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Journal articles on the topic 'Coccidian protozoan parasites'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Marugan-Hernandez, Virginia, Gonzalo Sanchez-Arsuaga, Sue Vaughan, Alana Burrell, and Fiona M. Tomley. "Do All Coccidia Follow the Same Trafficking Rules?" Life 11, no. 9 (2021): 909. http://dx.doi.org/10.3390/life11090909.

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The Coccidia are a subclass of the Apicomplexa and include several genera of protozoan parasites that cause important diseases in humans and animals, with Toxoplasma gondii becoming the ‘model organism’ for research into the coccidian molecular and cellular processes. The amenability to the cultivation of T. gondii tachyzoites and the wide availability of molecular tools for this parasite have revealed many mechanisms related to their cellular trafficking and roles of parasite secretory organelles, which are critical in parasite-host interaction. Nevertheless, the extrapolation of the T. gondi

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CHOPRA, R. D., and M. S. DWORKIN. "Descriptive epidemiology of enteric disease in Chennai, India." Epidemiology and Infection 141, no. 5 (2012): 953–57. http://dx.doi.org/10.1017/s0950268812001409.

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SUMMARYThere are very few data on the prevalence of coccidian enteric parasites among low-income adults hospitalized in Chennai, India. Stool samples from 200 patients were screened for selected parasites, enteric bacterial pathogens, and other protozoa over a 3-month period. The study identified 42 (21%) Cryptosporidium, 36 (18%) V. cholerae, 17 (9%) Salmonellla, 12 (6%) Isospora, six (3%) helminths, five (3%) Shigella, one (1%) Cyclospora, one (1%) other protozoan, and 0% V. parahaemolyticus cases. Co-infection was present in 21 patients. Cryptosporidium was detected in 17 (81%) of co-infect

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Mbekeani, Alison, Will Stanley, Vishal Kalel, et al. "Functional Analyses of a Putative, Membrane-Bound, Peroxisomal Protein Import Mechanism from the Apicomplexan Protozoan Toxoplasma gondii." Genes 9, no. 9 (2018): 434. http://dx.doi.org/10.3390/genes9090434.

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Peroxisomes are central to eukaryotic metabolism, including the oxidation of fatty acids—which subsequently provide an important source of metabolic energy—and in the biosynthesis of cholesterol and plasmalogens. However, the presence and nature of peroxisomes in the parasitic apicomplexan protozoa remains controversial. A survey of the available genomes revealed that genes encoding peroxisome biogenesis factors, so-called peroxins (Pex), are only present in a subset of these parasites, the coccidia. The basic principle of peroxisomal protein import is evolutionarily conserved, proteins harbou

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Li, Lianxiang, and Sherwin S. Desser. "Three new species of Octosporella (Protozoa: Coccidia) from cyprinid fish in Algonquin Park, Ontario." Canadian Journal of Zoology 63, no. 8 (1985): 1859–62. http://dx.doi.org/10.1139/z85-276.

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Among the protozoan parasites observed in cyprinid fish from Lake Sasajewun and Lake Opeongo, Algonquin Park, Ontario, were coccidian parasites with oocysts containing eight sporocysts, each of which housed two sporozoites. Three new species of Octosporella Ray and Raghavachari, 1942 are described: Octosporella notropis sp. n. from the intestine, spleen, and swim bladder of the common shiner, Notropis cornutus (Mitchill), and Octosporella opeongoensis sp. n. and Octosporella sasajewunensis sp. n. from the swim bladder of the golden shiner, Notemigonus crysoleucas (Mitchill). The present report

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Oliveira, Patrícia Silva de, Matheus Alexandre Ferreira, Lidiane Maria da Silva, Mariana Borges Rodrigues, Sergian Vianna Cardozo, and Bruno Pereira Berto. "Diversity and distribution of coccidia of wild birds in an Atlantic forest fragment area in southeastern Brazil." Revista Brasileira de Parasitologia Veterinária 26, no. 4 (2017): 457–64. http://dx.doi.org/10.1590/s1984-29612017063.

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Abstract Coccidia are protozoan parasites that are frequently observed in fecal samples from wild birds, and they are extremely important for biodiversity, host specificity and conservation. The aim of the present study was to identify and quantify the coccidian species from wild birds caught in a fragmented area of Atlantic Forest in the municipality of Guapimirim in the state of Rio de Janeiro, which is located around the Serra dos Órgãos National Park. A total of 101 birds were caught and identified. The highest prevalence and density were observed in the family Columbidae (Columbiformes).

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Lom, Jiří, and Iva Dyková. "Studies on protozoan parasites of Australian fishes. Notes on coccidian parasites with description of three new species." Systematic Parasitology 31, no. 2 (1995): 147–56. http://dx.doi.org/10.1007/bf02185546.

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7

Chandi, Dhruba Hari, and Sucheta J. Lakhani. "Intestinal Parasite Infestation in HIV Infected Patients in Tertiary Care Center." Journal of Pure and Applied Microbiology 15, no. 3 (2021): 1602–7. http://dx.doi.org/10.22207/jpam.15.3.56.

