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Résumé :
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This study was carried out in South-eastern Algerian Oases for two years (2017 and 2018) on 300 doves consisting of two species, Streptopelia turtur arenicola L. and Streptopelia decaocto (Frivaldszky, 1838). A total of 854 ectoparasite spe- cimens were identified. On Streptopelia decaocto, five lice species recorded for the first time in Biskra (Algeria) were de- tected and the population was dominated by Columbicola bacillus (82.67% ± 3.92) followed by Coloceras piageti (22% ± 3.35), Hohorsteilla spp (9.33% ± 2.93), Hohorstiella modesta (8% ± 2.66), and Bonomiella concii (3.33% ± 3.12). Other orders such us Diptera (flies) were represented by Pseudolynchia canariensis (4.67% ± 1.72), Ixodida (ticks) by Argas spp (20.09% ± 1.91) and Mesostigmata (mites) by two species Dermanyssus spp (5.35% ± 1.59) and Ornithonyssus bacoti (1.94 ± 1.28). On S. turtur, two lice species were recorded Columbicola bacillus (85.47% ± 2.76) and Coloceras britannicum (28.67% ± 4.07). Ticks and mites were represented, respectively, by Argas spp (13.66% ± 2.85) and Dermanyssus spp (2 % ± 1.18). Higher prevalence of a single infestation was observed on S. decaocto (50%), compared with double (36.66%), triple (9.33%) and quadruple (1.33%) infestations. However, the difference between single and mixed infestations on males and females was statistically significant (p 0.05). The young chicks of the two dove species were not infested.
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