New York Times indepth story on Ammonia in Beef
http://www.nytimes.com/2009/12/31/us/31meat.html
Chicken unfit for some dog food being fed to your children
Old-hen meat fed to pets and schoolkids (USA Today)
http://www.usatoday.com/news/education/2009-12-08-hen-meat-school-lunch_N.htm?loc=interstitialskip
Prepare to Suffer, it’s becoming a way of life for many American’s, but I fought back and regained my health ... There no since trying to explain it ...
http://www.esnips.com/doc/ca2cfab1-fedc-4ed5-b430-7b9eb45c8f6a
Mr. Roth eventually settled on ammonia, which had been shown to suppress spoilage. Meat is sent through pipes where it is exposed to ammonia gas, and then flash frozen and compressed all steps that help kill pathogens, company research found.It seems the writer wanted his shock value maximized, so "inject" seems to be the way to go.