This publication is the Proceedings of a workshop held at the Royal
Veterinary and Agricultural University in Copenhagen, Denmark on 4th -
6th February, 1980, sponsored by the Commission of the EUropean
Communities (CEO) as a part of the programme of coordination of
agricultural research in the field of animal pathology. The CEO wishes
to thank those who took responsibility for the organisation of the
workshop, those who presented the papers, and all participants. VII
CONTENTS SESSION I METHODOLOGY I MONITORING PASTURE INFECTIVITY AND
PASTURE CONTAMINATION WITH INFECTIVE STAGES OF Dictyocaulus viviparus 3
R. J. J[rgensen THE CORRECT HANDLING OF FAECAL SAMPLES USED FOR
EXAMINATION OF Dictyocaulus viviparus LARVAE 11 H. J. W. M. Cremers SOME
EFFECTS OF STORAGE ON THE RECOVERY OF Dictyocaulus viviparus LARVAE FROM
FAECES 17 M. T. Fox EXPERIENCES WITH OUR TECHNIQUES FOR THE RECOVERY OF
NEMATODE LARVAE FROM HERBAGE H. -J. Burger 25 A TECHNIQUE FOR THE
RECOVERY OF INFECTIVE TRICHOSTRONGYLE LARVAE FROM SOIL 31 K. Bairden, J.
L. Duncan and J. Armour SESSION I METHODOLOGY II A MODIFIED AND SIMPLE
MCMASTER TECHNIQUE 45 Sv. Aa. Henriksen COMPARISON OF TECHNIQUES FOR
ASSESSMENT OF THE CONTAMINATION OF PASTURE HERBAGE WITH INFECTIVE
NEMATODE LARVAE 51 J. -P. Raynaud and L. Gruner RECOVERY OF Ostertagia
FROM THE BOVINE ABOMASAL MUCOSA BY IMMERSION IN WARM NORMAL SALINE 69 N.
E. Downey CONTROLLED/CRITICAL TESTS IN THE EVALUATION OF ANTHELMINTIC
ACTIVITY 75 D. D{;.