Hello All !
I came across these on the web, not sure if it has been posted before or not . Have not read it through but it seems to contain useful information.
Let me know your thoughts
Knifeman
http://www.fao.org/docrep/010/ai407e/AI407E00.htmhttp:
http://www.inspection.gc.ca/food/meat-a ... chap=0#c10