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At least 19 recordsLinked to original sources
PubMed1978

Albendazole therapy for experimentally induced Paragonimus kellicotti infection in cats.

The effect of albendazole therapy was studied in 6 cats with pulmonary paragonimiasis induced by experimental inoculation of metacercariae (25/cat) of Paragonimus kellicotti. At 76 to 101 days after they were inoculated, 5 cats were administered an oral aqueous suspension of albendazole in 2 divided doses totaling 20 mg (2 cats), 50 mg (1 cat), or 100 mg (2 cats)/kg of body weight each day for 14 to 21 days. The 6th cat (control) was not administered albendazole. Nine days after cats were given the 50- and 100-mg/kg dosages, Paragonimus ova were not seen in the feces of 3 cats. There was marked reduction in ova production in the feces of the 2 cats administered 20 mg/kg of albendazole. Live flukes were not recovered from the lungs of 3 cats necropsied 4 or 5 weeks after dosing with 50 or 100 mg/kg, but the lungs of the 2 cats administered 20 mg of albendazole/kg yielded 9 and 7 apparently viable flukes. Seventeen live flukes were recovered from the control cat not treated with albendazole. In 4 noninoculated normal cats administered 20 mg (1 cat), 100 mg (1 cat), and 200 mg (2 cats) of albendazole/kg of body weight each day for 14 days, there were no gross or microscopic lesions attributable to the drug.

Animals↗
PubMed1978

Anthelmintic efficacy of albendazole against adult Dictyocaulus viviparus in experimentally infected calves.

Anthelmintic activity of albendazole against adult Dictyocaulus viviparus was evaluated in a controlled experiment. Calves were raised nematode-free to approximately 8 weeks of age and were each given 4,000 infective 3rd-stage larvae. Twenty calves with patent parasitisms were allotted to 2 groups of 10 calves each. Calves in group 1 were used as nonmedicated controls, and calves in group 2 were given albendazole in paste formulation at the dosage concentration of 7.5 mg/kg of body weight on the 30th day after administration of infective larvae. At necropsy, nonmedicated control calves had a total of 308 adult D viviparus, whereas the albendazole-treated calves had 11, for an average efficacy of 96.4%. These reductions were statistically highly significant (P less than 0.01). At necropsy, none of the treated calves was passing 1st-stage C viviparus larvae in their feces, whereas control calves were passing an average of 46 larvae/10 g of feces.

Animals↗
PubMed1979

The efficacy of fenbendazole and albendazole against immature and adult stages of benzimidazole-resistant sheep trichostrongylids.

The efficacy of two recently introduced benzimidazole anthelmintics, albendazole and fenbendazole, was determined for six-day, 10-day and adult stages of resistant strains of Haemonchus contortus and Trichostrongylus colubriformis. Albendazole, at 3.8 mg/kg reduced H contortus worm counts by 92.4, 70.8 and 67.1 per cent while fenbendazole, at 5.0 mg/kg, reduced worm burdens by 51.7, 95.5 and 93.4 per cent against six-, 10- and 25-day-old parasites respectively. For T colubriformis, the corresponding reductions with albendazole were 97.7, 95.8 and 64.9 per cent and for fenbendazole 29.0, 66.3 and 33.4 per cent. Compared with susceptible strains of H contortus and T colubriformis, for which therapeutic doses of benzimidazole anthelmintics are generally highly active against all stages of development, the present results show that these drugs do not have a uniform level of activity against all developmental stages of resistant strains.

Animals↗
PubMed1977

Efficacy of albendazole against inhibited early fourth stage larvae of Ostertagia ostertagi.

Twelve untreated controls and 12 treated beef yearling steers were used in trials of albendazole (Smith Kline Animal Health Products) at 7.5 mg per kg (oral drench) against natural infections of inhibited fourth stage larvae of Ostertagia ostertagi. Albendazole had an efficacy of 83.8 per cent in removal of inhibited larvae. The mean number of inhibited larvae in untreated controls was 48.9 per cent. Efficacy against developing stages and adults of O ostertagi was 92.8 and 99.7 per cent, respectively. Efficacy against other worm genera in the abomasum, primarily thaemonchus and Cooperia adults, was 99.4 per cent. No signs of toxicity were observed following administration of albendazole. Some aspects of inhibition of O ostertagi in cattle in the USA are reviewed.

Abomasum↗
PubMed1979

The anthelmintic efficacy of albendazole against gastrointestinal roundworms, tapeworms, lungworms and liverflukes in sheep.

Anthelmintic trials were carried out to evaluate the efficacy of albendazole against helmi of 2,5 to 3,8 mg/kg administered orally, resulted in a 98,8 to 100% reduction of adult parasites of the genera Haemonchus, Ostertagia, Trichostrongylus, Nematodirus, Gaigeria, Oesophagostomum, Chabertia, Marshallagia and Cooperia. Against the immature stages of these genera, except for Marshallagia and Cooperia, which were not tested, a dose level of 2,5 to 3,8 mg/kg was 83,9-100% effective. Albendazole at 2,5 mg/kg was 99,0% effective against adult stages of Dictyocaulus; its activity at a dose of 3,8 mg/kg against the immature stages of D. filaria was 89,3%. In sheep naturally infested with Moniezia, 100% elimination was obtained at a dose level of 2,5 mg/kg. Dose levels of 3,8 mg/kg and higher were more than 76% effective against adult Fasciola hepatica, while a dose of 4,8 mg/kg was 63% effective against adult Fasciola gigantica.

