Biological characteristics of a precocious line of Eimeria tenella

被引：1

作者：

Gong, Zhenxing ^{[1
,2
]}

Qu, Zigang ^{[3
]}

Wei, Hongmei ^{[2
]}

Chang, Fang ^{[2
]}

Cai, Jianping ^{[3
]}

机构：

[1] Ningxia Univ, Coll Anim Sci & Technol, Yinchuan 750021, Ningxia Provinc, Peoples R China

[2] China Agr Vet Bio Sci & Technol Co Ltd, Lanzhou 730046, Gansu, Peoples R China

[3] Chinese Acad Agr Sci, Innovat Res Program Gastrointestinal Infect & Muco, Key Lab Vet Parasitol Gansu Prov, Lanzhou Vet Res Inst,State Key Lab Vet Etiol Biol, Lanzhou 730046, Gansu, Peoples R China

来源：

PARASITOLOGY RESEARCH | 2024年 / 123卷 / 03期

关键词：

Eimeria tenella; Precocious line; Biological characteristics; ATTENUATED VACCINE; AVIAN COCCIDIOSIS; STRAIN; SELECTION; CHICKENS;

D O I：

10.1007/s00436-024-08190-5

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

The Eimeria tenella Yulin strain (EtYL), which is sensitive to most anti-coccidial drugs, was isolated in the Yulin area of Guangxi, China. Then, Eimeria tenella Yulin precocious line (pEtYL), a precocious line with a prepatent period of 108 h, was obtained through early selection. The biological characteristics of pEtYL, including its morphology, purity, oocyst excretion curve, reproductive capacity, pathogenicity, immunogenicity, and preservation time, were comprehensively analyzed. The results showed that the isolated precocious line of E. tenella exhibited high purity, relatively weak pathogenicity, and good immunogenicity and can be used as a live vaccine line for chicken coccidiosis.

引用

页数：9

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