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The authors used Albendazole in a single dose of 400 mg in 40 students from Africa and Asia, infected with Ascaris lumbricoides, Trichocephalrus trichiurus and Ancylostomatidae. At the third day after the treatment no parasite eggs have been found in 25 of 30 cases of ancylostomatidosis (83.3%), 16 of 23 cases of trichocephalosis (69.6%) and in all treated cases of ascaridosis (100%). It has been also found that the tolerance for the medicine is good in most patients. Only in two patients (2%) there appeared short time and not very strong pains in the upper part of the abdomen and headaches. An important property of Albendazole is its ability to destroy nematode eggs which is essential for the prophylaxis and nature conservation.
The increasing number of dogs, including stray ones, was the reason for carrying out the pilot study on the extensiveness of verminous invasion in these animals in four central and 7 suburban quarters of Olsztyn. Fresh samples of faeces taken from 220 dogs, coming from 20 animals from each district, were examined for the presence of parasite eggs and segments of tapeworms and adults nematode forms. The studies revealed mainly the presence of nematodes and to a smaller degree the segments of Diphylidium caninum (1.3%). The extensiveness of parasite invasion commonly ranged from 10 to 45%. Toxocara canis occurred most frequently (11.8%). Moreover, eggs of Ancylostomatidae (2.7%), Toxascaris leonina (1.8%) and Trichocephalus vulpis (1.3%) were found. One can conclude that due to their carrier state of parasites, dogs in towns and cities may constitute a potential health hazard for the inhabitants. This fact is all the more significant since only a small number of animals show clinical signs of infestation.
Monodontella giraffae Yorke et Maplestone, 1926 was collected from the biliary duct of liver of a dead giraffe, Giraffa camelopardalis (Linnaeus) from the Tianjin Zoo, Tianjin, China. A redescription of this species was made using light microscopy and scanning electron microscopy (SEM). The lateral alae and the detailed structures of the spicules and genital cone were observed for the first time by SEM. The taxonomic status of the genus is discussed.
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