Overberg Research Project. IX. First stage larvae per gram [L1p.g.] of faeces; an efficient method of diagnosing nematode parasites of sheep ante mortem.

Bile enhances the infectivity of third stage larvae of Dictyocaulus filaria.

TITOY, G.A.P. & SCHWAN, E.V. 1994. Bile enhances the infectivity of third stage larvae of Dictyocaulus filaria. Onderstepoort Journal of Veterinary Research, 61:395-396 Incubating metacyclic larvae of Dictyocaulus filaria in ovine bile solution prior to per os infection significantly enhanced their infectivity to sheep. INTRODUCTION Although there are several reports on the effect of bile on th...

Overberg research projects. X. Faecal egg counts in the interpretation of nematode worm burdens in sheep.

Worm egg counts were compared with nematode worm burdens from data collected from greater than 400 sheep killed in experiments on the epidemiology of nematode parasites in the Overberg, in the winter rainfall area of the southern Cape Province. Data were analysed in several ways but no method could be found to accurately estimate the number of nematodes present from the faecal egg count in resp...

Overberg Research Projects. XI. First stage larval reduction test to assess anthelmintic efficacy ante mortem in sheep.

Two field trials, one with suckling Merino ewe lambs and the other with yearling Dohne Merino rams, are described. In these the anthelmintic efficacy of febantel (a benzimidazole), ivermectin, levamisole and morantel are compared, using the 1st stage larval reduction test. The mean natural log (+1 for zero values) of the post treatment larval counts of the treated groups was compared with that ...

The first report of lumbar paralysis in sheep due to nematode larvae infestation in Iran

The recovery of added nematode eggs from horse and sheep faeces by three methods

BACKGROUND Nematode infections in horses are widespread across the world. Increasing levels of anthelmintic resistance, reported worldwide in equine parasites, have led to the creation of programs for the control of nematodes based on faecal egg counts (FEC). To improve nematode egg counting in equine faecal samples and establish whether the matrix of equine faeces or the eggs affect the counts...