OWNER BEWARE: USDA JUST GAVE WALKING HORSE OWNERS A REASON TO START ASKING THEIR TRAINERS SOME HARD QUESTIONS
The July 1 USDA letter isn’t merely about testing. It is about information—and horse owners need to make certain they are getting all of it.
By Tommy Williams
WalkingHorseChat.com
There is an old arrangement in the Tennessee Walking Horse business that has survived for generations.
The owner owns the horse.
The owner pays the training bill.
The owner pays the entry fees, hauling, shoeing, veterinary bills and everything else that comes with putting a show horse through the gate.
But the trainer usually possesses something the owner does not:
The horse.
And with possession comes information.
The trainer sees the horse every morning. The trainer knows what went on in the barn. The trainer knows what was put on the horse. The trainer knows what medications were administered. The trainer knows what happened at inspection. The trainer knows whether an inspector spent ten seconds looking at something or ten minutes.
And quite often, the owner knows only what the trainer chooses to tell him.
That distinction became considerably more important on July 1, 2026.
USDA’s Animal and Plant Health Inspection Service sent an open letter to horse-show management, Horse Industry Organizations, Designated Qualified Persons, owners, trainers, exhibitors and custodians announcing a new information-gathering program involving Tennessee Walking Horses and racking horses.
Every owner of a show horse needs to read that letter.
Not the trainer’s interpretation of it.
Not what somebody at the barn says it means.
Not what somebody posts on Facebook.
Read the letter.
Because USDA is preparing to look for considerably more than whether a horse reacts during a traditional inspection.
USDA says it is beginning an information-gathering program using blood samples and pastern swabs to determine the prevalence and types of prohibited substances appearing in Tennessee Walking Horses and racking horses at Horse Protection Act-covered events.
And the list of substances USDA intends to look for ought to get every owner’s attention.
This Is Bigger Than the Inspection Barn
For decades, owners have tended to think about Horse Protection Act inspection in relatively simple terms:
Did he pass?
Did he show?
Did he get turned down?
That is no longer enough information for an owner.
According to USDA’s July 1 letter, the agency and the Tennessee Walking Horse Breeders Foundation jointly commissioned a National Academy of Sciences study in 2021. Among its recommendations were pastern swabbing for prohibited substances and blood collection for medications capable of altering a horse’s pain response during inspection.
USDA is now beginning to implement those recommendations through an initial information-gathering effort.
That distinction matters.
USDA says this initial scoping project will not collect personally identifiable information concerning the horse, owner, custodian, rider or other associated person. USDA says it intends to release aggregate findings from each event rather than individual identities.
So nobody should misrepresent this letter by claiming USDA announced that every positive sample collected during this particular project automatically becomes a public accusation against an individual owner or trainer.
That isn’t what the letter says.
But an owner would be foolish to dismiss the program because of that.
The more important question is what USDA is trying to learn.
USDA wants to know what substances are actually present in these horses.
And it intends to use laboratory science to find out.
Your Horse May Be Selected Even When Nobody Has Accused Anybody of Anything
This may be one of the most important pieces of the letter for owners.
USDA says it has contracted with the United States Equestrian Federation to provide experienced veterinary personnel to collect blood.
The horses aren’t necessarily selected because an inspector already believes something improper occurred.
According to the letter, USEF will sample randomly selected horses as well as horses that USDA personnel or DQPs identify as concerning based upon behavior.
That means an owner needs to understand something before arriving at the show:
Your horse could be sampled simply because your horse was selected.
That is important because an owner should not have to hear about this three days later through somebody else.
If USDA takes three vials of blood from a horse you own, shouldn’t you know?
If USDA swabs both front pasterns of a horse you own, shouldn’t you know?
If your horse was specifically selected because USDA personnel or a DQP considered its behavior concerning, shouldn’t you know that too?
Those aren’t accusations.
They are facts concerning your property.
And an owner has every reason to expect those facts to be communicated promptly and accurately.
Three Vials of Blood
USDA’s letter is remarkably specific.
A veterinarian independently contracted by USEF, assisted by a USEF technician, will collect three vials of blood per selected horse.
General information about the sample will also be recorded—for example, whether it was taken before or after showing and whether the horse was padded or flat-shod.
Those samples will then be sent to Industrial Laboratories, which USDA identifies as the independent laboratory USEF uses for other equine competitions.
And what are they looking for?
This is where every owner needs to quit skimming and start reading.
The blood target list includes substances such as acepromazine, benzocaine, benzodiazepines, bupivacaine, butorphanol, capsaicin, carprofen, codeine, diazepam, detomidine, fluoxetine, gabapentin, ketamine, lidocaine, meloxicam, mepivacaine, methadone, morphine, phenobarbital, procaine, promazine, reserpine, tramadol, trazodone, xylazine and numerous others.
Some of those names will be familiar to veterinarians and experienced horsemen.
Others won’t.
