two hundred and thirty-two cows were assigned alternately to complete dry cow therapy ( infusion in all quarters on the day of drying off ) or selective therapy ( infusion in all quarters if a history of mastitis , california mastitis test score of +2 or +3 in any quarter , or if cell counts from bucket milk samples as determined by the membrane filter-deoxyribonucleic acid procedure were above 500,000 cells/ml ) .
C0087111
therapy
C0184661
procedure