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Resistance of Cryptosporidium parvum oocysts following commercial bleach treatment

Surl CG, Jung BD, Park BK, Kim HC

  • KMID: 1446201
  • Korean J Vet Res.
  • 2011 Jun;51(2):101-105.
We investigate the resistance of Cryptosporidium (C.) parvum oocysts to commercial bleach treatment. The viability and infectivity of C. parvum oocysts suspended in 100, 50, 25, 12.5, 6.3 or 3.2%...
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Viability of preserved Cryptosporidium baileyi oocysts

Surl CG, Kim SM, Kim HC

The present study was undertaken to determine the viability and infectivity of oocysts of Cryptosporidium baileyi that had been stored from 1 to 40 months at 4 degrees C preserved...
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A Survey of Cryptosporidium Oocysts in Water Supplies during a 10-Year Period (2000-2009) in Seoul

Lee MY, Cho EJ, Lee JH, Han SH, Park YS

This study has been conducted to estimate the occurrence of Cryptosporidium oocysts in water supplies in the Metropolitan area of Seoul, South Korea, for 10 years from 2000 to 2009....
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Prevalence of Cryptosporidium sp. infection in diarrheic and non-diarrheic humans in Iran

Mirzaei M

For evaluation of the prevalence of Cryptosporidium sp. infection in diarrheic and non-diarrheic humans in Iran, fecal specimens from diarrheic (n = 129) and non-diarrheic humans (n = 271) were...
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Loss of infectivity of Neospora caninum oocysts maintained for a prolonged time

Uzeda RS, Costa KS, Santos SL, Pinheiro A, Almeida MA, McAllister MM, Gondim LF

The purpose of this study was to investigate whether sporulated Neospora caninum oocysts, which had been stored for 46 mo in a 2% sulfuric acid solution at 4 degrees C,...
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Excretion of Toxoplasma gondii oocysts from Feral Cats in Korea

Ahn KS, Ahn AJ, Park SI, Sohn WM, Shim JH, Shin SS

Sporulated oocysts from the feces of infected cats with Toxoplasma gondii can cause detrimental disease in both humans and animals. To investigate the prevalence of feral cats that excrete T....
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Concurrent response to challenge infection with Cryptosporidium parvum in immunosuppressed C57BL/6N mice

Surl CG, Kim HC

We investigated the response to challenge infection with Cryptosporidium parvum oocysts in immunosuppressed C57BL/6N mice. In the primary infection, fecal oocyst shedding and parasite colonization were greater in immunosuppressed mice...
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A Waterborne Outbreak and Detection of Cryptosporidium Oocysts in Drinking Water of an Older High-Rise Apartment Complex in Seoul

Cho EJ, Yang JY, Lee ES, Kim SC, Cha SY, Kim ST, Lee MH, Han SH, Park YS

From May to June 2012, a waterborne outbreak of 124 cases of cryptosporidiosis occurred in the plumbing systems of an older high-rise apartment complex in Seoul, Republic of Korea. The...
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Anticoccidial effects of the root bark of Dictamnus dasycarpus Turcz extract on experimental Eimeria tenella infection

Hong S, Lee HA, Kim DW, Oh GW, Kim O

Anticoccidial effects of the root bark of Dictamnus dasycarpus Turcz (Rutaceae) extract (DDE) were evaluated in chickens following oral infection with Eimeria (E.) tenella. Three-day-old chickens (n=30) were assigned to...
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Anticoccidial effects of the Plantago asiatica extract on experimental Eimeria tenella infection

Hong S, Oh GW, Kang WG, Kim O

Anticoccidial effects of the Plantago asiatica extract (PAE) were evaluated in chickens following oral infection with Eimeria (E.) tenella. This study was conducted on the 3-day-old chickens (n=30). Those animals...
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Effects of Different Sizes of Glass Beads on the Release of Sporocysts from Eimeria tenella Oocysts

You MJ

  • KMID: 1792189
  • Korean J Parasitol.
  • 2014 Jun;52(3):317-319.
The oocyst wall is severed by means of mechanical injury or chemical agents. This study reports the percentage of in vitro sporocyst release following mechanical shaking in the presence of...
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Occurrence of Cryptosporidium and Giardia and the Relationship between Protozoa and Water Quality Indicators in Swimming Pools

Xiao S, Yin P, Zhang Y, Hu S

A total of 60 samples were collected from 35 swimming pools in Beijing, China, and the presence of Cryptosporidium and Giardia were investigated. The results showed that 16.7% and 15.0%...
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Prevalence of Enteric Protozoan Oocysts with Special Reference to Sarcocystis cruzi among Fecal Samples of Diarrheic Immunodeficient Patients in Iran

Agholi M, Shahabadi , Motazedian MH, Hatam GR

The genus Sarcocystis is not usually considered as an important enteric pathogen in immune compromised patients. It might be expected that species for which humans are the final host (Sarcocystis...
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Comparison of Resistance to gamma-Irradiation between Cryptosporidium parvum and Cryptosporidium muris Using In Vivo Infection

Yoon S, Yu JR

In the genus Cryptosporidium, there are more than 14 species with different sizes and habitats, as well as different hosts. Among these, C. parvum and C. hominis are known to...
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An animal model using Eimeria live vaccine and to study coccidiosis protozoa pathogenesis

Lee HA, Hong S, Choe O, Kim O

  • KMID: 1991807
  • Korean J Vet Res.
  • 2011 Sep;51(3):249-252.
Cell culture systems for the protozoan Eimeria are not yet available. The present study was conducted to develop an animal model system by inoculating animals with a live Eimeria vaccine....
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Anticoccidial effects of Galla rhois extract on Eimeria tenella-infected chicken

Lee HA, Hong S, Chung YH, Song KD, Kim O

Anticoccidial effects of Galla rhois (GR) extract were evaluated in chickens after oral infection with Eimeria tenella. This study was performed using 3-day-old chickens (n=30). The animals were divided into...
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Ultrastructural Changes in Cryptosporidium parvum Oocysts by Gamma Irradiation

Joung M, Yun S, Joung M, Park WY, Yu JR

Cryptosporidium parvum is known as one of the most highly resistant parasites to gamma irradiation. To morphologically have an insight on the radioresistance of this parasite, ultrastructural changes in C....
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Cryptosporidium Oocyst Detection in Water Samples: Floatation Technique Enhanced with Immunofluorescence Is as Effective as Immunomagnetic Separation Method

Koompapong K, Sutthikornchai C, Sukthana Y

Cryptosporidium can cause gastrointestinal diseases worldwide, consequently posing public health problems and economic burden. Effective techniques for detecting contaminated oocysts in water are important to prevent and control the contamination....
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Fecal and Molecular Survey of Neospora caninum in Farm and Household Dogs in Mashhad Area, Khorasan Province, Iran

Razmi G

Neospora caninum is an important cause of abortion in dairy cattle worldwide. Dog is the definitive host for N. caninum and can infect dairy cattle. The aim of this study...
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Anti-coccidial activity of the ethanol extract of Tribulus terrestris fruits on Eimeria tenella

Hong S, Moon MN, Im EK, Won JS, Yoo JH, Kim O

Anti-coccidial effects of the fruits of Tribulus terrestris (Tribuli fructus) ethanol extract (TTE) were studied with animal experiment following per oral administration with Eimeria (E.) tenella. This experiment was performed...
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