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Every year, the number of people living with HIV rises as a consequence of advanced infections and the positive effects of highly active antiretroviral therapy (HAART). Gastrointestinal involvement is common, with 90% of patients seeking treatment for gastrointestinal problems as their HIV infection progresses. Nonetheless, identifying and characterization of infectious agents is important for patient management by excluding a clinical diagnosis and determining appropriate treatment, as well as determining public healthcare policy for true pathogen prevalence and yielding epidemiological risk

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8

Abdullahi, MM, MS Okaku, JD Tongjura, and ZR Sani. "Prevalence of Gastro- intestinal Parasites of Sheep slaugtered at Keffi Abattoir, Nasarawa Sate, Nigeria." NIGERIAN ANNALS OF PURE AND APPLIED SCIENCES 3, no. 1 (2020): 75–80. http://dx.doi.org/10.46912/napas.160.

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This study investigated the prevalence of gastrointestinal parasites of sheep slaughtered in Keffi main abattoir conducted from June to July 2019. One hundred and fifty (150) fecal samples comprising of 60 Yankasa, 18 West African dwarf (WAD), 33 Balami and 39 Uda breed were collected from the abattoir. The samples were taken to the Laboratory to examine the intestinal helminthes eggs and protozoan oocysts using sodium chloride floatation and sedimentation techniques. Out of 150 samples examined, 84(56.0%) had gastrointestinal parasites. The Yankasa breed had the highest prevalence of 32(38.1%

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M'RAD, SELIM, RAJA CHAABANE-BANAOUES, IBTISSEM LAHMAR, et al. "Parasitological Contamination of Vegetables Sold in Tunisian Retail Markets with Helminth Eggs and Protozoan Cysts." Journal of Food Protection 83, no. 7 (2020): 1104–9. http://dx.doi.org/10.4315/jfp-19-559.

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ABSTRACT Foodborne diseases continue to represent an important threat to public health in many parts of the world and are particularly widespread in developing countries. They are essentially acquired through an oro-fecal route via the consumption of uncooked fruits and vegetables. This study evaluated the parasitological contamination of vegetables for sale to humans in Tunisian retail markets. A total of 240 samples of fresh vegetables were examined for helminth eggs and protozoan cysts and oocysts (collectively, (oo)cysts) contamination. The parasitic elements (helminth eggs and protozoan (

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10

Blake, Damer P., Emily L. Clark, Sarah E. Macdonald, et al. "Population, genetic, and antigenic diversity of the apicomplexanEimeria tenellaand their relevance to vaccine development." Proceedings of the National Academy of Sciences 112, no. 38 (2015): E5343—E5350. http://dx.doi.org/10.1073/pnas.1506468112.

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The phylum Apicomplexa includes serious pathogens of humans and animals. Understanding the distribution and population structure of these protozoan parasites is of fundamental importance to explain disease epidemiology and develop sustainable controls. Predicting the likely efficacy and longevity of subunit vaccines in field populations relies on knowledge of relevant preexisting antigenic diversity, population structure, the likelihood of coinfection by genetically distinct strains, and the efficiency of cross-fertilization. All four of these factors have been investigated forPlasmodiumspecie

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Allen, P. C., and R. H. Fetterer. "Recent Advances in Biology and Immunobiology of Eimeria Species and in Diagnosis and Control of Infection with These Coccidian Parasites of Poultry." Clinical Microbiology Reviews 15, no. 1 (2002): 58–65. http://dx.doi.org/10.1128/cmr.15.1.58-65.2002.

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SUMMARY Avian coccidiosis, an intestinal disease caused by protozoan parasites of the genus Eimeria, occurs worldwide. It is considered to be one of the most economically important diseases of domestic poultry. For many years, prophylactic use of anticoccidial feed additives has been the primary means of controlling coccidiosis in the broiler industry and has played a major role in the growth of this industry, which now can produce about 7.6 billion chickens annually. However, development of anticoccidial resistance has threatened the economic stability of the broiler industry. Although there

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Uribe, Manuel, Esteban Payán, Jan Brabec, et al. "Intestinal Parasites of Neotropical Wild Jaguars, Pumas, Ocelots, and Jaguarundis in Colombia: Old Friends Brought Back from Oblivion and New Insights." Pathogens 10, no. 7 (2021): 822. http://dx.doi.org/10.3390/pathogens10070822.

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Neotropical wild felids (NWF) are obligate carnivore species present in Central and South America, and some are considered endangered due to constantly decreasing populations. NWF can become infected by a wide range of protozoan and metazoan parasites, some of them affecting their health conditions and others having anthropozoonotic relevance. Parasitological studies on NWF are still very scarce, and most data originated from dead or captive animals. On this account, the current study aimed to characterize gastrointestinal parasites of free-ranging jaguars (Panthera onca), pumas (Puma concolor

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Bilung, Lesley Maurice, Ahmad Syatir Tahar, Nur Emyliana Yunos, et al. "Detection ofCryptosporidiumandCyclosporaOocysts from Environmental Water for Drinking and Recreational Activities in Sarawak, Malaysia." BioMed Research International 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/4636420.

