Understanding Oesophagostomosis: Causes, Symptoms, and Treatment
Oesophagostomosis, also known as nodule worm disease, affects various animals, excluding horses. The disease is caused by Oesophagostomum parasites and can lead to symptoms like anorexia, diarrhea, weight loss, anemia, and death. Learn about the etiology, life cycle, epidemiology, pathogenesis, clinical findings, necropsy findings, and treatment options for Oesophagostomosis in this comprehensive guide.
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Presentation Transcript
Oesophagostomosis Dr. Pallav Shekhar Asstt. Professor Veterinary Medicine UNIT-6
Oesophagostomosis All forms of animal except horses harbour oesophagostomum. It produces disease k/a nodule worm disease or pimply gut or knotty gut
Etiology Sheep and goat O. Columbianum O. venulosum O. asperum O. Radiatum O. Venulosum Cattle O. dentatum O. quadrispinutatum Pig
Life cycle Oesophagostomum spp. Are generally host specific but O. venulosum produces disease both in cattle and sheep.
Life cycle Eggs faces L1 & L2 L3 stage infective Lumen of intestinal wall at the 4th larval stage Nodule formation Larva invade in intestinal wall Ingestion Adult worm Egg laying
Epidemiology Prevalence is highest in warmer temperature or sub tropical climate with summer rainfall.
Pathogenesis Nodule formation in intestine Anorexia Mucoid diarrhoea Loss of wt Anaemia Hypoprotenemia Death
Clinical findings Dark green faces Severe diarrhea in heavy infestation In chronic cases faces semisolid with excess mucous and occasionally blood
Necropsy findings Nodules found at all level of intestine Size of the nodule vary from upto 6mm and may contain green pasty or yellow brown calcified material
Treatment As other nematodes Thiabendazole @ 50mg/kg Albendazole @ 10 mg /kg Tetramisole HCL 15mg/kg