Albendazole↗
PubMed1977

Effect of albendazole on gastrointestinal parasites of cattle.

The efficacy of albendazole in removing gastrointestinal nematodes and tapeworms was studied in 16 treated and 16 untreated (control) beef calves. The anthelmintic was administered as an oral drench at a dose level of 5 ml/45.5 kg of body weight (5 mg/kg). Percentage of efficacy against the various genera was: Trichostrongylus axei, Oesophagostomum radiatum, and Moniezia-100.0; Haemonchus placei, Cooperia spp, and Trichostrongylus colubriformis - greater than 99.0; Ostertagia ostertagi -98.3; and Bunostomum phlebotomum -96.2. Efficacy against Trichuris was 20.2. Efficacy against immature nematodes in the abomasum and small intestine was high, 91.9 and 86.4, respectively, but total numbers of nematodes were not large. Efficacy against immature stages in the cecum and remainder of the large intestine was 48.5. Signs of toxicosis were not observed in calves treated with albendazole.

Animals↗
PubMed1977

Anthelmintic efficacy of albendazole in cattle: comparison of critical and controlled tests.

Twelve calves were experimentally inoculated with 6 species of gastrointestinal nematodes and the liver fluke, Fasciola hepatica. Six calves were administered albendazole at 10 mg/kg of body weight, and the drug efficacy was determined by critical and controlled tests. Albendazole was only 74% effective against Haemonchus contortus (cambendazole-resistant strain), 99 to 100% effective against Ostertagia ostertagi, Trichostrongylus colubriformis, Cooperia oncophora, and Oesophagostomum radiatum, and 54% effective against the liver fluke. Except for H contortus, the critical test provided as accurate a measurement of drug activity against gastrointestinal nematodes as the controlled test provided.

Animals↗
PubMed1979

The activity of albendazole against adult and larval gastrointestinal nematodes in naturally infected calves in the Netherlands.

The activity of albendazole against gastrointestinal helminths in naturally infected calves in the Netherlands was tested. The calves were in their first grazing season and kept in two groups of ten. One of these groups was grazed alternately with sheep. Five out of each group were drenched with albendazole (7.5 mg/kg) on the day they were housed (November 1). Before and 2, 14, and 28 days after treatment individual faecal samples were taken from all calves and larval cultures were made. Ten calves, six treated and four untreated, were killed for post mortem studies 14 days after treatment. The remaining calves were slaughtered 14 days later. The drug was highly effective in reducing the egg output, measured as the number of larvae cultured per gram of faeces. Compared with the untreated calves, the reduction was more than 99% two days after treatment, 100% at 14 days, and 99% after 28 days. It was shown that egg output 28 days after treatment came from worms which had developed from arrested larvae of Ostertagia ostertagi that had survived treatment. Post mortem results showed an efficacy of 100% against adult O. ostertagi, of almost 100% against Trichostrongylus axei, and 100% against adult and larval Cooperia oncophora. Twenty-eight days after treatment, the reduction of arrested early fourth stages of O. ostertagi was 85% in comparison with the untreated calves. Apparently less effect was found against Trichuris ovis at the given dose rate.

Animals↗
PubMed1978

Cestocidal activity of albendazole in calves.

Sixty commercial-grade calves naturally infected with tapeworms (Moniezia benedeni and M expansa) were used in a controlled experiment to evaluate the anthelmintic efficacy of 4 dose levels of albendazole. Calves were randomly divided into 5 groups of 12 each. One group served as non-medicated controls. Other groups were drenched with albendazole (methyl [5-(propyltion)-1H-benzimidazol-2-yl] carbamate) at dose rates of 20, 10, 5 and 2.5 mg/kg of body weight. Calves were necropsied 14 days after treatment. Doses of 20 and 10 mg/kg were 100% efficacious in reducing the number of tapeworm scolices, and doses of 5 and 2.5 mg/kg were 97.8%. Medicated cattle did not show signs of intoxication.

Animals↗
PubMed1978

Efficacy of mebendazole and albendazole against Trichinella spiralis in mice.

Changes in the sensitivity of Trichinella spiralis to anthelmintic treatment during the first 3 days of infection in mice were studied. Oral administration of either mebendazole or albendazole at 6.25 mh/kg 2 hr after exposure to infection eliminated 95-100% of the worms as determined at necropsy on day 7 postinoculation. Beyond the first day of infection the sensitivity of the parasite to benzimidazole therapy was much reduced and an oral dose of 50 mg/kg was only partially but significantly active against the adult worms. Despite decline in drug sensitivity during the enteral phase, gavage administration of either mebendazole or albendazole at 50 mg/kg for 5 consecutive days during the invasive phase of infection significantly reduced (96 and 67%, respectively) the number of larvae subsequently recovered from host musculature on day 45 postinoculation.

