Symptoms include acute depression, watery diarrhoea and a high mortality rate) or chronic weight loss. Post-mortem findings include dehydration, oedema of the intestinal wall, necrosis of the colonic and caecal mucosa, and occasionally many necrotic foci in the liver. | Symptoms include acute depression, watery diarrhoea and a high mortality rate) or chronic weight loss. Post-mortem findings include dehydration, oedema of the intestinal wall, necrosis of the colonic and caecal mucosa, and occasionally many necrotic foci in the liver. |