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Cryptosporidiosis and cyclosporiasis are caused by waterborne coccidian protozoan parasites of the generaCryptosporidiumandCyclospora,respectively. This study was conducted to detectCryptosporidiumandCyclosporaoocysts from environmental water abstracted by drinking water treatment plants and recreational activities in Sarawak, Malaysia. Water samples (12 each) were collected from Sungai Sarawak Kanan in Bau and Sungai Sarawak Kiri in Batu Kitang, respectively. In addition, 6 water samples each were collected from Ranchan Recreational Park and UNIMAS Lake at Universiti Malaysia Sarawak, Kota Sa

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14

Cassey, Phillip, and John G. Ewen. "Relationships between nestling condition and variability in coccidian prevalence among three species of wild-nesting birds in New Zealand." Australian Journal of Zoology 56, no. 2 (2008): 75. http://dx.doi.org/10.1071/zo08001.

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Coccidian protozoa are widespread intestinal parasites of vertebrate species. Currently, our understanding of the dynamics of host–coccidia relationships among birds remains poor beyond domestic poultry and species held in captivity. The various threats that parasites can impose have resulted in demands to monitor and quantify different parasites and incorporate their impacts on hosts into ecological models of risk assessment. Here, we estimate prevalence of coccidian infections from nestlings of three species of exotic, free-living European passerines in New Zealand (Turdus merula, T. philome

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15

Hussein, Shivan N., and Mohammed S. Shukur. "In vivo experimental infection of sarcosporidiosis and toxoplasmosis of rabbits in Duhok Province, Kurdistan region, Iraq." International Journal of Research in Medical Sciences 8, no. 10 (2020): 3467. http://dx.doi.org/10.18203/2320-6012.ijrms20204218.

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Background: Sarcocystis species and Toxoplasma gondii are both zoonotic obligatory intracellular protozoan organisms and cyst-forming coccidian parasites that occur in domestic animals and human throughout the world.Methods: Forty local breed rabbits were divided into four groups, each group ten. Group one were infected with Sarcocystis, group two with Toxoplasma and group three with both parasites and last group was non-infected control group. The LAT serological test was used for detection of anti-toxoplasma antibody in serum of Toxoplasma infected rabbits. The direct impression smears stain

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Yadav, Khushbu, and Satyam Prakash. "Study on Intestinal Parasitic Infections in Muslim community of Janakpurdham, Nepal." Janaki Medical College Journal of Medical Science 4, no. 1 (2017): 36–45. http://dx.doi.org/10.3126/jmcjms.v4i1.16383.

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Background and Objectives: Intestinal parasitic infection is an important public health problem in Nepal because of its high morbidity and mortality. The distribution and prevalence of the various intestinal parasites species depend on social, geographical, economical and inhabitant customs. Therefore, the present study was designed to determine the burden of intestinal parasitic infections and its relation with sanitary practices and socio-demographic characteristics in Muslim community of Janakpurdham, Nepal.Material and Methods: A total of 161 stool samples were collected in dry, clean and

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Suwanti, Lucia Tri. "IDENTIFICATION AND PREVALENCE OF GASTROINTESTINAL PARASITES IN BEEF CATTLE IN SIAK SRI INDRAPURA, RIAU, INDONESIA." Indonesian Journal of Tropical and Infectious Disease 7, no. 6 (2019): 155. http://dx.doi.org/10.20473/ijtid.v7i6.10392.

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Gastrointestinal (GI) parasites infection are one of the major constraints cattle farm in tropical countries including Indonesia and some of GI parasites in cattle have the potential to transmit to humans. This study was aimed to identify and determine the level of prevalence of gastrointestinal (GI) parasites in beef cattle in Siak Sri Indrapura District, Riau Province, Indonesia. This research was conducted on 100 beef cattle consisted of, respectively, 32, 34 and 34 cattles from Bungaraya, Sabak Auh, and Dayun sub-district. The characteristic of sample such as age and sex cattle, cage manag

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18

Kostadinovic, Ljiljana, Sandor Kormanjos, Lazar Ruzicic, and Gordana Dozet. "Determination of ionophore coccidiostat salinomycine in premixes and poultry feeding stuffs by liquid chromatography after post-column derivatisation." Chemical Industry 68, no. 4 (2014): 445–48. http://dx.doi.org/10.2298/hemind130513068k.

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Coccidiosis is a common parasitic disease of broiler chickens caused by single-celled protozoan parasites of the genus Eimeria which are commonly referred to as coccidian. This is an infective disease of the digestive tract which is most frequent with poultry, causing a decrease in daily increment, prolonged fattening, poorer skin pigmentation, slower feed conversion and increased mortality. The disease is caused by Protozoas from the genera of Eimeria, Isospora and Cryptospora, and it is manifested by damaging the intestine epithelial cells, less frequently the bile duct and renal tubuli. Coc

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19

Smith, Adrian L., and Adrian C. Hayday. "Genetic Dissection of Primary and Secondary Responses to a Widespread Natural Pathogen of the Gut,Eimeria vermiformis." Infection and Immunity 68, no. 11 (2000): 6273–80. http://dx.doi.org/10.1128/iai.68.11.6273-6280.2000.

