Fascioliasis

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fascioliasis

[fə‚sē·ə′lī·ə·səs]
(medicine)
The infection of humans with Fasciola hepatica.

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

References in periodicals archive ?
La fasciolosis en bubalinos aparecio cuando estos se introdujeron en lugares previamente habitados por bovinos infestados, situacion que demuestra que el parasito se transmite a los bufalos que comparten su habitat con bovinos (7).
Resultados reportados en diferentes investigaciones donde se observaron incrementos de los valores epidemiologicos de fasciolosis en las epocas secas [13,31], los cuales lo asociaron ademas a la ausencia de programas fasciolicidas sistematicos [12], que podria ser el presente caso, por la no utilizacion de tratamientos antihelminticos durante el ano al rebano en estudio, y el uso de estos farmacos a inicio de la epoca de lluvias, donde se favorece la transmision, y una vez transcurrido el periodo prepatente, se incrementa la carga parasitaria, detectandose el incremento de los HPG en la epoca seca [13].
Ten animals in group were negative for fasciolosis and no treatment was given and acted as negative control.
En la Provincia de Corrientes, como en otros lugares de Argentina, Fasciola hepatica es bien conocida por causar una enfermedad parasitaria en los rumiantes, la fasciolosis, responsable de cuantiosas perdidas economicas de la ganaderia (14).
Distribution of Fasciolosis in Kansas, with results of experimental snail susceptibility studies.
The epidemiology of Fasciolosis has been studied by several authors in different countries (Honer and Vink1963; Boray 1963; Ross 1967; Boray et al.
Los niveles de prevalencia de fasciolosis encontrados en el presente fueron estudio fueron mayores que el 18% reportado en alpacas en Puno (MINSA, 1973) y de 35% en llamas (Leguia, 1999).
Aspectos epidemiologicos de las Fasciolosis bovina en el centro occidental venezolano con enfasis en la prevalencia de trematode y de su hospedador intermediario.
Fasciolosis represents one of the most common liver parasitisms in humans and domestic ruminants and is present throughout the world where the climatic conditions are suitable for snails (Lymnaea), the intermediate hosts of Fasciola gigantica and F.
It was concluded that Fasciolosis was prevalent in AJK with variable prevalence and intensity at different altitudes.
Clinical, gross and histopathological changes associated with chronic fasciolosis infection in a dairy farm.
Los datos sobre prevalencia de fasciolosis en America Latina varian en funcion del metodo diagnostico utilizado, epoca del ano y localidad evaluada.