But owners don’t need pharmacology degrees to understand the fundamental point:
USDA is looking for substances that may tell considerably more about a horse than somebody can determine by simply watching him walk through inspection.
That changes the owner’s responsibility to himself.
The question cannot merely be:
“Did my horse pass?”
The questions now need to include:
What has my horse been given?
Who authorized it?
Why was it given?
When was it administered?
Who administered it?
Was it prescribed by a veterinarian?
Is there a treatment record?
And perhaps most importantly:
Could anything administered to my horse appear on USDA’s target list?
Then There Are the Pastern Swabs
USDA inspectors also intend to swab both front pasterns using a standardized collection method.
Those samples will likewise be sent to Industrial Laboratories.
The target list for those swabs is extensive.
It includes substances and compounds such as mustard oil, benzocaine, camphor, capsaicin, capsicum oleoresin, copper sulfate, dexamethasone, diclofenac, DMSO, diesel fuel, gasoline, hydrocortisone, iodine, kerosene, lidocaine, menthol, methyl salicylate, mineral spirits, phenol, phenylbutazone, salicylic acid, sulfur, turpentine, xylenes and many others.
Read some of those names again.
Diesel fuel.
Gasoline.
Kerosene.
Mineral spirits.
Turpentine.
And alongside those obvious attention-getters are compounds that may appear in products an owner might not immediately recognize by their chemical names.
That is precisely why owners need to know what is being used around their horses.
An owner should no longer be satisfied with:
“We just rubbed a little something on him.”
What something?
What is the product called?
What are its ingredients?
Who put it on?
When?
Why?
Was it placed on the pastern?
Was it prescribed?
Was it therapeutic?
Could it contain a substance appearing on USDA’s target list?
Those aren’t insulting questions.
They are ownership questions.
“Don’t Worry About It” Isn’t Good Enough Anymore
Most owners employ trainers because trainers know more about preparing and showing horses than they do.
That’s the point of hiring a professional.
Trust is part of the relationship.
But professional trust does not require deliberate ignorance.
There is an enormous difference between telling a professional, “I trust your judgment,” and telling him, “I don’t want to know what happens to my horse.”
The latter is dangerous.
And USDA’s letter makes willful ignorance increasingly indefensible.
If a trainer says your horse was inspected and everything was fine, ask whether anything unusual occurred.
If your horse was swabbed, ask why and when.
If blood was collected, ask whether selection appeared random or resulted from a concern about the horse’s behavior.
If there was an inspection issue, ask exactly what happened.
Don’t settle for:
“USDA was just messing with everybody.”
That tells you nothing.
Ask:
What did the inspector observe?
What did the horse do?
Was the horse re-examined?
Was anything documented?
Was any sample taken?
Was anybody told that the horse was considered concerning?
An owner has every reason to want the complete account.
Here’s the Part the Owner-Trainer Relationship Doesn’t Like to Discuss
There are excellent trainers in this industry.
There are trainers who would never intentionally conceal material information from an owner.
There are trainers who keep meticulous veterinary records, communicate immediately when something happens and treat somebody else’s horse as carefully as their own.
This editorial isn’t an accusation against them.
In fact, those trainers ought to welcome informed owners.
But let’s quit pretending every owner-trainer relationship operates that way.
It doesn’t.
Horse businesses are businesses.
A successful horse keeps paying a training bill.
A winning horse attracts customers.
A horse capable of winning at the Celebration may be worth substantial money.
And bad news about that horse can threaten all of it.
That creates an inherent potential conflict of interest.
Suppose something concerning happens during inspection.
Who has the greatest financial incentive to minimize it?
Suppose the horse receives a medication that an owner might question.
Who knows about it first?
Suppose something has been applied to the horse that the owner never authorized.
Who is most likely to know?
Usually the person who has physical custody of the horse.
That does not mean trainers are hiding things.
It means owners should establish a system where nothing important can conveniently remain hidden.
“But He Passed” May Become the Most Misleading Four Words in the Barn
A horse passing an inspection does not necessarily answer every question an owner should have.
USDA itself has explained that modern diagnostic methods are intended to provide objective and scientific information that may supplement physical examination.
The July 1 letter specifically discusses testing for medications that may alter pain response during inspection.
Think about the significance of that.
A traditional inspection asks, in substantial part, what the horse presents to an inspector at that moment.
Laboratory testing can ask another question:
What is in or on the horse?
Those aren’t identical questions.
Consequently, owners need to stop treating “he passed” as the end of the conversation.
Passing through inspection tells you the horse got through inspection.
It does not, by itself, provide you a complete medication history.
It doesn’t tell you every topical product that touched the horse.
It doesn’t tell you whether blood was drawn.
It doesn’t tell you whether pasterns were swabbed.
It doesn’t tell you whether USDA personnel noticed behavior that concerned them.
And it certainly doesn’t tell you whether your trainer has told you everything he knows.
Owners Need Their Own Horse File
This may be the single most practical recommendation WalkingHorseChat can give owners.
