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- Title
Dermanyssus gallinae in Laying Hen Houses in Algeria, Infestation Prevalence and Molecular Detection of Salmonella.
- Authors
Douifi, M.; Ouchene, N.; Hakem, A.; Rahal, K.
- Abstract
The red mite, Dermanyssus gallinae, is the most important and common ectoparasite of laying hens and it's recognized as a vector of several pathogens, including Salmonella an important agent of food intoxication outbreaks worldwide. In order to investigate Dermanyssus gallinae infestation rate, a total of 386 laying hen farms was studied in four provinces located in northeastern Algeria (Brouira, Bordj Bouarreridj, Setif and Batna). A total of 32 pooled mite samples were examined for the presence of Salmonella enterica, S. typhimurium and S. enteritidis using PCR essay. Each sample contained 1 00 red mites. Results showed that 54 out of 386 farms (1 4%) were infested by D. gallinae. Bouira province had recorded the highest prevalence rate (1 8.1 8%). Flocks older than 40 weeks were most affected by the red mite (p < 0.001). Salmonella enterica DNA was detected in 8 samples (25%), including two Salmonella enteritidis (6.25%). These results indicate that Dermanyssus gallinae can act as a reservoir of Salmonella allowing its persistence in the poultry environment and its transmission between different production cycles and between hen housings.
- Publication
Tropicultura, 2019, Vol 37, Issue 4, p1
- ISSN
0771-3312
- Publication type
Academic Journal
- DOI
10.25518/22958010.1357