Situation of parasitic helminth infection in storks (Agretta gazretta) in Vinh Long province

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Tác giả: Hồ Bảo Trân Nguyễn, Hữu Hưng Nguyễn, Trương Hồng Thắm Nguyễn

Ngôn ngữ: Vie

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Thông tin xuất bản: Tạp chí Khoa học kỹ thuật Thú y, 2019

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Bộ sưu tập: Metadata

ID: 419325

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Tình hình nhiễm giun sán ký sinh trên loài cò trắng (Agretta gazretta) tại địa bàn tỉnh Vĩnh Long đã được tiến hành điều tra từ tháng 10 năm 2017 đến tháng 10 năm 2018. Kết quả mổ khám 115 cá thể cò trắng cho thấy cò trắng bị nhiễm giun sán với tỷ lệ là 80,00%. Tỷ lệ nhiễm giun sán có khuynh hướng tăng dần theo thể trọng cò, cò trắng dưới 100g bị nhiễm giun sán với tỷ lệ là 65,79%, tỷ lệ này tăng dần ở cò có thể trọng từ 100 - 200g (80,00%) và cao nhất ở cò trên 200g (94,59%). Giới tính không ảnh hưởng đến tỷ lệ nhiễm giun sán ký sinh trên cò trắng. Trong nghiên cứu này, có 6 loài giun sán ký sinh ở cò trắng thuộc 2 lớp Trematoda và Nematoda, trong đó lớp Trematoda có 5 loài Hypoderaeum conoideum tỷ lệ nhiễm cao nhất (22,61%), kế đến là loài Echinostoma revolutum (18,26%), Echinoparyphium recurvatum (14,78%), Echinostoma aegyptica (12,17%) và thấp nhất là loài Cotylurus cornutus ( 10,43%). Lớp Nematoda chỉ có 1 loài Ganguleterakis dispar nhiễm ở cò với tỷ lệ là 9,57%. Tất cả các loài sán lá đều ký sinh ở ruột và 1 loài giun tròn là Ganguleterakis dispar ký sinh ở dạ dày cò. Trong những loài sán lá ký sinh ở cò trắng, có loài Echinostoma revolutum và Echinoparyphium recurvatum là những loài ký sinh trên nhiều vật chủ như chó, mèo, heo, các loài chim hoang dã khác và cả ở người., Tóm tắt tiếng anh, The situation of parasitic helminth infection in the storks (Agretta gazretta) in Vinh Long province was conducted from October 2017 to October 2018. A total of 115 storks were dissected, then helminths were collected, and their species were identified basing on the external and internal morphology of the helminths in adult stages. The studied results illustrated that the storks were infected with helminths with high infection rate, up to 80.00%. The infection rate of storks with helminths increased gradually by the stork body weight. The storks having body weight lower than 100g were infected with the lowest infection rate (65.79%), then the stork group weighing from 100 to 200 g was infected with the higher rate (80.00%), and the highest infection rate belonged to stork group weighing over 200g (94.59%). The gender of stork was not affected to the infection rate with helminths. In this study, there were 6 helminth species which were detected in the storks, they were belonged to 2 classes Trematoda and Nematoda. In the Trematoda class, there were 5 parasitic species, such as Hypoderaeum conoideum contributed the highest infection rate (22.61%), followed by Echinostoma revolutum (18.26%), Echinoparyphium recurvatum (14.78%), Echinostoma aegyptica (12.17%) and the lowest infection rate was Cotylurus cornutus (10.43%). Most of the parasitic species were detected in the stork intestines but only one species Ganguleterakis dispar was found in the stomach (9.57%). Among the parasitic helminth species in the stork, Echinostoma revolutum and Echinoparyphium recurvatum species were identified in many hosts, such as dog, cat, pig, wild birds and also in human

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