive effect on longevity.”

    AnimalsBullmastiffs attending veterinary practices in Australia

    The Demography, Longevity and Mortality of Bullmastiffs Attending Veterinary Practices in Australia

    Animals : an open access journal from MDPI26 Nov 2024

Mortality from urogenital causes

downin dogs1OR 0.14

1 study

  1. Neutering is associated with mortality from urogenital causes in dogs (OR 0.14, CI 0.02–0.52).

    “Neutering was protective against mortality from urogenital causes (OR: 0.14; CI: 0.02-0.52; p = 0.003)”

    AnimalsBullmastiffs attending veterinary practices in Australia

    The Demography, Longevity and Mortality of Bullmastiffs Attending Veterinary Practices in Australia

    Animals : an open access journal from MDPI26 Nov 2024

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