دورية أكاديمية
Pathogenicity and drug resistance of the Eimeria tenella isolate from Yiwu, Zhejiang province, eastern China.
| العنوان: | Pathogenicity and drug resistance of the Eimeria tenella isolate from Yiwu, Zhejiang province, eastern China. |
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| المؤلفون: | Sun H; Department of Animal Parasitology, Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang Province 310021, PR China., Su X; Department of Animal Parasitology, Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang Province 310021, PR China; Department of Animal Parasitology, College of Animal ＆Veterinary Sciences, Southwest Minzu University, Chengdu, Sichuan Province 610041, PR China., Fu Y; Department of Animal Parasitology, Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang Province 310021, PR China., Hao L; Department of Animal Parasitology, College of Animal ＆Veterinary Sciences, Southwest Minzu University, Chengdu, Sichuan Province 610041, PR China., Zhou W; Department of Veterinary medicine and feed, Zhejiang Provincial Animal Disease Prevention and Control Center, Hangzhou, Zhejiang Province 311199, PR China., Zhou Z; Department of Veterinary medicine and feed, Zhejiang Provincial Animal Disease Prevention and Control Center, Hangzhou, Zhejiang Province 311199, PR China., Huang J; Department of Veterinary medicine and feed, Zhejiang Provincial Animal Disease Prevention and Control Center, Hangzhou, Zhejiang Province 311199, PR China., Wang Y; Hangzhou Caiyang Agricultural Science, Hangzhou, Zhejiang Province 311321, PR China., Shi T; Department of Animal Parasitology, Institute of Animal Husbandry and Veterinary Medicine, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang Province 310021, PR China. Electronic address: lstone2008@126.com. |
| المصدر: | Poultry science [Poult Sci] 2023 Aug; Vol. 102 (8), pp. 102845. Date of Electronic Publication: 2023 Jun 05. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Country of Publication: England NLM ID: 0401150 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1525-3171 (Electronic) Linking ISSN: 00325791 NLM ISO Abbreviation: Poult Sci Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: 2020- : [Cambridge, UK] : Elsevier Original Publication: Champaign Il : Poultry Science Association |
| مواضيع طبية MeSH: | Eimeria tenella* , Coccidiosis*/epidemiology , Coccidiosis*/veterinary , Poultry Diseases*/epidemiology, Animals ; Clopidol ; Nicarbazin ; Virulence ; Chickens ; Weight Gain ; Drug Resistance |
| مستخلص: | Chicken coccidiosis can cause severe enteritis with high mortality, which causes serious economic losses to the global breeding industry each year. The most virulent species is Eimeria tenella (E. tenella), but the infectivity of different E. tenella varies among geographic strains. At present, there are no reports related to the pathogenicity and drug resistance of E. tenella in Yiwu, Zhejiang province, China. A total of 600 fecal samples were collected from 10 farms in Zhejiang province, the overall oocyst prevalence was 54.2% (325/600). The prevalence was significantly higher (P < 0.01) in chickens under 40 d (97.5%) than that in chickens between 60 and 85-days-old (40.5%) and chickens over 90-days-old (24.5%). E. tenella stain was isolated from fecal samples of chickens in Yiwu and the pathogenicity of this isolate was determined, and then we recorded the survival rate, bloody stool score, lesion score, average weight gain. The results showed that all of the chickens infected with 5 × 10 5 sporulated oocysts of E. tenella died after the seventh day of infection, the bloody stool score and average lesion score of chickens from group 1 (5 × 10 5 ), group 2 (5 × 10 4 ), group 3 (5 × 10 3 ) and group 4 (5 × 10 2 ) decreased successively; the average weight gain (g) and relative weight gain (%) increased successively; the weight gain of the low-dose E. tenella infection groups (5 × 10 3 and 5 × 10 2 ) were higher than the other 2 groups (5 × 10 5 and 5 × 10 4 ) (P < 0.05). Finally, The E. tenella isolate was tested for sensitivity to 6 anticoccidial drugs (sulfachloropyrazine sodium, amproline, toltrazuril, clopidol, salinomycin, and nicarbazine) using 4 indexes including anticoccidial index(ACI), percent of optimum anticoccidial activity (POAA), reduction of lesion scores (RLS), and relative oocyst production (ROP). The results showed that this isolate has developed severe resistance to drugs of salinomycin and nicarbazine, moderate resistance to amproline and clopidol, slight resistance to toltrazuril, while the E. tenella isolate performed more sensitive to sulfachloropyrazine sodium. (Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.) |
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| فهرسة مساهمة: | Keywords: Eimeria tenella; drug resistance; isolate; pathogenicity |
| المشرفين على المادة: | 96R84UZ2XA (sulfachlorpyrazine) 8J763HFF5N (Clopidol) 11P9NUA12U (Nicarbazin) |
| تواريخ الأحداث: | Date Created: 20230713 Date Completed: 20230731 Latest Revision: 20230809 |
| رمز التحديث: | 20240628 |
| مُعرف محوري في PubMed: | PMC10404733 |
| DOI: | 10.1016/j.psj.2023.102845 |
| PMID: | 37441842 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1525-3171 |
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| DOI: | 10.1016/j.psj.2023.102845 |