In spite of a growing body of research, shelters remain steadfast in the “spay and neuter everything” mantra. Sarah Zhang has summarized information that suggests, to DVMs, that when done in some large breeds when they are young, spaying and neutering are linked to obesity and potential cancers later in life.
. . . when to spay or neuter should be a case-by-case decision, even for dogs adopted out of shelters.” – Benjamin Hart
Source: The Atlantic, July 22, 2019. Link. The American Veterinary Medical Association (AVMA) now says in a guide for veterinarians, “There is no single recommendation that would be appropriate for all dogs.” < link >
As time has gone on, vets are starting to question the wisdom.” Missy Simpson, DVM, PhD
INSIGHTS: This is another conundrum for animal health pros as they advise pet owners about sterilization.