Every serious show-horse owner should maintain a record independent of the trainer’s barn records.
It doesn’t have to be complicated.
For every horse, maintain:
Veterinary treatments.
Prescription medications.
Injections.
Oral medications.
Topical products.
Pastern treatments.
Dates administered.
Dosages where applicable.
Person administering treatment.
Veterinarian authorizing treatment.
Pre-show inspection information.
Post-show inspection information.
Blood collections.
Swab collections.
Any DQP or USDA concerns.
Any written inspection documentation.
And owners should consider making their expectations clear:
If anything unusual happens during inspection involving my horse, I expect to know that day.
Not after the Celebration.
Not when somebody else tells me.
Not when rumors start.
That day.
Ask Your Trainer This Before the Celebration
With the Celebration approaching, owners have an opportunity to eliminate ambiguity before unloading a horse in Shelbyville.
Have the conversation now.
Ask your trainer:
“If USDA selects my horse for blood or swab testing, will you tell me immediately?”
Then:
“If an inspector identifies any concern whatsoever involving my horse, will you tell me exactly what was said?”
Then:
“Can you give me a complete list of medications and topical products being used on my horse?”
And finally:
“If USDA asks what has been administered to my horse, are you comfortable with me seeing exactly the same information you provide them?”
The answers ought to be easy.
If those questions make somebody angry, perhaps the questions weren’t the problem.
Don’t Confuse USDA’s Current Scoping Program With an Individual Prosecution
There is another side to this that WalkingHorseChat believes is equally important.
Owners shouldn’t be frightened by misinformation.
USDA explicitly says the current information-gathering effort described in the July 1 letter will not collect personally identifiable information associated with the samples.
The agency says it intends to publish aggregate findings from each event.
That means we should not turn every blood draw into gossip about somebody being “caught.”
Nor should we treat every swab as proof that USDA suspects that particular trainer of soring.
Random selection is specifically part of the program.
Facts matter both ways.
WalkingHorseChat will criticize government overreach when evidence supports that criticism.
But we should also criticize industry misinformation when evidence supports that.
The letter is public.
Read it.
What Happens When USDA Publishes the Numbers?
This could become the most consequential part of the entire exercise.
USDA says it will publicly release aggregate findings from the blood and swab analyses.
When that happens, the Tennessee Walking Horse industry should pay very close attention.
What percentage of sampled horses contain target substances?
Which substances appear?
Are results different between padded and flat-shod horses?
Are there differences between pre-show and post-show samples?
Do certain categories of substances appear repeatedly?
Does the data support long-standing allegations about the industry?
Or does it contradict them?
Those results could matter far beyond a single horse show.
They could influence public perception.
They could influence future USDA policy.
They could influence litigation.
They could influence congressional arguments surrounding the Horse Protection Act.
And they could influence the credibility of both USDA and the Tennessee Walking Horse industry.
If USDA is going to use science, then the industry should demand good science.
Proper sampling.
Proper chain of custody.
Validated analytical methods.
Appropriate detection thresholds.
Accurate interpretation.
Transparency about what a laboratory finding actually means.
And distinctions between legitimate therapeutic use, environmental contamination and substances associated with prohibited practices where those distinctions are scientifically warranted.
A laboratory result without context can be misleading.
But hiding from laboratory testing isn’t an answer either.
The industry’s strongest position is demanding accurate science and complete transparency—from everybody.
That includes USDA.
That includes HIOs.
That includes inspectors.
That includes veterinarians.
And yes, that includes trainers.
The Owner Is No Longer Entitled to Be the Last Person to Know
For too long, some owners have treated the training barn like a black box.
Money goes in.
Horse comes out.
Owner sits in the box.
Trainer handles everything else.
That arrangement becomes increasingly risky when federal inspectors are collecting biological and chemical information from horses.
You own the horse.
Start acting like the owner.
Know what your horse receives.
Know what is placed on him.
Know who treated him.
Know why.
Know what happened at inspection.
Know whether he was swabbed.
Know whether blood was collected.
Know whether an inspector expressed concern.
And if something significant happens involving your horse, don’t accept finding out from the rail, Facebook, the rumor mill or WalkingHorseChat.
You should have already heard it from the person you pay to take care of your horse.
Because the biggest lesson in USDA’s July 1 letter may not ultimately be about blood.
It may not be about pastern swabs.
It may not even be about the laboratory.
It may be about information.
For generations, the trainer possessed most of it.
The owner paid for almost everything.
USDA’s new testing initiative gives owners a very good reason to rebalance that relationship.
Trust your trainer if he’s earned your trust.
Support him.
Pay him.
Let him do his job.
But never confuse trust with surrendering your right to know what is happening to an animal whose registration papers have your name written on them.
Because when somebody takes three tubes of blood out of your horse, swabs both of his pasterns, questions his behavior during an inspection, documents a concern or finds something that could become important later, there is one person who should never be left standing around the barn saying:
“Nobody told me.”
That person is the owner.
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