Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
S. A. Pingle F. Y. B. Sc. Economic Importance of Helminthes ECONOMIC IMPORTANCE OF HELMINTHES Platyhelminthes and nematods or round worms together constitute helminthes. Many of the helminthes are endoparasitic worms live in gut and blood of human body and cause various diseases. These diseases are collectively called as helminthiasis. These parasites cause various diseases, illness and death. Several helminthes parasitize live stocks, poultry etc. The disease causing helminthes are included under three classes- Trematoda, Cestoda and Nematoda. The diseases caused by these helminthes are discussed below. 1. Trematoda Name of the helminth Disease caused Organ infected Symptoms Spreads by Fasciola Fasciolopsis Schistosoma Schistosomiasis Cause erosion of intestinal linings Blood stream By eating water nuts - Paragonimus Paragonimiasis Lungs Bleeding, diarrhea, nausea, pain Asthamatic attacks, hepatitis, fever, sweating, diarrhea, weight loss Chronic cough and emission of bloody sputum Name of the helminth Disease caused Organ infected Taenia solium Gastrointestinal disorders Gastrointestinal disorders - Stomach, Intestine Name of the helminth Disease caused Organ infected Symptoms Spreads by Ascaris Ascariasis Intestine Abdominal pain, Contaminated Eating undercooked crabs and crayfishes 2. Cestoda Taenia saginata Echinococcus Stomach, Intestine Liver, Lungs and Brain & kidneys under severe infection Symptoms Hunger, pain, anemic conditions Hunger, pain, anemic conditions Cysts develop in liver and lungs. Fatal if infection reaches kidney and brain Spreads by Uncooked pork Uncooked beef Contaminated food or water 3. Nematoda S. A. Pingle F. Y. B. Sc. Economic Importance of Helminthes Ancylostoma (Hook worm) Ancylostomiasis Intestine Enterobius (Pin worm) Enterobiosis Stomach, intestine, rectum, colon, anal ring Trichinella Trichinosis Intestine Wuchereria Filaria or Elephantiasis Lymphatic system of body weakness, vomiting, headache, dizziness, gritting of teeth in sleep. Gastrointestinal disorders, anemia, nervous disorders Itching at anal ring, loss of appetite, bed wetting, grinding of teeth, nausea, vomiting Nausea, vomiting, fever, edema of face Enlargement of limbs, scrotum and mammae Fig: Elephantiasis caused by Wuchereria food, raw vegetables, fruits Contaminated food Contaminated food or water Raw meat, especially pork By Culex mosquito