For two decades, the campaign has been advancing an important message: Spay/neuter increases pets’ lifespans, reduces problem behaviors, and helps prevent the national tragedy of shelter euthanasia.
"World Spay Day Turns 20,"
Serial - All Animals 2009-15: Vol. 16
, Article 9.
Available at: https://www.wellbeingintlstudiesrepository.org/allanimals/vol16/iss2/9