Health Risks
In the 1980's, bone meal was identified as a vector for Bovine Spongiform Encephalopathy (BSE, or "mad cow disease") among livestock. Bone meal produced in the 1970's from the corpses of sheep bearing scrapie may have caused BSE in cattle when it was fed to them, but the pathogen very rarely crosses species, so it is more likely to have spread from cattle bone meal. The type of processing can determine if the infectious agent would be passed on. Proper heat control can reduce/eliminate the chance of BSE, as well as salmonella, would be transferred to any other livestock.
Read more about this topic: Bone Meal
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