doi: 10.14202/vetworld.2018.1569-1573
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Article history: Received: 17-06-2018, Accepted: 24-09-2018, Published online: 12-11-2018
Corresponding author: Samia Maziz-Bettahar
E-mail: samabe72@yahoo.fr
Citation: Maziz-Bettahar S, Aissi M, Ainbaziz H, Bachene MS, Zenia S, Ghisani F (2018) Prevalence of coccidian infection in rabbit farms in North Algeria, Veterinary World, 11(11): 1569-1573.Aim: The aim of the present study was to determine the prevalence and intensity of rabbit coccidiosis (Oryctolagus cuniculus) in North Algeria.
Materials and Methods: During the study, 40 rabbit farms were investigated. The farms are located in the provinces of Tizi Ouzou, Medea, and Djelfa which distributed, respectively, into three regions: East Tell Atlas Mountains, Central Tell Atlas Mountains, and High Plateaus. The number of oocyst per gram of feces (OPG) was determined by McMaster technique, and the Eimeria species were identified using morphological criteria.
Results: In the farms investigated, the prevalence of coccidian infection was estimated to 90% (80.7-99.3%) in rabbits after weaning. The classification of the farms according to their parasite load allowed us to show that 37.5% of the prospective farms have an oocyst excretion between 104 and 5×104 oocysts per gram and 22.5% excrete >5×104 oocysts per gram. Excretion levels by region show that the region of East Tel Atlas Mountains ranks first with 79% of farms with a parasitic load >104 coccidians compared to the regions of Central Tel Atlas Mountains and High Plateaus. In total, eight species of Eimeria were identified from oocyst-positive samples. Mixed infections with four Eimeria species were common. E. magna is the dominant species in comparison with E. media and E. irresidua with respective frequencies of 42.5% and 17.6% and 14.9% (p<0.001). Our results showed that the farms using anticoccidial drugs for their rabbits were low (25%) and the percentage of farms with poor hygienic conditions was 65%. There was a significant association between increased oocysts excretion and control measures of coccidian infection.
Conclusion: The study revealed an overall prevalence of 90% in the three Algerian regions. A strong association was observed between Eimeria infection and hygienic status and preventional chemotherapy.
Keywords: Algeria, coccidiosis, Eimeria, oocysts, prevalence, rabbit.
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