HealthNeuter-spay Mandated Spay/Neuter Act Started in Louisiana The ordinance began July 1, 2022, and is set to expire in 2024 By estaff - Published: September 19, 2022 Updated: August 22, 2023 PrintEmailFacebookTwitter The Shreveport, La., City Council voted to require all pet dogs and cats in the city to be spayed or neutered, according to SmartBrief. This was enacted to help control the number of pets who end up in shelters.