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Do Not Let Animals Suffer and Die in Transport Vehicles

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Sponsor: The Animal Rescue Site

Millions of companion animals are shipped across the U.S. each year with no enforceable rules protecting them from deadly heat or cold.

Several young pink pigs are crowded together inside a rusty metal cage with teal rope ties.

Every year, millions of companion animals are loaded into trucks, planes, and cargo holds and shipped across the United States. For too many of them, that journey ends in suffering or death — not from accidents, but from a regulatory gap that leaves carriers free to set their own standards for temperature and ventilation. In other words, the conditions that determine whether an animal lives or dies are largely ungoverned.

The Rules That Exist Are Not Enough

USDA APHIS maintains some guidelines for pets transported by air cargo — crate dimensions, documentation requirements, handling procedures — but meaningful thermal and ventilation standards are vague at best.4 Ground transport falls into an even wider void. Without enforceable minimums across all modes of commercial transport, carriers make their own calls on conditions that are literally life or death.

Heat Kills. Cold Kills. Both Are Happening.

This is not a theoretical risk. During the record-breaking summer of 2025 in the United Kingdom, livestock heat deaths during transport doubled — a pattern tied directly to climate change pushing temperatures beyond what unregulated systems can handle.3 Animals packed into poorly ventilated vehicles overheat, suffer organ failure, and die before anyone realizes something has gone wrong.

Cold is just as lethal. A recent case ended in a historic cruelty conviction after pigs froze to death aboard a transport truck.2 That ruling was rare. The tragedy it documented was not. A conviction after the fact does nothing for the animals who died — it is a record of failure, not a form of protection.

Animals in Transit Are Already Vulnerable

Transport stress compounds the danger. Animals in transit experience elevated stress hormones, suppressed immune function, and measurably reduced tolerance for temperature extremes — all before environmental conditions even become a factor.1 A frightened, physiologically stressed animal has far less resilience to heat or cold. Without regulated airflow and temperature controls, every additional mile of the journey increases the odds against survival.

Climate Change Is Narrowing the Margin for Error

Extreme weather events are more frequent and more severe than they once were. Standards designed for average conditions are failing animals in an era defined by extremes.3 What was once a manageable risk has become a pattern with a body count — and the trend is moving in the wrong direction.

USDA APHIS Can Fix This

USDA APHIS has the authority to establish enforceable minimum temperature and ventilation requirements for commercial companion animal transport across all modes — truck, air, and cargo. Other countries have begun moving in this direction. The United States has not.4

The animals loaded into these vehicles cannot open a window, alert a driver, or wait for better conditions. They depend entirely on the rules set before their journey begins.

Sign the petition to urge the Administrator of USDA APHIS to establish mandatory temperature and ventilation standards for commercial companion animal transport — and give every animal in transit a fighting chance to arrive alive.

The Petition

To the Administrator, USDA Animal and Plant Health Inspection Service,

Millions of companion animals are transported commercially across the United States every year — by truck, by plane, and by cargo hold. For many of them, that journey ends in preventable suffering or death, not because of accidents or negligence in the traditional sense, but because no enforceable minimum standards exist for the temperature and ventilation conditions in which they travel.

The regulatory gap is real and well-documented. While USDA APHIS maintains some guidelines for pets shipped by air cargo — covering crates, paperwork, and handling procedures — the rules around thermal safety and airflow remain vague and largely unenforceable. Ground transport falls into an even deeper void. In practice, this means carriers are left to make their own determinations about conditions that are literally life and death for the animals in their care.

The consequences are not hypothetical. During the record hot summer of 2025 in the United Kingdom, heat-related animal deaths during transport doubled — a direct result of climate change pushing temperatures beyond what unregulated transport systems can safely handle. Here in the United States, a recent case resulted in a historic cruelty conviction after pigs froze to death aboard a transport truck. A conviction after the fact is not protection. It is a record of failure.

Physiology makes this worse. Animals in transit are already under significant stress. Their bodies are flooded with stress hormones, their immune systems are suppressed, and their capacity to tolerate temperature extremes is measurably reduced even before environmental conditions become a factor. Without regulated airflow and temperature controls, every mile of a journey increases their vulnerability.

USDA APHIS has the authority to change this. The agency can establish clear, enforceable minimum requirements for temperature ranges and ventilation standards in commercial companion animal transport — across all modes. Other nations have begun moving in this direction. The United States has not.

The animals loaded into these vehicles cannot open a window or signal for help. They depend entirely on the rules established before they ever begin the journey.

I urge you to use USDA APHIS's existing authority to implement mandatory temperature and ventilation standards for commercial companion animal transport, because doing so will ensure a safer, more humane future for animals and the people who love them.

Sincerely,