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ABSTRACT Because most pathogens initially challenge the body at epithelial surfaces, it is important to dissect the mechanisms that underlie T-cell responses to infected epithelial cells in vivo. The coccidian parasites of the genus Eimeria are protozoan gut pathogens that elicit a potent, protective immune response in a wide range of host species. CD4+ αβ T cells and gamma interferon (IFN-γ) are centrally implicated in the primary immunoprotective response. To define any additional requirements for the primary response and to develop a comparison between the primary and the secondary response

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Lango-Yaya, Ernest, Donatien Clotaire Rafai, Tatiana Ngalema, Freddy Marcelin Agboko, Romaric Lebon Bondom, and Marcellin Namzeka. "Prevalence Des Infections Parasitaires Dues Aux Protozoaires Identifies Au Laboratoire National De Biologie Clinique Et De Sante Publique, Bangui Republique Centrafricaine." European Scientific Journal, ESJ 17, no. 21 (2021): 115. http://dx.doi.org/10.19044/esj.2021.v17n21p115.

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Les Protozoaires sont des parasites de petite taille, de forme diverses parmi lesquels on distingue les Protozoaires intestinaux (Amibes, Flagellés, Coccidies, Ciliés et Microsporidies) qui sont les plus répandus. Selon l’OMS, les parasitoses intestinales constituent un problème de santé publique dans le monde en général et en Afrique en particulier. Les formes graves sont généralement provoquées par certains protozoaires intestinaux à savoir Entamoeba histolytica, Giardia intestinalis et Trichomonas intestinalis qui jouent un rôle dans la survenue du syndrome dysentérique. C’est dans ce conte

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Magalhães-Matos, Paulo Cesar, Michele Bahia do Vale Silva, Paulo Geovani Silva Souza, et al. "Occurrence of eggs and oocysts of gastrointestinal parasites in passerine birds kept in captivity in Para State, Brazil." Ciência Rural 46, no. 12 (2016): 2177–81. http://dx.doi.org/10.1590/0103-8478cr20160081.

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ABSTRACT: The objective of this study was to detect helminth eggs and protozoan oocysts in samples of feces from birds of the order Passeriformes in Para State, Brazil. Fecal samples were collected individually from 403 passerine birds seized and kept in captivity in Para State. Samples were processed by the double centrifugation technique in saturated sucrose solution and the coccidial oocyst-positive samples were submitted to sporulation in potassium dichromate 2.0%. Helminth eggs and/or protozoan oocysts were observed in 43.18% (174/403) of the fecal samples examined. Coccidial oocysts were

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CRAIG, B. H., L. J. TEMPEST, J. G. PILKINGTON, and J. M. PEMBERTON. "Metazoan-protozoan parasite co-infections and host body weight in St Kilda Soay sheep." Parasitology 135, no. 4 (2008): 433–41. http://dx.doi.org/10.1017/s0031182008004137.

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SUMMARYFor hundreds of years, the unmanaged Soay sheep population on St Kilda has survived despite enduring presumably deleterious co-infections of helminth, protozoan and arthropod parasites and intermittent periods of starvation. Important parasite taxa in young Soay sheep are strongyles (Trichostrongylus axei, Trichostrongylus vitrinus and Teladorsagia circumcincta), coccidia (11 Eimeria species) and keds (Melophagus ovinus) and in older animals, Teladorsagia circumcincta. In this research, associations between the intensity of different parasite taxa were investigated. Secondly, the intens

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Pedersen, Amy B., and Janis Antonovics. "Anthelmintic treatment alters the parasite community in a wild mouse host." Biology Letters 9, no. 4 (2013): 20130205. http://dx.doi.org/10.1098/rsbl.2013.0205.

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Individuals are often co-infected with several parasite species, yet the consequences of drug treatment on the dynamics of parasite communities in wild populations have rarely been measured. Here, we experimentally reduced nematode infection in a wild mouse population and measured the effects on other non-target parasites. A single oral dose of the anthelmintic, ivermectin, significantly reduced nematode infection, but resulted in a reciprocal increase in other gastrointestinal parasites, specifically coccidial protozoans and cestodes. These results highlight the possibility that drug therapy

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Liza, Fahmida Tasnim, Mandira Mukutmoni, and Aleya Begum. "Occurrence of gastrointestinal (GI) parasites in Bengal Tiger and African Lion of Bangabandhu Sheikh Mujib Safari Park, Gazipur, Dhaka." Asian-Australasian Journal of Bioscience and Biotechnology 5, no. 1 (2020): 27–32. http://dx.doi.org/10.3329/aajbb.v5i1.53859.

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Forty-two fresh fecal samples from the Bengal tigers (n=30) and African lions (n=12) were collected during March 2018 to July 2018 from Bangabandhu Sheikh Mujib Safari Park, Gazipur, Dhaka. The fecal samples were processed using formol-ether concentration technique. A total of six types of parasites (egg/ cyst) were observed viz.; one protozoan (Coccidia spp.), two cestodes (Hymenolepis spp., and Diphyllobothrium spp.) and three nematodes (Ascaris spp., Toxocara spp. and hookworms). No trematodes were found during the study. Occurrence of gastrointestinal (hereafter GI) parasites recorded in t

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Akinnubi, T. J., and O. A. Morenikeji. "Prevalence of gastrointestinal parasites in captive animals in selected private zoos in south-west Nigeria." Nigerian Journal of Parasitology 41, no. 1 (2020): 21–29. http://dx.doi.org/10.4314/njpar.v41i1.4.

