5 pool 3 the remaining lanes contain molecular weight markers fig8 kinetics of the antibody response following vaccination of calves with o ostertagi l4 fractions or adjuvant alone in trial 2 closed squares group 2 1 open squares group 2 2 closed circles group 2 3 open circles group 2 4 open triangles group 2 5 controls fig9 group mean faecal egg counts of vaccinated and control calves in trial 2 closed squares group 2 1 open squares group 2 2 closed circles group 2 3 open circles group 2 4 open triangles group 2 5 controls fig1 group mean worm counts of the calves in trial 2 p lt 0 05 fig1 chromatography and gel profiles of the preparations used as antigens in trial 3 fig1 group mean faecal egg counts of vaccinated and control calves in trial 3 fig1 group mean cumulative faecal egg counts of vaccinated and control calves in trial 3 fig1 mass spectrometry fingerprint analysis of the protective peak 3 fraction used in trial 3 fig1 chromatography and gel profiles of the preparations used as antigens in trial 4 fig1 group mean faecal egg counts of vaccinated and control calves in trial 4 all calves were reared and housed indoors in conditions designed to exclude.