Relevant bibliographies by topics / Haemoprotozoan parasites

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Academic literature on the topic 'Haemoprotozoan parasites'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Haemoprotozoan parasites"

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Egan, Siobhon L., Manuel Ruiz-Aravena, Jill M. Austen, Xavier Barton, Sebastien Comte, David G. Hamilton, Rodrigo K. Hamede, et al. "Blood Parasites in Endangered Wildlife-Trypanosomes Discovered during a Survey of Haemoprotozoa from the Tasmanian Devil." Pathogens 9, no. 11 (October 23, 2020): 873. http://dx.doi.org/10.3390/pathogens9110873.

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The impact of emerging infectious diseases is increasingly recognised as a major threat to wildlife. Wild populations of the endangered Tasmanian devil, Sarcophilus harrisii, are experiencing devastating losses from a novel transmissible cancer, devil facial tumour disease (DFTD); however, despite the rapid decline of this species, there is currently no information on the presence of haemoprotozoan parasites. In the present study, 95 Tasmanian devil blood samples were collected from four populations in Tasmania, Australia, which underwent molecular screening to detect four major groups of haemoprotozoa: (i) trypanosomes, (ii) piroplasms, (iii) Hepatozoon, and (iv) haemosporidia. Sequence results revealed Trypanosoma infections in 32/95 individuals. Trypanosoma copemani was identified in 10 Tasmanian devils from three sites and a second Trypanosoma sp. was identified in 22 individuals that were grouped within the poorly described T. cyclops clade. A single blood sample was positive for Babesia sp., which most closely matched Babesia lohae. No other blood protozoan parasite DNA was detected. This study provides the first insight into haemoprotozoa from the Tasmanian devil and the first identification of Trypanosoma and Babesia in this carnivorous marsupial.
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Rekha, B., G. Ponnudurai, and N. Rani. "Detection of haemoprotozoan parasites of sheep in ticks." Indian Journal of Small Ruminants (The) 27, no. 1 (2021): 135–38. http://dx.doi.org/10.5958/0973-9718.2021.00019.2.

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Velusamy, R., N. Rani, G. Ponnudurai, and P. Anbarasi. "Prevalence of intestinal and haemoprotozoan parasites of small ruminants in Tamil Nadu, India." Veterinary World 8, no. 10 (October 2015): 1205–9. http://dx.doi.org/10.14202/vetworld.2015.1205-1209.

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4

Aktas, Munir, and Sezayi Ozubek. "A survey of canine haemoprotozoan parasites from Turkey, including molecular evidence of an unnamed Babesia." Comparative Immunology, Microbiology and Infectious Diseases 52 (June 2017): 36–42. http://dx.doi.org/10.1016/j.cimid.2017.05.007.

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Holmes, P. H. "Pathophysiology of parasitic infections." Parasitology 94, S1 (January 1987): S29—S51. http://dx.doi.org/10.1017/s0031182000085814.

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SUMMARYParasites can have a wide range of pathophysiological effects on the host. This review describes those associated with some parasites of major importance in man and animals. Haemoprotozoan diseases such as trypanosomiasis and malaria are primarily associated with anaemia. Such anaemias have a complex aetiology involving various mechanisms responsible for red cell destruction as well as possible defects in red cell production. In addition to these haematological effects these diseases are associated with marked disturbances in heart function and the nervous, immune and urinary systems. The other major groups of parasitic diseases are those associated with the gastrointestinal tract. The most advanced studies have been conducted on the pathophysiology of gastrointestinal nematode parasites of sheep and have revealed significant effects on feed intake, gastrointestinal function, and protein and energy metabolism. Similar studies have yet to be conducted in other hosts and parasitic diseases. There is also a need to examine in greater detail the factors which can modulate pathophysiological responses by the host to parasitic infections.
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M’ghirbi, Youmna, Amaia Ros-García, Pilar Iribar, Adel Rhaim, Ana Hurtado, and Ali Bouattour. "A molecular study of tick-borne haemoprotozoan parasites (Theileria and Babesia) in small ruminants in Northern Tunisia." Veterinary Parasitology 198, no. 1-2 (November 2013): 72–77. http://dx.doi.org/10.1016/j.vetpar.2013.08.005.

