A few years ago, proponents of grass-fed beef brushed off the E. coli threat, saying that grass-fed cows with natural digestive pH levels are not carriers of hardy O157:H7. This no longer appears to be the case.
A few years ago, proponents of grass-fed beef brushed off the E. coli threat, saying that grass-fed cows with natural digestive pH levels are not carriers of hardy O157:H7. This no longer appears to be the case.