Studies show that once an infected cow has been milked, the next _________ cows milked with the same unit are at risk of contamination.

Studies show that once an infected cow has been milked, the next _________ cows milked with the same unit are at risk of contamination.



a.) two to three

b.) two to five

c.) six to eight

d.) ten to twelve



Answer: c.) six to eight


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