Amphistomiasis is a parasitic disease of livestock animals, more commonly of cattle and sheep, and humans caused by immature helminthic flatworms belonging to the order Echinostomida. The term amphistomiasis is used for broader connotation implying the disease inflicted by members of Echinostomida including the family Paramphistomidae/Gastrodiscidae (to be precise, the species Gastrodiscoides hominis); whereas paramphistomiasis is restricted to that of the members of the family Paramphistomidae only. G. discoides and Watsonius watsoni are responsible for the disease in humans, while most param
Amphistomiasis is a parasitic disease of livestock animals, more commonly of cattle and sheep, and humans caused by immature helminthic flatworms belonging to the order Echinostomida. The term amphistomiasis is used for broader connotation implying the disease inflicted by members of Echinostomida including the family Paramphistomidae/Gastrodiscidae (to be precise, the species Gastrodiscoides hominis); whereas paramphistomiasis is restricted to that of the members of the family Paramphistomidae only. G. discoides and Watsonius watsoni are responsible for the disease in humans, while most paramphistomes are responsible in livestock animals, and some wild mammals. In livestock industry the disease causes heavy economic backlashes due to poor production of milk, meat and wool.
==Signs and symptoms== Symptoms include: Physical weakness, emaciation or lethargy Foul smell of faeces, greasy consistency and scour or diarrhoea Anorexia, refusal to eat food Dehydration and frequent drinking of water Submaxillary oedema (bottle jaw) and pale mucous membrane Intestinal bleeding (haemorrhagic enteritis) with anaemia and low blood protein (hypoproteinaemia) Damage to the bile duct, and liver cirrhosis In humans (specifically gastrodiscoidiasis) symptoms include diarrhoea, fever, abdominal pain, colic, and an increased mucus production. Large amounts of eggs can cause tissue reactions in the heart or mesenteric lymphatics, which may lead to death. Mortality among native Assamese children is attributed to this infection.
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