id	keyword
eajbcs-993	mastitis
eajbcs-993	dairy
eajbcs-993	cows
eajbcs-993	prevalence
eajbcs-993	study
eajbcs-993	et al
eajbcs-993	aureus
eajbcs-993	subclinical
eajbcs-993	factors
eajbcs-993	ethiopia
eajbcs-993	risk
eajbcs-993	milk