Mites and helminths infestation in Lebanese broiler farming systems
2022
Shaib, Houssam A. | Obeid, Youssef | Department of Agriculture | Faculty of Agricultural and Food Sciences (FAFS) | American University of Beirut
This study aims at the identification of endo-and ectoparasites in broiler farms while assessing their prevalence in semi-open and closed rearing systems in Lebanon. Seventeen semi-open and six closed broiler farms were investigated in various Lebanese provinces between March and September 2020 and 2021. Intestinal and composite litter samples were collected and observed for morphological identification of prevalent parasites. Results notably revealed the prevalence of mites in all of the surveyed farms. Moreover, mixed mite-helminth infestation was recorded in 100% of the semi-open farms and 50% of the closed ones. The northern fowl mite Ornithonyssus sylviarum was the predominant chicken parasitic mite in both systems. The poultry red mite Dermanyssus gallinae, was present in 6% of the semi-open farms and was not detected in closed farms. The mammalian itching mite Sarcoptes scabiei and the grain mite Acarus siro were also identified and had similar prevalence pattern as the red poultry mite. Eggs and/or larvae stages of one parasitic helminth species, Ascaridia galli, were detected in half of the semi-open and closed farms while adult worms were not present. This study documents for the first time the prevalence of specific endo-and ectoparasites in Lebanese broiler farms, reflecting managerial problems and poor biosecurity practices. Nevertheless, the identification of specific parasites in this work paves the way towards implementing proper control methods against these overlooked, yet devastating, organisms. © 2022 Polish Parasitological Society.
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