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Opara, M. N., T. S. Adewumi, B. R. Mohammed, S. S. Obeta, M. K. Simon, O. C. Jegede, and R. I. S. Agbede. "Investigations on the Haemoprotozoan Parasites of Nigerian Local Breed of Dogs in Gwagwalada Federal Capital Territory (FCT) Nigeria." Research Journal of Parasitology 12, no. 1 (December 15, 2016): 1–7. http://dx.doi.org/10.3923/jp.2017.1.7.

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8

Mehta, H. K., Mahima, ., RK Bagherwal, and R. Chaurasia. "Clinical and Ultrasonographic Alterations in Canine Babesiosis." INDIAN JOURNAL OF VETERINARY SCIENCES AND BIOTECHNOLOGY 15, no. 03 (March 9, 2020): 30–31. http://dx.doi.org/10.21887/ijvsbt.15.3.8.

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Canine babesiosis is a worldwide tick borne disease. Dogs with fever, in appetence and enlarged lymph nodes were screened for the presence of haemoprotozoan parasites during the one year period of study at T.V.C.C., C.V.Sc., Mhow (M.P. , India ). Based on the stained peripheral blood smears examination, dogs were found to be affected with babesiosis. Clinical examination of the dogs revealed ticks over the body, highest frequency (75.00%) of petechial/epistaxis followed by ticks (72.22%) on the body, recumbency (69.44%), dullness (66.66%), dehydration (63.88%), pale mucous membrane (50.00%) . Sonographic changes in dogs infected with babesiosis revealed hepatomegaly with architectural changes, hypo-echoic changes in the liver parenchyma in 7 dogs, splenomegaly with disturbed architecture and multiple lesions was observed in 9 dogs, cystitis in 5 dogs , distended gall bladder in 3 dogs and in 4 dogs Kidneys structures were not clear in image and no demarcation noticed between cortex and medulla.
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9

Ogbaje, C. I., O. C. Nwosu, and C. D. Onah. "Modification of giemsa stain technique for better diagnosis of haemoprotozoan parasites and prevalence of bovine babesiosis in Makurdi Metropolis Major Abattoir." Nigerian Journal of Parasitology 40, no. 2 (October 1, 2019): 272. http://dx.doi.org/10.4314/njpar.v40i2.25.

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Gebisa, Gelaye, Kibiru Beriso, Biruk Bogale, Oda Gizaw, and Dawit Chala. "Bovine Trypanosomosis and Its Vectors in Three Selected Districts of Buno Bedele Zone of Oromia Region, Ethiopia." Veterinary Medicine International 2020 (July 25, 2020): 1–8. http://dx.doi.org/10.1155/2020/1571947.

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Trypanosomosis is one of the most economically challenging diseases affecting mammals, and it is a serious haemoprotozoan disease caused by different species of unicellular eukaryotic parasite of the genus trypanosome. The study was conducted to access the prevalence of bovine trypanosomosis, its associated risk factors, and vector density on cattle reared in three selected districts, namely, Chewaka, Dabo Hana, and Meko districts. Blood was collected from a total of 1046 cattle of age groups extending from 1 to 6 years. The buffy coat technique was used to check the presence of parasites from sampled blood, and the trypanosome species were identified using Giemsa-stained thin blood films. The packed cell volume of sampled blood was determined using the haematocrit. A total of 160 traps were deployed to study the entomological survey. Generally, 3.44% of the studied animal was infected with trypanosomosis, and T. vivax was the dominant species of trypanosomosis in the study areas. Significant differences (P < 0.05) were observed due to associated factor viz. body condition and anaemic status of the animal; however, insignificant differences were also recorded between different districts, age group, and sex. The mean PCV value of parasitaemic and aparasitaemic animals was 22.22 ± 0.92 and 26.18 ± 0.16, respectively, and significant difference was P < 0.05. An overall of 1.82 flies per trap per day was recorded from the study areas, and among the total caught vectors, 81.4% of it was G. tachinoides and the rest was G. morsitans. Therefore, the veterinarians have to continue providing the appropriate medication/treatment for the infected animals per appropriate recommendation, and Bedele NTTICC has to take more measures to control the density and distribution of tsetse flies in Dabo Hana district than the others due to high flies per trap per day observed in Dabo Hana district.
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Dissertations / Theses on the topic "Haemoprotozoan parasites"

