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. 2013:20:50.
doi: 10.1051/parasite/2013052. Epub 2013 Dec 6.

Prevalence and distribution of Eimeria species in broiler chicken farms of different capacities

Adriana Györke  1 , Loredana Pop, Vasile Cozma
Affiliations

Prevalence and distribution of Eimeria species in broiler chicken farms of different capacities

Adriana Györke et al. Parasite. 2013.

Abstract
in English, French

We conducted a survey in broiler farms from Romania to establish prevalence and distribution of Eimeria species using single PCR assay. We found Eimeria spp. in 21 (91%) out of 23 flocks, and in 11 (92%) out of 12 farms. Four species of Eimeria were identified: E. acervulina (21/23; 91%), E. tenella (14/23; 61%), E. maxima (5/23; 22%) and E. praecox (3/23; 13%). Infection with a single species (E. acervulina) was detected in 6 (26%) infected flocks originated from large farms. Mixed infections were found in 15 (65%) flocks and the most prevalent combination was E. acervulina + E. tenella (8/23; 35%). Four flocks (17%) harboured mixed infection with E. acervulina + E. tenella + E. maxima. E. acervulina was significantly more prevalent in flocks that received ionophores as anticoccidial feed additives.

Nous avons mené une enquête dans les élevages de poulets de chair en Roumanie pour établir la prévalence et la répartition des espèces d’Eimeria en utilisant les tests PCR. Nous avons trouvé Eimeria spp. chez 21 (91 %) des 23 bandes de poules, et dans 11 (92 %) des 12 fermes. Quatre espèces d’Eimeria ont été identifiées : E. acervulina (21/23 ; 91 %), E. tenella (14/23 ; 61 %), E. maxima (5/23 ; 22 %) et E. praecox (3/23 ; 13 %). L’infection par une seule espèce (E. acervulina) a été détectée dans 6 (26 %) des bandes infectées provenant de grandes exploitations. Des infections mixtes ont été trouvées dans 15 (65 %) des bandes et la combinaison la plus fréquente était E. acervulina + E. tenella (8/23 ; 35 %). Quatre bandes (17 %) hébergeaient une infection mixte à E. acervulina + E. tenella + E. maxima. E. acervulina était significativement plus fréquente chez les bandes recevant des ionophores comme suppléments alimentaires anticoccidiens.

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Figures

Figure 1
Figure 1
Results obtained in PCR following agarose gel electrophoresis. Lines: L1 100 bp ladder; L2 positive control; L3 negative control; L 4–15 samples. (A, B) E. acervulina 145 bp; (C, D) E. tenella 278 bp; (E, F) E. maxima 205 bp; (G, H) E. praecox 215 bp.
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References

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