In cows, salmonellosis infections are most common in those that

in-cows-salmonellosis-infections-are-most-common-in-those-that

In cows, salmonellosis infections are most common in those that have calved within ___________

A. 2 days

B. 10 days

C. 20 days

D. 50 days

This question was addressed to me in semester exam.

Origin of the question is Dairy Facts in section Dairy Laws of Dairy Engineering

The correct option is B. 10 days

To explain I would say: Salmonella spp. infection occurs when a susceptible animal ingests the bacteria. Dairy cattle ingest feed or water that has been contaminated with feces from animals shedding the organism. It is common in those cows which have calved within 10 days.