1

Jeneby, Maamun. "Haemoprotozoan Parasites of Non-Human Primates in Kenya : Studies on Prevalence and Characterization of Haemoprotozoan Parasites of Wild-Caught Baboons, African Green Monkeys and Syke's Monkeys." Doctoral thesis, Uppsala universitet, Försöksdjursvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-150467.

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This thesis reports on cross-sectional surveys aimed at detecting and characterizing haemoprotozoan parasites infecting wild free-ranging non human primates (NHPs) in Kenya, East Africa. Blood samples from olive baboons (Papio cynocephalus anubis), vervet monkeys or African green monkeys (AGMs, Chlorocebus aethiops) and Syke's monkeys (Cercopithecus mitis) from five provinces of Kenya were analyzed. The haemoprotozoan parasites survey was performed with microscopic evaluation of blood smears, serological techniques and molecular tools. Blood specimens and serum samples from 121 NHPs were tested for the presence of Trypanosoma brucei (Study I). Indirect antibody enzyme-linked immunosorbent assay (Ab-ELISA) detected titers of anti-T. brucei antibodies in 19% (23/121) of the sera sampled. Subsequent field-oriented latex agglutination test (LAT) detected presence of T. brucei antigens in 16% (19/121) of the sera. However, there were no active infections detected on fixed blood smears, or wet blood films. Of the 378 NHPs sera samples tested for Leishmania major exposure using Ab-ELISA, 66% had detectable anti-L. major antibodies (study II). Western blot (WB) assay detected anti-L. major antibodies in sera from 46% (175/378) of the NHPs samples. Specific proliferation of peripheral blood mononuclear cells to L. major antigen was demonstrated in 23% (17/57) of AGMs samples. Haemoprotozoan parasites, Entopolypoides macaci and Hepatocystis kochi were detected by microscopic evaluation of Giemsa-stained blood smears from 179 NHPs (study III). The prevalence rate of E. macaci was 43% in African green monkeys, 35% in Syke’s monkeys and 33% in baboons. H. kochi infection rate was 18% in African green monkeys, 23% in baboons and 25% in Syke’s monkeys. Subsequent indirect immunofluorescent antibody test (IFAT) supported the morphologic appearance of E. macaci observed by microscopy. Molecular tools were used to detect and identify haemoprotozoan parasites in wild free-ranging NHPs (study IV). Nested polymerase chain reaction (PCR) targeting Babesia β-tubulin gene detected a 22% (27/125) B. microti infections in free-ranging NHPs in Kenya. PCR also detected 22% mixed infections by Hepatocystis and Entopolypoides, 12% Hepatocystis and Babesia and 7% Entopolypoides and Babesia (study V). Phylogenetic analysis inferred from mitochondrial cytochrome b (Cyt-b) gene confirmed the presence of Hepatocystis kochi whereas analysis of 18SS rRNA gene confirmed presence of two piroplasms, Babesia sp. and Entopolypoides macaci. In conclusion, epidemiological results from sero-prevalence studies provide strong circumstantial evidence that some species of Kenyan NHPs are naturally exposed to L. major and T. brucei infections and could be potential reservoir hosts for these haemoparasites. Molecular diagnosis revealed the occurrence of mixed parasite infections and confirmed the circulation of Babesia and Entopolypoides species in the same populations of Kenyan NHPs.
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2

Jakes, Kathryn Anne. "Morphology and molecular phylogeny of selected haemoprotozoan parasites of Australian wildlife /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17828.pdf.

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