Fasciola hepatica and Fasciola gigantica are responsible for it. It is caused by ingestion of metacercariae.  Intermediate host is snail (Lymnaeid snail).

Clinical Findings:

Acute Fascioliasis:

• Sudden death

• if signs observed animal is dull, weak, anorexic and pallor

• Edema of mucosa and conjuctiva 

• Animal feels pain when pressure exerted on liver

• Death occurs with passage of blood stained discharges from mouth and anus and mostly death occur within 2-3 weeks.

Subacute Fascioliasis:

• Submandibular edema (bottle jaw)

• Weight loss

• Pallor mucosa

Chronic Fascioliasis:

• Submandibular edema (bottle haw)

• Weight loss

• Pallor mucosa

• Duration of disease may be 2-3 months

• Loss in milk production

• Edema and chronic diarrhea

Treatment:

• Triclabendazole: 12 mg/Kg

• Albendazole: 10 mg/Kg

• Levamisol: 5.5-11 mg/Kg

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