Strains that cause no symptoms in animals could make persons Ill, and vice versa. If existing in foodstuff, it does not generally impact the style, odor, or overall look in the food stuff. The microorganisms are now living in the intestinal tracts of infected animals and humans. FSIS inspectors https://onelifesocial.com/story5169406/the-basic-principles-of-toxins-botulinum