MT HB418

Prohibits veterinarians and pharmacists from prescribing, dispensing, or distributing gene-based vaccines for animals in Montana, including mRNA vaccines, modified mRNA vaccines, self-amplifying mRNA vaccines, and DNA vaccines

Bans importation of livestock, poultry, fish, or game animals that have been treated with or exposed to gene-based vaccines, as well as animal semen from vaccinated animals

Establishes a $500 fine per incident for violations, classified as a misdemeanor, with fines deposited into the animal health enterprise fund

Prohibits veterinary retail facilities from dispensing any gene-based vaccines

Cites lack of long-term safety studies on vaccinated animal health, fertility, protein biodistribution, human consumption safety, and vaccine shedding as legislative justification