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This study was carried out to determine the gastrointestinal parasite profile of captive animals kept in three private zoological gardens (Olusegun Obasanjo Presidential Library (OOPL) Wildlife Park, Q-BRAT Zoos and Gardens, OMU Resort) in south-west Nigeria. Animals were screened for gastrointestinal parasites via faecal analysis using standard coprological techniques. A total of 104 faecal samples were collected from forty-three animal species across the three zoos. Faecal samples examination revealed an overall parasite prevalence of 41.37%. The prevalence in OOPL was 35.29%, 62.5% in Q-BRA

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Marquardt, William C., Norman D. Levine, and Virginia Ivens. "The Coccidian Parasites (Protozoa, Apicomplexa) of Artiodactyla." Journal of Parasitology 73, no. 1 (1987): 252. http://dx.doi.org/10.2307/3282387.

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Liza, Fahmida Tasnim, Mandira Mukutmoni, and Aleya Begum. "Gastrointestinal Parasites of Captive Asiatic Black Bear in Three Zoological Parks of Bangladesh." Bangladesh Journal of Zoology 48, no. 1 (2020): 119–25. http://dx.doi.org/10.3329/bjz.v48i1.47881.

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Forty-two freshly defecated fecal samples from captive Asiatic Black Bear (Ursus thibetanus) were collected between May 2017 and April 2018 from Bangladesh National Zoo, Dhaka, Shaheed A.H.M. Central Park and Zoo, Rajshahi and Bangabandhu Sheikh Mujib Safari Park, Gazipur. The collected samples were processed by Formol-ether concentration technique. Altogether nine different gastrointestinal (GI) parasites were observed and identified, which include one protozoan, Coccidia spp. (42.86%); four cestodes, Hymenolepis spp. (42.86%), Diphyllobothrium spp. (28.57%), Spirometra spp. (14.29%) and Taen

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INNES, E. A., and A. N. VERMEULEN. "Vaccination as a control strategy against the coccidial parasitesEimeria,ToxoplasmaandNeospora." Parasitology 133, S2 (2006): S145—S168. http://dx.doi.org/10.1017/s0031182006001855.

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The protozoan parasitesEimeriaspp.Toxoplasma gondiiandNeospora caninumare significant causes of disease in livestock worldwide andT. gondiiis also an important human pathogen. Drugs have been used with varying success to help control aspects of these diseases and commercial vaccines are available for all three groups of parasites. However, there are issues with increasing development of resistance to many of the anti-coccidial drugs used to help control avian eimeriosis and public concerns about the use of drugs in food animals. In addition there are no drugs available that can act against the

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Dubinský, P., Z. Vasilková, Z. Hurníková, M. Miterpáková, J. Slamečka, and R. Jurčík. "Parasitic infections of the European brown hare (Lepus europaeus Pallas, 1778) in south -western Slovakia." Helminthologia 47, no. 4 (2010): 219–25. http://dx.doi.org/10.2478/s11687-010-0034-7.

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AbstractA total of 74 European brown hares (Lepus europaeus Pallas, 1778), hunted during the winter seasons of 2006 and 2007, were examined by dissection for the presence of helminths and coprologically for protozoa. The animals came from five districts with a high population density of this species. Our results revealed 54.5 % of specimens being infected with one or more helminth species and a high prevalence of eimeriid coccidia (91.89 %). The most prevalent helminth species was Trichuris leporis (55.41 %). Lower prevalence was found for Passalurus ambiguus (12.16 %) and Trichostrongylus ret

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Lillehoj, H. S., and J. M. Trout. "Avian gut-associated lymphoid tissues and intestinal immune responses to Eimeria parasites." Clinical Microbiology Reviews 9, no. 3 (1996): 349–60. http://dx.doi.org/10.1128/cmr.9.3.349.

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Coccidiosis, an intestinal infection caused by intracellular protozoan parasites belonging to several different species of Eimeria, seriously impairs the growth and feed utilization of livestock and poultry. Host immune responses to coccidial infection are complex. Animals infected with Eimeria spp. produce parasite-specific antibodies in both the circulation and mucosal secretions. However, it appears that antibody-mediated responses play a minor role in protection against coccidiosis. Furthermore, there is increasing evidence that cell-mediated immunity plays a major role in resistance to in

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Pilarczyk, B., A. Pilarczyk, W. Kozak, and A. Ramisz. "Occurrence of endoparasites in heifers imported to Poland from the Netherlands (Short Communication)." Archives Animal Breeding 52, no. 3 (2009): 265–71. http://dx.doi.org/10.5194/aab-52-265-2009.

