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Rep. Brian Mast (R-FL-21)

Tenure: 115th–119th Congresses
Years of Service: 2017–Present

Read our endorsement letter here.

Notable Actions
119th Congress

✅ Cosponsor of the Fighting Inhumane Gambling and High-Risk Trafficking (FIGHT) Act, H.R. 3946, to strengthen federal enforcement against animal fighting and related criminal activity.

✅ Voted “Aye” on the Van Drew–Titus Amendment (Recorded Vote No. 98-pg. 46) to H.R. 8870 (Transportation and Infrastructure Committee Vote), to incorporate key provisions of the Save America’s Forgotten Equines (SAFE) Act into the Build America 250 Act. The bipartisan amendment would permanently prohibit the export of American horses to Canada, Mexico, or other countries for slaughter for human consumption and ban the use of dangerous double-decker trailers to transport horses. The amendment was adopted by a 34–30 vote. An “Aye” vote is the pro-animal position because it advanced legislation to end the slaughter pipeline for American horses.

✅ Supported House passage of the FDA Modernization Act 3.0, H.R. 2821, which passed by voice vote under suspension of the rules on July 20, 2026. The bipartisan legislation directs the FDA to update its regulations to fully implement the 2022 law allowing scientifically valid non-animal methods to be used instead of animal testing in drug development.

❌ Voted “Aye” on H.R. 556, the Protecting Access for Hunters and Anglers Act (House Roll Call Vote 93), to prohibit federal land management agencies from restricting the use of toxic lead ammunition and fishing tackle on public lands and waters to protect wildlife from poisoning. The bill passed the House 215–202. An “Aye” vote is the anti-animal position because it limited the federal government’s ability to restrict toxic lead ammunition and fishing tackle that poison wildlife and contaminate the environment.

❌ Voted “Aye” on H.R. 845, the Pet and Livestock Protection Act (House Roll Call Vote 360), to remove federal Endangered Species Act protections for gray wolves across much of the United States and restricted judicial review of future wolf management decisions. The bill passed the House 211–204. An “Aye” vote is the anti-animal position because it removed Endangered Species Act protections for gray wolves and limited judicial review of future wolf management decisions.

✅ Voted “Nay” on the Riley Moore Amendment to H.R. 7567 (House Roll Call Vote 149), to weaken the Farm Bill’s Greyhound Protection Act provisions by creating a special exemption allowing commercial greyhound racing to continue in West Virginia indefinitely. The House rejected the amendment 187–237. A “Nay” vote is the pro-animal position.

❌ Voted “Aye” on H.R. 7567, the Farm, Food, and National Security Act (House Roll Call Vote 154), to pass the Farm Bill, which included a provision to overturn state laws in California and Massachusetts restricting in-state sales of fresh pork sourced from farms that do not provide minimum space requirements for the housing of pregnant pigs. The bill passed the House 224–200. An “Aye” vote is the anti-animal position because it supported overturning state farm animal welfare laws that require more humane housing standards for pregnant pigs.

❌ Voted “Aye” on the Biggs Amendment to H.R. 3838 (House Roll Call Vote 259), to exempt defense-related activities from the requirements of the Endangered Species Act, eliminating protections for endangered and threatened species and their critical habitat on military lands and during defense operations. The House rejected the amendment 200–228. An “Aye” vote is the anti-animal position because it sought to weaken Endangered Species Act protections for threatened and endangered wildlife on military lands.

❌ Voted “Aye” on the Greene Amendment to H.R. 3838 (House Roll Call Vote 254), to prohibit the Department of Defense from using FY2026 funds for the research, development, procurement, or promotion of cell-cultured meat, an emerging alternative to conventional slaughter-based meat production. The House rejected the amendment 194–236, with 1 voting present. An “Aye” vote is the anti-animal position because it sought to block federal support for the development of slaughter-free, cell-cultured meat alternatives that could reduce the number of animals raised and killed for food.

118th Congress

✅ Cosponsor of the Fighting Inhumane Gambling and High-Risk Trafficking (FIGHT) Act, H.R. 2742, to strengthen federal enforcement against animal fighting and related criminal activity.

✅ Cosponsor of Violet’s Law, H.R. 1465, to provide a second chance for dogs, cats, rabbits, guinea pigs, hamsters, and nonhuman primates used in federally funded research by requiring facilities to pursue adoption or sanctuary placement whenever feasible.

✅ Cosponsor of the Puppy Protection Act, H.R. 1624, bipartisan legislation to strengthen federal standards of care for dogs kept by commercial breeders by improving requirements for housing, veterinary care, exercise, socialization, and humane breeding practices.

❌ Voted “Aye” on H.R. 764 (House Roll Call Vote 169), legislation to remove federal protections for gray wolves under the Endangered Species Act across most of the United States and return management authority to the states. Wildlife advocates warned that the bill would undermine science-based wildlife management and threaten the long-term recovery of gray wolf populations. The House passed the bill 209–205. An “Aye” vote is the anti-animal position because it removed Endangered Species Act protections for gray wolves across much of the United States, despite concerns that doing so would undermine their long-term recovery and science-based wildlife management.

❌ Voted “Aye” on H.R. 615 (House Roll Call Vote 167), legislation to bar the Department of the Interior and the Department of Agriculture from prohibiting or regulating the use of toxic lead ammunition and fishing tackle on federal lands and waters made available for hunting or fishing. Lead ammunition and tackle poison wildlife, including eagles, loons, condors, and other animals that ingest spent lead fragments or lost fishing gear. The House passed the bill 214–201. An “Aye” vote is the anti-animal position because it blocked federal agencies from restricting toxic lead ammunition and fishing tackle that poison eagles, loons, condors, and other wildlife.