Administration, Oral↗
PubMed1978

Anthelmintic activity of albendazole against Filaroides hirthi lungworms in dogs.

Albendazole given at a dosage rate of 25 to 50 mg/kg twice daily for 5 days killed all but a small proportion and sterilized the few surviving Filaroides hirthi worms in artificially infected Beagle pups. Extensive tissue reaction around the dead worms persisted for an undetermined length of time. However, albendazole treatment of mature stock should prove useful in preventing transmission of F hirthi infection to their offspring and thus provide an efficient means of control.

Animals↗
PubMed1977

Anthelmintic activity of albendazole against gastrointestinal nematodes in calves.

Anthelmintic activities of albendazole were evaluated in a controlled experiment. Forty calves experimentally infected with gastrointestinal nematodes were allotted to 4 groups. Calves in group 1 were used as nonmedicated controls; calves in groups 2, 3, and 4 were given (by oral route) a suspension containing albendazole at dose concentrations of 2.5, 5.0, and 7.5 mg/kg of body weight on the 35th day after administration of infective nematode larvae. In groups 2, 3, and 4 calves, average overall reductions (based on geometric means) were 77.1, 93.6, and 98.1%, respectively. These reductions were highly significant (P less than 0.01) in calves given doses of 5.0 and 7.5 mg/kg, and were significant (P less than 0.05) in calves given the 2.5-mg/kg dose. Ostertagia ostertagi, Trichostrongylus axei, Cooperia onchophora, Cooperia punctata, and Oesophagostomum radiatum removals at the 5.0- and 7.5-mg/kg dose levels were all highly significant (P less than 0.01); whereas, removals of Haemonchus contortus were not significant, even at the 7.5-mg/kg dose level.

Animals↗
PubMed1979

Efficacy of albendazole against Fasciola hepatica in sheep.

In series of 4 trials dose rates of 3.8, 4.75 and 7.5 mg/kg of albendazole were given to sheep either as a single or repeat dose such as may be given under field conditions. Efficacy against 6-to 7-week-old Fasciola hepatica ranged from 16.0% to 43.6%. Efficacy against mature 12- to 17-week-old fluke ranged from 74.4% to 94.5%.

Albendazole↗
PubMed1979

Equine verminous arteritis. An arteriographic evaluation of the larvicidal activity of albendazole.

Albendazole was an effective larvicidal anthelmintic against the fourth stage Strongylus vulgaris larvae as late as one month post-infection. The drug was administered at a dose rate of 25 mg/kg three times daily for 5 days. Diarrhoea occurred in 3 of 4 foals treated and of these one died during belated intravenous therapy for dehydration. Arteriography allowed for an in vivo assessment of the development and regression of lesions in infected-treated foals compared to the continued development of lesions in infected-untreated foals. The arteriographic findings were confirmed at necropsy.

Albendazole↗
PubMed1979

Efficacy of albendazole for treatment of naturally acquired nematode infections in Washington cattle.

Albendazole, methyl 5-propylthio-1H-benzimidazol-2-yl carbamate, was given as a bolus (7.68 to 8.18 mg/kg of body weight) to cattle naturally infected with gastrointestinal nematodes and lungworms in a controlled trial. Over 99% of adult Ostertagia ostertagi, Trichostrongylus longispicularis, Cooperia oncophora, Nematodirus helvetianus, and Dictyocaulus viviparus were removed by the treatment. Efficacy against immature O ostertagi, early fourth-stage O ostertagi, and Oesophagostomum radiatum was 95.2%, 86.6%, and 96.7%, respectively. In a field trial, the same compound administered in a paste formulation (at approximately 7.5 mg/kg) eliminated over 99% of strongylin and Moniezia eggs from feces of treated cattle.

Animals↗
PubMed1979

The anthelmintic efficacy of albendazole against Fasciola hepatica and benzimidazole resistant strains of Haemonchus contortus and Trichostrongylus colubriformis in sheep.

The anthelmintic efficacy of albendazole (methyl [5-(propylthio) - 1H - benzimidazole -2 -yl] carbamate) against immature and adult Fasciola hepatica and against standardised strains of benzimidazole resistant Haemonchus contortus and Trichostrongylus colubriformis was evaluated in experimentally infected sheep. A single intrarumenal treatment of dose rates of 3.8 and 7.6 mg/kg was ineffective against immature (six weeks old) F hepatica. Dose rates of 5.7 and 7.6 mg/kg reduced the number of mature (12 weeks old) F hepatica by 70 and 91 per cent respectively. Dose rates of 5.7 and 7.6 mg/kg removed 92 and 99 per cent of four-week-old, benzimidazole resistant H contortus and 89 and 99 per cent of four-week-old, benzimidazole resistant T colubriformis.

Animals↗