Trichostronglye worm infection in cattle: Further studies on problems of diagnosis and on seasonal patterns of occurrence

Abstract

Extract

The results of recent New Zealand studies (Brunsdon, 1968, 1969) have indicated the potential pathogenicity of trichostrongyle worm infection in calves reared on pasture underdairy-type management and have confirmed overseas findings regarding difficulties associated with- the- diagnosis of trichostrongyle disease in general and of the various syndromes of ostertagiasis in particular (Anderson et al., 1965; Michel, 1968).