خيارات البحث
النتائج 1 - 10 من 14
Bicephalic larval cestode of Taeniidae from rats in Malaysia.
1987
Kamiya M. | Ooi H.K. | Ohbayashi M. | Ow Yang C.K.
Presence of tapeworms (Cestoda) in red fox (Vulpes vulpes) in north-western Poland, with particular emphasis on Echinococcus multilocularis
2019
Tylkowska, Agnieszka | Pilarczyk, Bogumiła | Pilarczyk, Renata | Zyśko, Michał | Tomza-Marciniak, Agnieszka
Introduction: Foxes are a reservoir of parasites that are dangerous to humans. The aim of the study was to determine the parameters associated with the occurrence of tapeworms in red foxes in north-western Poland. Material and Methods: Parasitological sections were taken from 620 red foxes using IST and SCT methods in 18 districts of West Pomerania Province. Results: The extensity of fox infection with tapeworms was 61%. Echinococcus multilocularis, Mesocestoides spp., Dipylidium caninum, and specimens of the genus Taenia were identified. E. multilocularis was found in 11 districts. Mesocestoides spp. demonstrated the highest prevalence (41.3%), while E. multilocularis demonstrated the lowest prevalence (2.9%); however, it infected foxes with the greatest mean intensity (235.6 tapeworms per fox). The most common co-occurrence in a single host organism was observed for Mesocestoides spp. and tapeworms of the genus Taenia; however, no examples were found of coinfection by E. multilocularis and D. caninum. Conclusion: The occurrence of tapeworms in foxes was high in West Pomerania Province and was often higher than observed in previous years. For this reason, the risk of parasite transmission to humans and domestic animals is mounting. The risk of infection is also amplifying due to the growth of the fox population.
اظهر المزيد [+] اقل [-]Dogs’ gastrointestinal parasites and their association with public health in Iran
2017
Kohansal, Mohammad Hasan | Fazaeli, Asghar | Nourian, Abbasali | Haniloo, Ali | Kamali, Koorosh
Introduction: Dogs harbour zoonotic parasites that cause serious infections in humans, such as visceral larva migrans, ocular larva migrans, cystic echinococcosis, and alveolar echinococcosis. Studies on dogs’ gastrointestinal parasites in different geographical locations are required to increase knowledge of the risk of canine zoonoses in human populations.Material and Methods: The presence of parasites was examined in 450 faecal samples collected from eight zones of Zanjan province, northwest Iran from June to November 2015. The samples were examined using the sedimentation concentration method and modified Ziehl-Neelsen staining.Results: Gastrointestinal parasites were found in 86 (19.1%) faecal samples. Sarcocystis spp. (7.3%), Taenia/Echinococcus spp. (5.6%), Toxocara spp. (1.8%), and Cystoisospora spp. (1.6%) were the most common parasites observed. The other detected parasites consisted of Dicrocoelium dendriticum (0.7%), Eimeria spp. (0.7%), Cryptosporidium spp. (0.4%), Physaloptera spp. (0.4%), Giardia spp. (1.3%), and Spirocerca lupi (1.3%). The lowest parasite infection rates belonged to Trichuris vulpis and Acanthocephalans (0.2% each).Conclusion: This study provides current information on the infection rates in dog populations in Zanjan Province. Furthermore, the study shows a high prevalence of gastrointestinal parasitic infections, including zoonotic ones and particularly Taenia/Echinococcus spp., potentially transmissible to humans and thus relevant to public health.
