Academic literature on the topic 'Chickens Eimeria tenella'

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Journal articles on the topic "Chickens Eimeria tenella"

1

del Cacho, Emilio, Margarita Gallego, Sung Hyen Lee, et al. "Induction of Protective Immunity against Eimeria tenella, Eimeria maxima, and Eimeria acervulina Infections Using Dendritic Cell-Derived Exosomes." Infection and Immunity 80, no. 5 (2012): 1909–16. http://dx.doi.org/10.1128/iai.06413-11.

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ABSTRACTThis study describes a novel immunization strategy against avian coccidiosis using exosomes derived fromEimeriaparasite antigen (Ag)-loaded dendritic cells (DCs). Chicken intestinal DCs were isolated and pulsedin vitrowith a mixture of sporozoite-extracted Ags fromEimeria tenella,E. maxima, andE. acervulina, and the cell-derived exosomes were isolated. Chickens were nonimmunized or immunized intramuscularly with exosomes and subsequently noninfected or coinfected withE. tenella,E. maxima, andE. acervulinaoocysts. Immune parameters compared among the nonimmunized/noninfected, nonimmuniz
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2

Song, Xingju, Xu Yang, Taotao Zhang, Jing Liu, and Qun Liu. "A Novel Rhoptry Protein as Candidate Vaccine against Eimeria tenella Infection." Vaccines 8, no. 3 (2020): 452. http://dx.doi.org/10.3390/vaccines8030452.

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Eimeria tenella (E. tenella) is a highly pathogenic and prevalent species of Eimeria that infects chickens, and it causes a considerable disease burden worldwide. The secreted proteins and surface antigens of E. tenella at the sporozoite stage play an essential role in the host–parasite interaction, which involves attachment and invasion, and these interactions are considered vaccine candidates based on the strategy of cutting off the invasion pathway to interrupt infection. We selected two highly expressed surface antigens (SAGs; Et-SAG13 and Et-SAG) and two highly expressed secreted antigens
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Laurent, Fabrice, Roselyne Mancassola, Sonia Lacroix, Rita Menezes, and Muriel Naciri. "Analysis of Chicken Mucosal Immune Response to Eimeria tenella and Eimeria maxima Infection by Quantitative Reverse Transcription-PCR." Infection and Immunity 69, no. 4 (2001): 2527–34. http://dx.doi.org/10.1128/iai.69.4.2527-2534.2001.

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ABSTRACT The recent cloning of chicken genes coding for interleukins, chemokines, and other proteins involved in immune regulation and inflammation allowed us to analyze their expression during infection with Eimeria. The expression levels of different genes in jejunal and cecal RNA extracts isolated from uninfected chickens and chickens infected with Eimeria maxima or E. tenella were measured using a precise quantitative reverse transcription-PCR technique. Seven days after E. tenellainfection, expression of the proinflammatory cytokine interleukin-1β (IL-1β) mRNA was increased 80-fold. Among
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4

McKenzie, M. E., Joyce Johnson, and P. L. Long. "Lethality of intestinal tissue extracts from Eimeria-infected chickens." Parasitology 90, no. 3 (1985): 565–72. http://dx.doi.org/10.1017/s0031182000055554.

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Evidence exists that lethal activity is associated with extracts from Eimeria tenella-infected caecal tissues. We examined tissues of the small intestine infected with other species of Eimeria for a similar lethal activity. Extracts were prepared from intestinal tissues of chickens infected with either E. acervulina, E. brunetti, E. maxima, E. mitis or E. necatrix. Appropriate control extracts from tissues of non-infected chickens were also prepared. Intravenous injection of the extracts into healthy chickens showed that lethality of infected tissue extracts was higher than control extracts an
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Wattrang, Eva, Per Thebo, Osama Ibrahim, Tina Sørensen Dalgaard, and Anna Lundén. "Parasite-specific proliferative responses of chicken spleen cells upon in vitro stimulation with Eimeria tenella antigen." Parasitology 146, no. 5 (2018): 625–33. http://dx.doi.org/10.1017/s0031182018001877.