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Abstract. Prevalence of gastrointestinal parasites was studied in 106 heifers imported to Poland from the Netherlands. Prevalence of gastrointestinal nematodes and Eimeria protozoans was determined from coproscopic examinations using Willis-Schlaf flotation. The species composition of coccidia was determined from morphological characters and the time of oocyst sporulation. Fluke liver eggs were detected by decantation. The study showed the mean prevalence of Eimeria protozoans in the heifers imported from the Netherlands to Poland to be 17.92 %; the mean prevalences of Cryptosporidium sp. (11.

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Troche, Catalina, Susan D. Eicher, and Todd J. Applegate. "The influence of dietary zinc source and coccidial vaccine exposure on intracellular zinc homeostasis and immune status in broiler chickens." British Journal of Nutrition 114, no. 2 (2015): 202–12. http://dx.doi.org/10.1017/s0007114515001592.

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Coccidia are protozoal parasites which compromise mucosal integrity of the intestine, potentiating poultry morbidity. The host's Zn status influences the course of infection. Therefore, two experiments were designed to determine how supplemental Zn regimens impacted jejunal and caecal immune status and Zn transporter expression. Coccivac®-B was administered weekly at ten times the recommended dose as a mild coccidial challenge (10CV). Zn was provided through a basal diet, supplemental zinc sulfate (ZnSO4), or a supplemental 1:1 blend of ZnSO4 and Availa®-Zn (Blend). Mucosal jejunum (Expt 1) an

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Bartosik, Justyna, Karolina Dziwirek, Jacek Łojek, Justyna Kaczyk, and Paweł Górski. "Prevalence of intestinal parasite infection in dogs from selected rural areas of central and southern Poland." Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego 13, no. 1 (2017): 61–69. http://dx.doi.org/10.5604/01.3001.0013.5321.

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The main aim of the study was to compare parasites of dogs living in rural areas of selected counties of the Masovian and Małopolska Voivodeships. Furthermore, the prevalence of intestinal parasite infection was determined in relation to selected factors (sex and season). The research was carried out from October 2015 to May 2016. A total of 207 faecal samples were analysed by the flotation method and by direct smears. Infection by protozoa and nematodes was observed. The mean prevalence was 17.8% for Giardia intestinalis, 0.9% for coccidia of the genus Cystoisospora, 7.2% for Toxocara canis,

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Kasper, Lloyd H., and Imtiaz A. Khan. "Antigen-Specific CD8+ T Cells Protect against Lethal Toxoplasmosis in Mice Infected with Neospora caninum." Infection and Immunity 66, no. 4 (1998): 1554–60. http://dx.doi.org/10.1128/iai.66.4.1554-1560.1998.

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ABSTRACT Neospora caninum is a coccidial protozoan parasite that appears morphologically indistinguishable from Toxoplasma gondii and that infects a large range of mammals. Both inbred and outbred strains of mice exhibit a high degree of resistance to infection with N. caninum. Three inbred strains of mice (A/J, BALB/c, and C57BL/6) that were infected intraperitoneally withN. caninum were protected against a lethal challenge fromT. gondii. Vaccine-induced protection wasNeospora dose dependent. A rise in the CD8+T-cell population in mice that had been vaccinated with N. caninum and challenged w

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Martino, P., N. Radman, E. Parrado, et al. "Note on the occurrence of parasites of the wild nutria (Myocastor coypus, Molina, 1782)." Helminthologia 49, no. 3 (2012): 164–68. http://dx.doi.org/10.2478/s11687-012-0033-y.

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AbstractWe examined the endoparasites of wild nutria from the native region of South America. Individuals were infected with nineteen species, including Nematoda (82.0 %), Protozoa (46.1 %), Trematoda (33.3 %) and Cestoda (12.8%). Coccidia (Eimeria sp. or Isospora sp.), Strongyloides myopotami and Trichuris myocastoris were the most abundant and prevalent parasites. The diversity of parasite collected on individual hosts ranged from one to four species. There was no significant association between either the age or the sex of the nutria and the prevalence of parasitism, except that the number

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Putignani, Lorenza, and Donato Menichella. "Global Distribution, Public Health and Clinical Impact of the Protozoan PathogenCryptosporidium." Interdisciplinary Perspectives on Infectious Diseases 2010 (2010): 1–39. http://dx.doi.org/10.1155/2010/753512.

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Cryptosporidiumspp. are coccidians, oocysts-forming apicomplexan protozoa, which complete their life cycle both in humans and animals, through zoonotic and anthroponotic transmission, causing cryptosporidiosis. The global burden of this disease is still underascertained, due to a conundrum transmission modality, only partially unveiled, and on a plethora of detection systems still inadequate or only partially applied for worldwide surveillance. In children, cryptosporidiosis encumber is even less recorded and often misidentified due to physiological reasons such as early-age unpaired immunolog

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Borkovcová, Marie. "Parasitocenoses in productional rodent breeds in Czech Republic." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 57, no. 1 (2009): 27–34. http://dx.doi.org/10.11118/actaun200957010027.

