serum samples obtained from feeder calves before and after entry into the market system ( days 0 to 7 ) were assayed for antibodies to pasteurella hamolytica biotype a , serotype 1 capsular polysaccharide ( cps ) and lipopolysaccharide/outer membrane protein ( lpsp ) by isotype in a kinetic-augmented , antigen-capture elisa .
C0003241
antibodies
C0021017
isotype