I wonder if the horse got the shots Legally, earlier, but his system didn’t clear the metabolites of the drug within the expected withdrawal time.
We had to watch for this when we were milking cows to avoid putting “hot” milk in the tank. Some of the cows took a lot longer than expected to test OK and clear of medication. If we were responsible for a condemned tanker load, we paid for it.
The horse might have been in the same situation.
That was my thought but you expressed the question a lot better than I did......
I wonder if the horse got the shots Legally, earlier, but his system didn’t clear the metabolites of the drug within the expected withdrawal time.
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Is this a somewhat common occurrence? Is this something that could reasonably be expected to be found in other horses that ran that day regardless of where they finished?