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Aim of this work was to monitor the occurrence of most common parasites of rodents in 13 commercial and hobby breeds. Most often detected protozoans belonged to generaGiardia,EimeriaandCryptosporidium,tapewormsHymenolepis nanaandH. diminuta, nematodsSyphacia obvelataandAspiculuris tetrapteraand mitesOrnithonyssus bacoti,Laelaps hilarisandNotoedres muris.Diseases broke out mainly during summer months. In animals with clinical signs of illnesses there was an expectation of parasite presence, and most of them were nematods – 80%, tapeworms – 45.2%, protozoans – 41.1% and ectoparasites – 22%. S

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Barbosa, Alynne S., Otilio M. P. Bastos, Laís V. Dib, et al. "Gastrointestinal parasites of swine raised in different management systems in the State of Rio de Janeiro, Brazil." Pesquisa Veterinária Brasileira 35, no. 12 (2015): 941–46. http://dx.doi.org/10.1590/s0100-736x2015001200001.

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Abstract: From 2012 to 2013 were surveyed gastrointestinal parasites from pig farms located in different municpaliyies in the state of Rio de Janeiro. Fecal samples from 790 pigs were collected from the rectum on 88 family farms and 702 farms with industrial production. The samples were subjected to Faust et al., Sheather, Ritchie, Lutz and direct examination faecal techniques. The estimated parasite prevalence was 93.1% in family farms and 59.1% in industrial farms. Balantidium coli, coccidia and Entamoeba sp. were the parasites with the highest frequencies, and the male and female reproducti

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Souza, Janaína Lima de, Alynne da Silva Barbosa, Adriana Prado Vazon, et al. "Parasitological and immunological diagnoses from feces of captive-bred snakes at Vital Brazil Institute." Revista Brasileira de Parasitologia Veterinária 23, no. 2 (2014): 123–28. http://dx.doi.org/10.1590/s1984-29612014032.

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Fecal samples from 56 snakes at the Vital Brazil Institute, in the city of Niterói, Rio de Janeiro, were tested using the sedimentation and flotation techniques to investigate the evolutionary forms of parasites such as helminths and protozoa, and using enzyme immunoassay techniques to detect antigens of Cryptosporidium sp. and Giardiasp. Among the animals tested, 80.3% were positive for parasites. Out of these, there were 16 Bothrops jararaca, 16 B. jararacussu and 13 Crotalus durissus. The prevalence of parasitic nematodes was 41.1%, and nematodes were found in all three snake species. Among

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Collins, Richard. "Protozoan parasites of the intestinal tract: A review of Coccidia and Microsporida." Journal of the American Osteopathic Association 97, no. 10 (1997): 593. http://dx.doi.org/10.7556/jaoa.1997.97.10.593.

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Hallinger, Malek J., Anja Taubert, and Carlos Hermosilla. "Endoparasites infecting exotic captive amphibian pet and zoo animals (Anura, Caudata) in Germany." Parasitology Research 119, no. 11 (2020): 3659–73. http://dx.doi.org/10.1007/s00436-020-06876-0.

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Abstract Alongside exotic reptiles, amphibians, such as toads, frogs, salamanders, and newts, are nowadays considered popular pets worldwide. As reported for other exotic pet animals, amphibians are known to harbor numerous gastrointestinal parasites. Nonetheless, very little data are available on captive amphibian parasitic diseases. In this study, we applied direct saline fecal smears (DSFS) to examine in total 161 stool samples from 41 different amphibian species belonging to the orders Anura and Caudata. In addition, carbolfuchsin-smear (CFS) staining (n = 74 samples) was used to detect am

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Walliker, D. "Implications of genetic exchange in the study of protozoan infections." Parasitology 99, S1 (1989): S49—S58. http://dx.doi.org/10.1017/s0031182000083414.

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SUMMARYGenetic exchange is now known to occur during the life-cycle of many parasitic protozoa, including malaria parasites, coccidia and trypanosomes. The process is studied by making deliberate crosses between cloned organisms differing in clearly defined markers. In malaria parasites, crosses have been made between parasites differing in characters such as isoenzymes, antigens and other proteins, drug sensitivity, and chromosome and other DNA polymorphisms. Crosses are made by transmitting a mixture of gametes of each clone through mosquitoes to allow cross-fertilization to take place, and

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WITCOMBE, DAVID M., and NICHOLAS C. SMITH. "Strategies for anti-coccidial prophylaxis." Parasitology 141, no. 11 (2014): 1379–89. http://dx.doi.org/10.1017/s0031182014000195.

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SUMMARYCoccidiosis, a serious disease resulting from infection with parasitic protozoa of the genusEimeria, causes significant economic losses to the poultry industry, where intensive rearing facilitates transmission of infectious oocysts via the fecal/oral route. Current control relies primarily on prophylactic drugs in feed but, whilst cost effective, the rise of drug resistance and public demands for residue-free meat has encouraged development of alternative control strategies. Chickens that recover from infection withEimeriadevelop solid immunity that is directed against the early asexual

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Ferreira, Filipa Santana, Filomena da Luz Martins Pereira, and Maria do Rosário Oliveira Martins. "Intestinal parasitic infections in children under five in the Central Hospital of Nampula, Northern Mozambique." Journal of Infection in Developing Countries 14, no. 05 (2020): 532–39. http://dx.doi.org/10.3855/jidc.11620.