اظهر المزيد [+] اقل [-]Intestinal helminths of raccoon dogs (Nyctereutes procyonoides) and red foxes (Vulpes vulpes) from the Augustów Primeval Forest (north-eastern Poland)
2016
Karamon, Jacek | Samorek-Pieróg, Małgorzata | Moskwa, Bożena | Różycki, Mirosław | Bilska-Zając, Ewa | Zdybel, Jolanta | Włodarczyk, Magdalena
Introduction: The aim of the study was to determine the prevalence of intestinal helminths in red foxes (Vulpes vulpes) and raccoon dogs (Nyctereutes procyonoides) in the Augustów Primeval Forest (north-eastern Poland), with particular regard to zoonotic parasites.Material and Methods: Intestines from 53 raccoon dogs and 66 red foxes were examined with the use of sedimentation and counting technique (SCT). Samples of faeces from 51 red foxes and 50 raccoon dogs were examined with the use of flotation method.Results: Parasitic helminths were found by SCT in 98.5% of red foxes and 96.2% of raccoon dogs. Both species were infected with: Alaria alata (93.9% and 94.3%, respectively), hookworms (68.2% and 83.0%), Apophallus spp. (7.6% and 15.1%), Mesocestoides spp. (57.6% and 24.5%), Taenia spp. (40.9% and 1.9%), and Toxocara/Toxascaris nematodes (33.3% 15.1%). Echinococcus multilocularis was detected only in red foxes (6.1%), but trematodes Echinostomatidae and nematodes Molineus spp. only in raccoon dogs (18.9% and 41.5%, respectively). Additionally, Capillaria spp. eggs were detected by flotation method in 78.4% of foxes and 20.0% of raccoon dogs.Conclusion: The study showed a very high percentage of red foxes and raccoon dogs infected with intestinal helminths in the Augustów Primeval Forest. Moreover, dangerous zoonotic parasites also were found, which should be taken into consideration in the assessment of infection risk for humans in this region.
اظهر المزيد [+] اقل [-]Effects of nitroscanate on adult Taenia pisiformis in dogs with experimentally induced infections
1991
Bowman, D.D. | Lin, D.S. | Johnson, R.C. | Lynn, R.C. | Hepler, D.I. | Stansfield, D.G.
Twenty-four specific-pathogen-free Beagles were each given 50 cysticerci of Taenia pisiformis that had been harvested from experimentally infected rabbits. Quantitative fecal egg counts and fecal screening for recovery of passed segments were performed on postinoculation days 56 through 70. Twenty-three of 24 dogs fed cysticerci developed patent infections. The 23 dogs with patent infections were assigned to 1 of 2 groups and treated with nitroscanate or a placebo 60 days after inoculation. Egg counts in the treated dogs had markedly decreased by the second day after treatment, and by the sixth day after treatment, segments were not found in the feces of any of the treated animals. The control dogs continued to pass eggs and segments in their feces throughout the 9 days after treatment. The dogs were euthanatized and necropsied 70 days after being inoculated. At necropsy, the mean number of scolices recovered from control dogs was 24.6, the mean number of scolices recovered from treated dogs was 0.25. Worms recovered from the control dogs were intact, gravid cestodes. Efficacy of treatment with nitroscanate at a mean dosage of 56 mg/kg of body weight was 98.9%.
اظهر المزيد [+] اقل [-]Occurrence of Taenia solium in a Cape fur seal (Arctocephalus pusillus)
1980
De Graaf, A.S. | Shaughnessy, P.D. | McCully, R.M. | Verster, A.
occurrence of larval stage of Taenia solium in brain, skeletal muscles, heart, lungs, and liver of Cape fur seal; Contracaecum osculatum also found in stomach
اظهر المزيد [+] اقل [-]Dose titration and confirmation tests for determination of cesticidal efficacy of epsiprantel in dogs
1989
Corwin, R.M. | Green, S.P. | Keefe, T.J.
