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Results for “FASCIOLIASIS”

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At least 775 records · Page 43Linked to original sources
PubMed1980

Efficacy of albendazole for prevention of fascioliasis in sheep.

Daily doses of albendazole administered as a premix in the feed for 35 days were effective in preventing Fasciola hepatica infections in 17 sheep in three groups: 5 mg/kg/day (6 sheep) was 100% effective; 3 mg/kg/day (5 sheep) was 98% effective; and 1 mg/kg/day (6 sheep) was 42% effective. Infective cysts were given daily for 5 days during the first week of treatment, treatment was continued an additional 28 days, and sheep were necropsied 14 weeks after final cyst inoculation. There were no visible lesions in any livers of sheep given albendazole at the rate of 5 mg/kg/day or in three of five livers of sheep dosed at the rate of 3 mg/kg/day. Sheep treated with albendazole had a mean weight gain of 2.7 kg, 4.0 kg, and 4.0 kg greater than the controls for the dosages of 1, 3, and 5 mg/kg/day, respectively. Determination of bile duct damage by measurement of serum gamma-glutamyl transpeptidase activity at 9 weeks after final cyst inoculation revealed increases of 3.0X, 1.0X, and 1.1X for the dosages of 1, 3, and 5 mg/kg/day, respectively, and 2.3X for the control, as compared with 7 weeks after final cyst inoculation.

Administration, Oral↗
PubMed1984

Serum gamma glutamyl transpeptidase activity in cattle with induced fascioliasis.

Six-month-old calves were inoculated with 200 metacercariae of Fasciola hepatica over a 72 day period. Their aspartic transaminase, alkaline phosphatase, arginase and gamma glutamyl transpeptidase (GGT) values were measured at two-week intervals. Infections with a final fluke count of 19 to 87 flukes did not result in an increase of serum alkaline phosphatase or arginase compared with those in control calves. Serum aspartic transaminase values were increased significantly (P less than 0.025) above those of controls but were not increased over reference values. Seemingly, measurement of these enzymes would not be useful in assessing the degree of fluke infestation. In contrast, serum values of GGT increased 56 days after preliminary inoculation and remained high for at least 83 days after infection. The initial rise coincided with the penetration of bile ducts by migrating flukes. This relationship may be useful in further studies of fluke-induced biliary damage.

Alkaline Phosphatase↗
PubMedDate not supplied

[Detection in the bile of a specific Fasciola hepatica antigen, a diagnostic criterion of fascioliasis].

The antigen activity of bile of rabbits, sheep and cattle infected with F. hepatica was investigated by the immunodiffusion methods. The sera obtained from animals with experimental fasciolosis and other infections were used. At the experimental fasciolosis and intensive natural infection antigens were found in bile, one of which was present in all the animals and turned to be identical immunologically to the specific protein antigene (molecular weight is 27 500) isolated from the extract of F. hepatica. Titres of this antigene in bile depended usually on the infection intensity and were, as a rule, higher than titres of corresponding antibodies in the blood serum. The presence of this antigen in bile can serve as a diagnostic indication of fasciolosis especially when ovoscope or immunological methods based on the finding of antibodies are inefficient.

Animals↗
PubMedDate not supplied

[Ultrasound aspect of fascioliasis of the biliary tract].

Concerning two cases of biliary distomiasis, the authors describe the sonographic patterns leading to the ultrasonic diagnosis of this parasite. Gallbladder distomiasis appears as an echogenic, oval structure, without acoustic shadow. It characteristically displays mobility and variable shape. The aspect of common bile duct distomiasis is reported for the first time. It is a nonshadowing linear structure and however non specific.

Aged↗
PubMed1984

Partial purification of somatic and excretory-secretory products of adult Fasciola hepatica and their application for the serodiagnosis of experimental and natural fascioliasis using an ELISA.

Six partially purified antigen fractions from adult Fasciola hepatica (three somatic tissues [Fhs] and three excretory products [Fhm]) were used in a micro-ELISA to monitor the serum antibody levels of an experimental rabbit F hepatica infection. Fhs 1 detected infection after 19 to 26 days and the titre remained significantly higher than that of the controls until day 103 of infection (end of experiment). Using Fhm 1 and Fhm 2, antibodies were detected between 12 and 19 days after infection. Fhm 2 distinguished infected from uninfected rabbits during the entire experimental period, whereas Fhm 1 did not. Excretory-secretory products of a low molecular weight were also antigenic and could differentiate between infected animals and controls. One hundred and nine sera from naturally infected cattle and uninfected controls were tested with the same antigens. Although antibody was detected, the results were inconsistent and further purification of the antigens may eventually improve the sensitivity of the method.

Animals↗