Đặc điểm hình thái học và sinh học phân tử của loài sán dây chủ yếu gây tác hại trên chó tại một số tỉnh Đồng bằng sông Cửu Long

Abstract

The study was conducted to identify the most common cestodes species which mostly affect dogs in some provinces of the Mekong Delta (An Giang, Dong Thap, Soc Trang, Kien Giang). There were 882 dogs examined for tapeworm infection by Skrjabin comprehensive method. The tapeworm samples were described based on the morphological and molecular features. The morphological features of tapeworm were identified for their properties such as scolex, neck, mature proglottid, gravid proglottid and egg. The genome sequences of tapeworm strains were obtained from the database resources of the National Center for Biotechnology Information (USA). The results showed that the infection rate of parasitic tapeworms in dogs was at 26,3%. The five species were Dipylidium caninum, Spirometra mansoni, Taenia pisiformis, Taenia hydatigena, and Diphylobothrium latum. Amongst them, Dipylidium caninum was the most common tapeworm species determined in this study with highest infection rate. The DNA sequencing indicated 96% of homologous gene sets of the American tapeworm Dipylidium caninum on the National Center for Biotechnology Information with the registration code AF023120.1