Pathogenicity

PATHOGENECITY

Lesions

  • In acute cases the lesions appear as tiny, discrete yellowish white (or) grayish white pustules which loosely adhere to the mucous membranes and rather resemble a small quantity of curdled milk.
  • In acute cases, the wall of the crop is thickened and covered by a corrugated pseudomembrane of yellowish grey necrotic material giving the characteristic ‘turky-towelling’ appearance.
  • In avian moniliasis (or) thrush lesion are confined to the crop, less frequently invade the mouth, oesophagous, proventriculus, gizzard and intestine.

Symptoms

  • Vomiting, diarrhoea and emaciation occur in pigs.
  • In Cattle, candidiasis occurs following prolonged antibiotic therapy. Pneumonic and enteric symptoms are seen.
  • The mastitis may be mild and self-limiting, spontaneous recovery may occur within a week.
  • The disease has no diagnostic symptoms except that the affected birds shows unsatisfactory growth, stunted appearance, roughness of feathers, listlessness, loss of appetite, shrunken appearance of chest and tendency to stand around with head drowned on shoulder.
  • High mortality occurs in young birds in acute cases.
  • The mouth and oesophagous may show ulcer like patches.
Last modified: Monday, 4 June 2012, 5:59 AM