117th Congress

✅ Cosponsor of the FDA Modernization Act, H.R. 2565, bipartisan legislation to end the outdated federal presumption that new drugs must rely on animal testing before human clinical trials. The measure authorized the FDA to accept scientifically valid non-animal testing methods—including organ-on-a-chip technology, cell-based assays, and computer modeling—when appropriate. Core provisions of this legislation were later enacted as part of the FDA Modernization Act 2.0, signed into law in December 2022, marking a landmark reform that advanced more human-relevant research methods while reducing unnecessary animal testing.

✅ Cosponsor of the Animal Freedom from Testing, Experiments, and Research (AFTER) Act, H.R. 5244, to provide a second chance for dogs, cats, rabbits, guinea pigs, hamsters, and nonhuman primates used in federally funded research by requiring facilities to pursue adoption or sanctuary placement whenever feasible.

✅ Cosponsor of the Puppy Protection Act, H.R. 2840, bipartisan legislation to strengthen federal standards of care for dogs kept by commercial breeders by improving requirements for housing, veterinary care, exercise, socialization, and humane breeding practices.

✅ Voted “Aye” on the motion to suspend the rules and pass the Prevent All Soring Tactics (PAST) Act, H.R. 5441 (House Roll Call Vote 478). The bill would strengthen enforcement of the Horse Protection Act and help end the cruel practice of “soring” Tennessee Walking Horses, Racking Horses, and Spotted Saddle Horses. Soring involves intentionally inflicting severe pain on horses’ legs and hooves through caustic chemicals, chains, pressure devices, or other abusive methods to force an exaggerated, high-stepping gait known as the “Big Lick.” The motion was agreed to by a vote of 304–111, exceeding the two-thirds majority required under the suspension of the rules procedure. An “Aye” vote is the pro-animal position.

❌ Voted “Nay” on Big Cat Public Safety Act, H.R. 263 (House Roll Call Vote 415), legislation to end the private possession and commercial breeding of lions, tigers, leopards, cheetahs, jaguars, cougars, and other big cats while prohibiting public contact with these animals. The bill targeted the exploitative cub-petting industry and roadside zoos, where big cats are repeatedly bred, handled, and discarded, while strengthening protections for both animals and public safety. A “Nay” vote is the anti-animal position because it opposed ending the commercial exploitation and private ownership of big cats.

116th Congress

❌ Voted “Nay” on the Big Cat Public Safety Act (House Roll Call Vote 232), legislation to prohibit private ownership and breeding of lions, tigers, and other big cats while restricting public contact with these dangerous wild animals. The bill was designed to curb the exploitation of big cats in roadside zoos and cub-petting operations, improve animal welfare, and enhance public safety by limiting private possession of these species. The House passed the bill 272–114. A “Nay” vote is the anti-animal position because it opposed ending the private ownership, breeding, and commercial exploitation of lions, tigers, and other big cats in roadside zoos and cub-petting operations.

✅ Voted “Aye” on the Stevens Amendment (House Roll Call Vote 373) to the FY2020 Commerce, Justice, Science, and Related Agencies Appropriations Act, allocating $2 million to create an Animal Cruelty section within the Department of Justice. An “Aye” vote is the pro-animal position because it supports stronger federal enforcement of existing animal protection laws.

❌ Voted “Nay” on the Buchanan Amendment (House Roll Call Vote 380) to the FY2020 Interior, Environment, and Related Agencies Appropriations Act, prohibiting the Department of the Interior from issuing import permits for trophies of threatened elephant and lions from Tanzania, Zambia, and Zimbabwe. A “Nay” vote is the anti-animal position because it opposed stronger protections for threatened elephants and lions by allowing the continued import of hunting trophies from those species.

115th Congress

✅ Cosponsor of the Prevent All Soring Tactics (PAST) Act, H.R. 1847, to strengthen enforcement of the Horse Protection Act and help end the cruel practice of “soring” Tennessee Walking Horses, Racking Horses, and Spotted Saddle Horses. Soring involves intentionally inflicting severe pain on horses’ legs and hooves through caustic chemicals, chains, pressure devices, or other abusive methods to force an exaggerated, high-stepping gait known as the “Big Lick.”

❌ Voted “Aye” on H.J. Res. 69, a Congressional Review Act (House Roll Call Vote 98) resolution to overturn an Obama administration rule protecting wildlife on National Wildlife Refuges in Alaska. The rule prohibited controversial predator-control practices, including killing bear cubs and wolf pups in their dens, baiting bears with food to shoot them at close range, and targeting predators solely to increase populations of game animals for hunters. The resolution passed Congress and was signed into law, eliminating these federal wildlife protections. An “Aye” vote is the anti-animal position because it removed safeguards against some of the cruelest predator hunting practices on federal refuge lands.

✅ Voted “Aye” on the Roskam–Blumenauer Amendment (House Roll Call Vote 202), to H.R. 2, the Agriculture and Nutrition Act of 2018, to strengthen the federal animal fighting law by clarifying that its prohibitions apply throughout all U.S. territories. The amendment closed a legal loophole that had allowed organized dogfighting and cockfighting to continue in certain U.S. territories despite being illegal elsewhere in the United States. An “Aye” vote is the pro-animal position because it strengthened federal protections against organized animal fighting.