Eimeria spp. infection in lambs from southern Brazil

被引:0
|
作者
Martins, Natalia S. [1 ]
da Motta, Sara P. [1 ]
Santos, Carolina C. [1 ]
Moreira, Andrios S. [1 ]
Farias, Nara A. R. [2 ]
Ruas, Jeronimo L. [3 ]
机构
[1] Univ Fed Pelotas UFPel, Dept Microbiol & Parasitol, Grad Program Microbiol & Parasitol, Av Eliseu Maciel S-N, BR-96160000 Capao Do Leao, RS, Brazil
[2] Univ Fed Pelotas UFPel, Inst Biol, Dept Microbiol & Parasitol, Campus Univ,Travessa Andre Dreyfus S-N, BR-96010900 Capao Do Leao, RS, Brazil
[3] Univ Fed Pelotas UFPel, Lab Reg Diagnost, Av Eliseu Maciel S-N, BR-96160000 Capao Do Leao, RS, Brazil
来源
PESQUISA VETERINARIA BRASILEIRA | 2020年 / 40卷 / 11期
关键词
Infection; lambs; Brazil; sheep industry; coccidiosis; Eimeria crandallis; Eimeria ovinoidalis; SHEEP;
D O I
10.1590/1678-5150-PVB-6745
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
N.S., Motta S.P., Santos C.C., Moreira A.S., Farias N.A.R. & Ruas J.L. 2020. Eimeria spp. infection in lambs from southern Brazil. Pesquisa Veterinaria Brasileira 40(11):871-874. Departamento de Microbiologia e Parasitologia, Instituto de Biologia, Universidade Federal de Pelotas, Campus Universitario, Travessa Andre Dreyfus s/n, CapAo do LeAo, RS 96010-900, Brazil. E-mail: jeronimo.ruas@gmail.com Eimeria infections are common in the sheep industry worldwide. Lambs are more susceptible to coccidiosis, especially in stressful conditions, being infected by different species of the parasite. Eimeria crandallis and Eimeria ovinoidalis are considered the most pathogenic, causing reduced growth, dehydration, anorexia, and death. In this study, the frequency of Eimeria species was evaluated in lambs from the southern region of the Rio Grande do Sul state, Brazil. Fecal samples from 248 lambs, from 19 farms, were tested for the presence of oocysts. The positive samples were re-examined and the sporulated oocysts analyzed morphometrically to identify the presence of Eimeria species. In 100% of the evaluated farms, there were animals positive for the protozoan. The frequency of Eimeria species was: E. ovinoidalis (94.74%), E. crandallis (89.47%), E. granulosa (78.95%), E. parva (68.42%), E. ahsata (63.13%), E. punctata (42.11%), E. bakuensis (36.84%), E. faurei (10.53%), and E. pallida (5.26%). Mixed infection was found in 94.74% of the samples. This research describes, for the first time, the occurrence of E. crandallis and E. ovinoidalis infecting lambs in the study area. The wide distribution of this protozoan and the high frequency of pathogenic species show the importance and potential damage of sheep coccidiosis in herds from Rio Grande do Sul.
引用
收藏
页码:871 / 874
页数:4
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