Nodular lesions in the absence of Oesophagostomum columbianum

Authors: Clark RG, Mason PC, Fennessy PF
Publication: New Zealand Veterinary Journal, Volume 26, Issue 1-2, pp 33, Jan 1978
Publisher: Taylor and Francis

Animal type: Livestock, Production animal, Ruminant, Sheep
Subject Terms: Abdomen, Alimentary system/gastroenterology, Nematode, Parasites - internal
Article class: Correspondence

---

Abstract: Nodular lesions in the large intestine of sheep are generally associated with Oesophagostomum columbianum. We report here the finding of nodular lesions in the mucosa and submucosa of the caecum and colon of seven-month-old lambs, in the absence of Oe. columbianum. The lesions were seen during necropsy of 36 lambs involved in an experiment designed to investigate the effects of treating pasture with fungicide (Benlate and Dithane M45) on the growth rate of lambs grazed at 3 levels of feed allowance. Prior to grazing by the lambs, the pasture was grazed by 15 to 18 month-old sheep. At the start of the experiment in mid-January 1977 the lambs were drenched. The experiment lasted for 90 days…

---