Nghiên cứu tình hình nhiễm và khả năng mẫn cảm đối với kháng sinh của nấm Candida spp. trên gà Ác sinh sản

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Tác giả: Thị Bảo Trân Trần

Ngôn ngữ: Vie

Ký hiệu phân loại: 636 Animal husbandry

Thông tin xuất bản: Nông nghiệp và Phát triển nông thôn, 2023

Mô tả vật lý: 51 - 58

Bộ sưu tập: Metadata

ID: 418164

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Chủ đề

Phân lập vi nấm men Candida spp. gây bệnh nấm diều trên gà Ác sinh sản và đánh giá tính mẫn cảm của các loài vi nấm Candida spp. phân lập được đối với các kháng sinh phổ thông bằng phương pháp khuếch tán trên thạch. Có 23 mẫu dương tính với Candida spp. đã được phân lập từ 30 mẫu bệnh phẩm gà Ác sinh sản nghi mắc bệnh, chiếm tỷ lệ 76,67%, mật độ nhiễm trung bình 5,30.105CFU/g với log=5,35 ± 0,62. Một số loài Candida spp. phân lập được là C. lbicans, C. rusei và loài Candida khác. Gà Ác sinh sản từ 4 tháng tuổi đến loại thải đều có khả năng nhiễm nấm Candida spp., không chỉ nhiễm 1 loài mà còn nhiễm ghép ít nhất 2 loài. Nấm men Candida spp. rất mẫn cảm với kháng sinh Nystatin, mẫn cảm yếu với kháng sinh Itraconazole. , Tóm tắt tiếng anh, The aim of this study is to isolate Candida spp. which causes Candidosis in Ac laying hens, as well as to evaluate the susceptibility of the isolated strains to common antibiotics using the disk diffusion method. There were 23 samples positive for Candida spp. which were isolated from 30 Ac laying hens suspected of having the disease, accounting for 76.67%. The average infection density of Candida spp. was 5,30.105 CFU/g with log=5.35 ± 0.62. The isolated Candida spp. were C. albicans, C. krusei and other Candida species. Ac laying hens from 4 months old to culled were infected with not only 1 species of Candida spp., but usually at least 2 species. Antibiotic susceptibility test demonstrated that Candida spp. were highly susceptible to Nystatin while most of the isolated strains were resistant to Itraconazole.

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