When moldy treats are recalled the GI tract seems to be the things companies warn about.
Here is the ASPCA lust:
Foods That Are Hazardous to Dogs | ASPCA
Scroll down to moldy foods.
It was probably benign, but my concern is that we can't say that for sure.
What I am going to say won't be popular. but I'll say it tor the pups.
These companies with equipment to dry out treats properly still have problems getting it right. This is why treats made at home and sold online aren't fed to my pups. Uf a comoany can't always get it right I doubt a person using a home oven dan consistently either. We don't buy no name treats and such. Too risky.