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AbstractThis study aimed to set up methodology to monitor parasite-specific T-cell activation in vitro using Eimeria tenella-infected chickens. A sonicated E. tenella sporozoite protein preparation was used for the activation of chicken spleen cell cultures. Proliferation assessed by 3H-thymidin incorporation or blast transformation of T-cells assessed by immunofluorescence labelling and flow cytometry were used as read-outs for activation. Results showed that E. tenella-specific proliferation was detected in cultures of spleen cells collected in a ‘window’ between 8 and 14 days after primary
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Wang, Xiaohui, Wenbin Zou, Hailiang Yu, et al. "RNA Sequencing Analysis of Chicken Cecum Tissues Following Eimeria tenella Infection in Vivo." Genes 10, no. 6 (2019): 420. http://dx.doi.org/10.3390/genes10060420.

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Eimeria tenella (E. tenella) is one of the most frequent and pathogenic species of protozoan parasites of the genus Eimeria that exclusively occupies the cecum, exerting a high economic impact on the poultry industry. To investigate differentially expressed genes (DEGs) in the cecal tissue of Jinghai yellow chickens infected with E. tenella, the molecular response process, and the immune response mechanism during coccidial infection, RNA-seq was used to analyze the cecal tissues of an E. tenella infection group (JS) and an uninfected group (JC) on the seventh day post-infection. The DEGs were
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7

Jeffers, T. K., and P. L. Long. "Eimeria tenella: Immunogenicity of arrested sporozoites in chickens." Experimental Parasitology 60, no. 2 (1985): 175–80. http://dx.doi.org/10.1016/0014-4894(85)90021-9.

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8

Nguyen, Binh Thanh, Rochelle Alipio Flores, Paula Leona Taymen Cammayo, Suk Kim, Woo Hyun Kim, and Wongi Min. "Anticoccidial Activity of Berberine against Eimeria-Infected Chickens." Korean Journal of Parasitology 59, no. 4 (2021): 403–8. http://dx.doi.org/10.3347/kjp.2021.59.4.403.

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Avian coccidiosis has a major economic impact on the poultry industry, it is caused by 7 species of Eimeria, and has been primarily controlled using chemotherapeutic agents. Due to the emergence of drug-resistant strains, alternative control strategies are needed. We assessed anticoccidial effects of berberine-based diets in broiler chickens following oral infection with 5 Eimeria species (E. acervulina, E. maxima, E. tenella, E. mitis, and E. praecox). When 0.2% berberine, a concentration that does not affect weight gain, was added to the diet, the 4 groups infected with E. acervulina, E. ten
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Hamid, Penny Humaidah, Yuli Purwandari Kristianingrum, April Hari Wardhana, Sigit Prastowo, and Liliana Machado Ribeiro da Silva. "Chicken Coccidiosis in Central Java, Indonesia: A Recent Update." Veterinary Medicine International 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/8515812.

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Avian coccidiosis is a huge problem worldwide. Heavily infected animals that show severe clinical signs and coccidiostat resistance are causing important economic losses. The present study aimed to update the recent cases of coccidiosis in Central Java, Indonesia, and to show the importance of the disease in the region. A total of 699 samples were obtained from different chicken breed. Different Eimeria species were detected in 175 individuals (25.04%). Three different groups of chicken breed were considered: local chicken (autochthonous chickens of Sentul and Jawa), commercial broiler, and la
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Reksa, Talita Yuanda, Poedji Hastutiek, Hana Eliyani, Kusnoto Kusnoto, and Mufasirin Mufasirin. "The Prevalance of Gastrointestinal Tract Protozoa Using Fecal Examination in Local Chicken(Gallus domesticus) Located in Kramat Village, District of Bangkalan, Bangkalan Regency." Journal of Parasite Science 2, no. 1 (2019): 9. http://dx.doi.org/10.20473/jops.v2i1.16378.

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The aim of this research is to identify the prevalence of gastrointestinal track protozoa in local chicken (Gallus domesticus) located in Kramat Village, District of Bangkalan, Bangkalan Regency using fecal examination. The number of sample used were 140 including 70 samples from rice fields location and 70 samples from fisheries location. The result showed that 54 (38.6%) local chickens were infected by species of Eimeria; E. acervulina (2.5%), E. brunetti (22.8%), E. maxima (46.8%), E. mitis (1.3%), E. necatrix (22.8%), E. praecox (2.5%), and E. tenella (1.3%). The result was made of 16 (22.
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