Fifty-five dogs, naturally infected with Taenia sp or Dipylidium caninum or both, were assigned to the following treatment groups for dose titration studies with epsiprantel: nonmedicated control dogs (n = 14), medicated dogs given a dosage of 2.75 mg/kg of body weight (n = 15), medicated dogs given a dosage of 5.5 mg/kg (n = 16), and medicated dogs given a dosage of 8.25 mg/kg (n = 10). Medication was given orally in a tablet formulation. Feces were examined for cestodes passed and the gastrointestinal tract was examined at necropsy for retained cestodes. Efficacy of epsiprantel was 92.9% against Taenia and 44.8% against Dipylidium for a dosage of 2.75 mg/kg, 100% against Taenia and 99.8% against Dipylidium for a dosage of 5.5 mg/kg, and 94.6% against Taenia and 100% against Dipylidium for a dosage of 8.25 mg/kg. For dose confirmation, 36 dogs naturally infected with Taenia sp or D caninum or both were allotted to 2 treatment groups: nomedicated control dogs (n = 16) and dogs medicated with epsiprantel at a dosage of 5.5 mg/kg (n = 20). Efficacy was 100% for both Taenia sp and D caninum.
اظهر المزيد [+] اقل [-]Transmission potentials associated with zoonotic helminths of cattle in Minna Metropolis, Nigeria
2018
Agbajelola, V. I. | Lawal, I. R. | Falohun, O. O.
Zoonotic parasitic gastroenteritis has been well-known as a serious limitation to humans as well as livestock productivityin terms of man-power, pathology and fiscal losses, as human infection with these helminths from cattle can resultfrom consumption of meat containing the infective stage of the worm. This study therefore investigates the presence ofzoonotic helminth infections among cattle in Minna metropolis, and scientific basis for their potential transmission to humanpopulation. A total of 184 diarrhoeic faecal samples from cattle were collected from September 2014 to June 2015 in Minna,Niger state and processed using the direct faecal microscopic examination techniques. The obtained results showed that a total of 81 (44%) samples were positive including Ascaris sp, Fasciola gigantica, Trichuris sp. and Taenia sp. with infection rates of 22.3%, 12%, 2.2% and 0.5% respectively, and mixed infections of Fasciola gigantic with Ascaris sp. (4.3%) , and Ascaris sp. with Trichuris sp. (2.7%). Poor human hygiene, inadequate livestock husbandry managements and restriction of animals to residential areas are the major factors responsible for the high prevalence of zoonotic helminths and geo-helminths in the study area. Therefore veterinarians, animal handlers and livestock owners should practice personal hygienic and safe management practices for animal rearing and treatments.
اظهر المزيد [+] اقل [-]Development of a serologic assay for cysticercosis, using an antigen isolated from Taenia spp cyst fluid
1991
Hayunga, E.G. | Sumner, M.P. | Rhoads, M.L. | Murrell, K.D. | Isenstein, R.S.
An ammonium sulfate-soluble fraction of Taenia hydatigena cyst fluid (ThFAS) was further evaluated for use in the immunodiagnosis of cysticercosis. Analysis of ThFAS by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and protein immunoblot analysis confirmed earlier reports of a highly specific, low molecular weight antigen in this preparation; in contrast, other components of ThFAS were shown to react nonspecifically. Antibodies against the < 12-kD diagnostic antigen were detected in sera from 10 cattle and 4 swine inoculated with metacestodes of T saginata and T solium, respectively, but not in animals inoculated with Fasciola hepatica, Trichinella spiralis, Brucella abortus, or Toxoplasma gondii, or in noninoculated controls. Isolation and immobilization of the < 12-kD antigen on a hydrophobic transfer membrane resulted in development of an unambiguous dipstick assay capable of correctly identifying fully developed (10-week) experimentally induced infections in cattle and swine. In addition, the dipstick assay was highly specific for diagnosis of the disease in human beings, and offers the potential of distinguishing between human clinical cases of cysticercosis and taeniasis. A similar reactive antigen of diagnostic potential was also identified and isolated from T crassiceps and T taeniaeformis cyst fluids.
اظهر المزيد [+] اقل [-]Anthelmintic effect of febantel/praziquantel paste in dogs and cats
1984
Corwin, R.M. | Pratt, S.E. | McCurdy, H.D.
helminths of naturally infected dogs and cats, effect of febantel/praziquantel paste
اظهر المزيد [+] اقل [-]