Khả năng mẫn cảm với kháng sinh của một số loài vi khuẩn gây viêm đường sinh dục trên heo nái sau sinh tại huyện Thoại Sơn, tỉnh An Giang và thử nghiệm điều trị

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Tác giả: Thị Hạnh Chi Nguyễn, Thị Huỳnh Như Nguyễn, Tuyết Giang Nguyễn, Đức Thọ Phạm

Ngôn ngữ: vie

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Thông tin xuất bản: Tạp chí Khoa học kỹ thuật Thú y, 2020

Mô tả vật lý: tr.57

Bộ sưu tập: Metadata

ID: 331098

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Nghiên cứu này được thực hiện nhằm kiểm tra tính mẫn cảm của các chủng vi khuẩn phân lập từ dịch tử cung của heo nái sau khi sinh với các loại kháng sinh để làm cơ sở cho công tác điều trị bệnh viêm đường sinh dục của heo. Bằng phương pháp khuếch tán trên thạch, nghiên cứu đã phát hiện 122 chủng vi khuẩn (E. coli, Sta. areus, Streptococcus spp. và P. aeruginosa) phân lập được từ dịch tử cung của heo nái sau khi sinh tại huyện Thoại Sơn mẫn cảm ở mức độ cao với nhiều loại kháng sinh thuộc nhóm β-lactam (amoxicillin/clavulanic acid, cefotaxime, cefuroxime, ceftazidime) và doxycycline thuộc nhóm tetracycline.Ba phác đồ điều trị bệnh viêm đường sinh dục trên 24 heo nái đã được tiến hành nhằm xác định hiệu quả điều trị. Kết quả thử nghiệm cho thấy cả ba phác đồ đều đạt hiệu quả điều trị ở mức tối đa (100% heo nái khỏi bệnh). Trong đó phác đồ 3 cho hiệu quả tốt nhất, cụ thể là thời gian điều trị ngắn nhất (3,6 ± 0,74 ngày), thời gian động dục trung bình của heo nái ngắn nhất (5,63 ± 0,74 ngày) và 100% heo nái đậu thai ở lần phối đầu tiên sau cai sữa.This study was conducted to identify the antimicrobial susceptibility of the bacteria strains isolated from the uterine fluid of sows after farrowing so as to serve for treatment of reproductive tract inflamation in the sows. The disk diffusion procedure was used to determine the susceptibility of bacteria to antibiotics. There were 122 bacteria strains (E. coli, Sta. areus, Streptococcus spp. and P. aeruginosa) isolated from uterine and vaginal fluid of the sows after farrowing in Thoai Son district. These bacteria strains showed the antibiotic susceptibility at high level to the ß-lactam antibiotics (amoxicillin/clavulanic acid, cefotaxime, cefuroxime, ceftazidime) and doxycycline (tetracycline group). Three experimental treatment regimens were used to treat the reproductive tract inflammation of 24 sows to determine the efficacy of antibiotic candidates. The experimental treatment results showed that the efficacy of three treatment regimens was very high (100% of the disease sows were recovered). Of which, the third treatment regimen was the best, that was shortest therapy duration (3.6 ± 0.74 days), fast recovery of reproductive function (5.63 ± 0.74 days), and high pregnancy rate (100%) at the first oestrus after weaning.

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