Abstract
Aim:Cystic echinococcosis (CE) represents a serious parasitic disease at both animal and public health levels. The majority of reports negated the CE infection in buffaloes from Egypt; however, one study illustrated their infection with G6 genotype (camel strain). The present work contributed to update the epidemiological and molecular knowledge about CE infecting this economically important animal for better understanding of its role in maintaining the Echinococcus life cycle.Materials and Methods:A total of 120 slaughtered water buffaloes at Mansoura abattoir, Dakahlia province, Egypt, were inspected for the existence of hydatid cysts. Cysts location and fertility were examined. Five out of 27 revealed cysts were tested molecularly using both cytochrome C oxidase subunit 1 and nicotinamide adenine dinucleotide hydrogen subunit 1 (nadh1) genes.Results:Low prevalence (4.2%) as well as considerably low fertility rate (14.8%) of buffaloes CE was noted. G1 genotype (common sheep strain) was revealed from the five examined cysts. At the level of nadh1 partial sequences, a globally singleton G1 haplotype was reported.Conclusion:This the first report about the G1 infection in buffaloes from Egypt. This study proposed the minimized role of this animal in echinococcosis transmission. These findings could provide preliminary data for the local control of this disease.
Highlights
This study proposed the minimized role of this animal in echinococcosis transmission
Cystic echinococcosis (CE) is an important parasitic infection which caused by the larval stages of the genus Echinococcus [1]
Alignment of the 5 samples with each other indicated that all of them were belonged to the same haplotype, and they were typed under the E. granulosus G1 genotype
Summary
Cystic echinococcosis (CE) is an important parasitic infection which caused by the larval stages (hydatid cyst) of the genus Echinococcus (a dog tapeworm) [1]. This parasite has a two-host life cycle in which canines serve as definitive hosts, while the intermediate host role is played by the domestic and wild ungulates [2]. CE causes important economic losses originated from decreased productivity and viscera condemnation in livestock species. In Ismailia city abattoir (a small Egyptian abattoir), the estimated annual loss in livestock due to CE was 36,480 Egyptian pounds which represented by total or partial condemnation of 1216 kg of meat and offal [3]
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