"Valley Proteins – one of the LARGEST RENDERING companies – told FDA that pentobarbital is an “unavoidable contaminant.”
https://truthaboutpetfood.com/fda-warning-letter-alerts-us- to-more-pentobarbital-in-pet- food/
"Valley Proteins – one of the LARGEST RENDERING companies – told FDA that pentobarbital is an “unavoidable contaminant.”
https://truthaboutpetfood.com/fda-warning-letter-alerts-us- to-more-pentobarbital-in-pet- food/