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Introduction: Intestinal parasites are known to cause infection in humans worldwide, with higher prevalence in low- and middle- incoming countries. Children are greatly affected leading to malnutrition and subsequently to physical and cognitive development impairment. Despite the scale and importance of this issue, there are few studies conducted in Mozambique concerning parasitic intestinal infections in hospitalized children. To our knowledge this is the first published report with data on this subject from Northern Mozambique. Methodology: A cross-sectional study was conducted in 2012

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Costa, G., K. MacKenzie, and A. W. Pike. "New Host and Locality Records for Two Protozoan (Myxosporea, Coccidia) Parasites of Marine Fishes." Journal of Parasitology 77, no. 2 (1991): 318. http://dx.doi.org/10.2307/3283105.

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Gurung, Amrit, and Janak Raj Subedi. "Prevalence of gastrointestinal parasites of pigeons (Columba sp. Linnaeus, 1758) in three temples of Pokhara valley, Nepal." Journal of Natural History Museum 30 (December 1, 2018): 287–93. http://dx.doi.org/10.3126/jnhm.v30i0.27604.

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The present study was conducted to determine the general prevalence, identification, compare area-wise as well as infection-wise prevalence and find out activities on health care of pigeon (Columba sp.) in three temples viz. Bhadrakali temple, Bindhyabasini temple and Tal Barahi temple of Pokhara valley. Iodine wet mount and different concentration technique (floatation and sedimentation) were used for faecal qualitative tests whereas verbally administered questionnaires for interview and Microsoft Excel and “R” software packages were used inanalyzing data. Out of 120 faecal samples collected

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Úngari, Letícia Pereira, Edward Charles Netherlands, André Luiz Quagliatto Santos, et al. "A new species, Dactylosoma piperis n. sp. (Apicomplexa, Dactylosomatidae), from the pepper frog Leptodactylus labyrinthicus (Anura, Leptodactylidae) from Mato Grosso State, Brazil." Parasite 27 (2020): 73. http://dx.doi.org/10.1051/parasite/2020070.

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The Dactylosomatidae Jakowska and Negrelli, 1955 are one of four families belonging to adeleorinid coccidia and comprise the genera Babesiosoma Jakowska and Nigrelli, 1956 and Dactylosoma Labbé, 1894. These blood protozoa occur in peripheral blood of lower vertebrates, and are commonly reported parasitising amphibians. The present study describes Dactylosoma piperis n. sp. from the pepper frog Leptodactylus labyrinthicus (Spix, 1824) (Anura: Leptodactylidae), collected in 2018 at the municipality of Araguaiana, Mato Grosso State, Brazil, based on morphology of intra-erythrocytic trophozoite, p

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Gunathilaka, Nayana, Dimuthu Niroshana, Deepika Amarasinghe, and Lahiru Udayanga. "Prevalence of Gastrointestinal Parasitic Infections and Assessment of Deworming Program among Cattle and Buffaloes in Gampaha District, Sri Lanka." BioMed Research International 2018 (October 9, 2018): 1–10. http://dx.doi.org/10.1155/2018/3048373.

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Gastrointestinal (GI) parasitic infection is a serious issue in cattle management. The effects of GI parasites may vary with age, sex of cattle, nutritional condition, and severity of infection. Prevalence of GI parasites among cattle population in Gampaha District has not been studied and there is no published study available. A total of 45 farms rearing cattle were selected randomly in three areas, namely, Kelaniya, Ganemulla, and Welisara, under three Veterinary Surgeon Divisions (VSD) in Gampaha District (Mahara, Gampaha, and Welisara). Freshly voided cattle fecal samples were collected ra

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Fuller, Claire A. "Variable levels of immunity to experimental Eimetia arizonensis infections in natural, seminatural, and laboratory populations of deer mice (Peromyscus maniculatus)." Canadian Journal of Zoology 74, no. 4 (1996): 750–57. http://dx.doi.org/10.1139/z96-085.

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Acquired immunity to parasites may affect both host and parasite population dynamics. Although immunity has been studied experimentally in laboratory-reared hosts, less attention has focused on free-living animals. I examined acquired immunity of free-living deer mice (Peromyscus maniculatus) to naturally occurring and experimental infections of Eimeria arizonensis (Protozoa: Coccidia). In a mark – recapture study, I found evidence of complete immunity to natural infections in only 1 of 3 years and evidence of partial immunity in all years. I subsequently examined partial immunity to experimen

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Hadjilouka, Agni, and Dimitris Tsaltas. "Cyclospora Cayetanensis—Major Outbreaks from Ready to Eat Fresh Fruits and Vegetables." Foods 9, no. 11 (2020): 1703. http://dx.doi.org/10.3390/foods9111703.

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Cyclospora cayetanensis is a coccidian protozoan that causes cyclosporiasis, a severe gastroenteric disease, especially for immunocompromised patients, children, and the elderly. The parasite is considered as an emerging organism and a major contributor of gastroenteritis worldwide. Although the global prevalence of cyclosporiasis morbidity and mortality has not been assessed, global concern has arisen since diarrheal illness and gastroenteritis significantly affect both developing countries and industrialized nations. In the last two decades, an increasing number of foodborne outbreaks has be

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