Fascioliasis

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fascioliasis

[fə‚sē·ə′lī·ə·səs]
(medicine)
The infection of humans with Fasciola hepatica.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Fascioliasis

 

a helminthiasis of animals and man; one of the trematodiases. It is caused by the common liver fluke and giant liver fluke, which parasitize man, cattle, sheep, swine, and other animals. The eggs are deposited mainly in the bile ducts of the liver and gall-bladder and are later excreted with the feces. The flukes continue their cycle of development in water and in snails, their intermediate hosts. Infection occurs when the larvae are swallowed with water and plants. In man, a fever develops within two to four weeks, together with a cough and skin eruptions. The liver enlarges and becomes tender. Acute manifestations gradually subside and the disease becomes chronic, a condition marked chiefly by digestive disorders and enlargement and tenderness of the liver.

Fascioliasis of animals occurs worldwide and may be acute or chronic. In the USSR it affects cattle and other bovines and camels, horses, and hares. The animals are infected in pastures. Hepatitis develops and results in impaired metabolism. The parasites’ toxins alter the morphological and chemical composition of the blood. Infected animals manifest loss of appetite, diarrhea, debilitation, and liver enlargement. Milk secretion is reduced in cows. In sheep, severe infestation is fatal.

In man, fascioliasis is treated with Chloxyl or emetine; in animals it is treated with Hexychol, bithionol, or carbon tetrachloride. The disease is prevented in man by boiling or filtering drinking water. It is prevented in animals by changing pastures, exterminating snails, and carrying out other sanitary measures.

REFERENCES

Skriabin, K. I. Trematody zhivotnykh i cheloveka, vol. 2. Moscow-Leningrad, 1948.
Demidov, N. V. Fastsiolez zhivotnykh. Moscow, 1965.

N. N. PLOTNIKOV and G. A. KOTELNIKOV

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
In the second stage (perspective study), meat inspection and recording of all cases of bovine fasciolosis for a period of four months (September-December, 2004) was carried out.
Hence, the biological and geo-climatic conditions provide favourable condition required for the epidemiological distribution of fasciolosis. The very information can be applied in other topogeographic areas having similar ecological and environmental conditions.
Indeed, in Italy they lived in urban areas (Perugia city) and spent in our country only few months before the fasciolosis detection.
The trapping of snails with the help of photo- and chemoattractant and there treatment for effective control of snails/Fasciola larva will be a new tool in fasciolosis control program.
Se utilizaron 44 muestras de leche de bovinos con diagnostico positivo para fasciolosis confirmado por la tecnica coprologica de Dennis modificada (13).
Las manifestaciones clinicas de la fasciolosis humana son inespecificas y varian de acuerdo la fase de la enfermedad, aguda o cronica.
Aloot, "Fasciolosis in cattle and carabaos in selected barangays of Pikit and Kabacan, Cotabato, Philippines," USMR& D, vol.
The domesticated buffaloes are frequently infested with snail borne parasitic diseases like fasciolosis and amphistomosis due to their inherent affinity for water logging areas (Swarup et al., 1987).
The low coprological prevalence of fasciolosis could be due to the lower number of metacercariae intake by the animals owing to low ambient temperature which is not favourable for the snail which acts as intermediate host of Fasciola (Andrews 1999).