栓皮鱼Channa striata, semator spp和Hemibagrus sp中的细菌:鉴定,病毒,以及几种抗生素的脆弱性

Desy Sugiani, Uni urwaningsih, Septyan Andriyanto, A. M. Lusiastuti
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引用次数: 1

摘要

淡水鱼类的微生物鉴定是一种重要的工具,可以评估鱼类的质量和安全,并将其保存在密集养殖系统中。这项研究的目的是检测淡水鱼类的细菌,主要是来自软木、霉菌和水密鱼的渔获和养殖。从栓皮栎、肝脏、伤口和脑组织(Channa striata)、semah (Tor spp)和baung (Hemibagrus sp)中分离出来的细菌,通过物理和生物化学测试确定,然后使用火20 E和20 Strep。病毒皮瓣测试以观察每种细菌异化的病原性能力,方法是对每条鱼注射106 CFU m1 -1细菌悬浮液。软木鱼可以感染帕斯特雷舒雷气旋和水合荷素菌,而河豚则容易受到entrococcus、Pantoea spp和A. hydrophila感染,而蝠属鱼则容易感染Citrobacter freundii和A. hydrophila感染。肠球菌、血吸虫病、血吸虫病和A. hydrophila病毒的含量较低,为3.3% - 23.4%;而C. freundii和P.肺炎卓卡并不影响鲶鱼、semah和baung。极限为enrofloksasin根据服用抗生素的剂量是10 mg / L;红霉素375 mg / L;和氧四环素250 mg / L。消化区扩散方法的脆弱性检测表明,盘尼西林菌spp、E. 000cium和A. hydrophila抗菌对促红细胞生成素和促红细胞生成素抗生素的抗药性,以及对磷酸磷酸素的耐药性。发现新水鱼微植物的识别是一个重要的工具,用来评估鱼潜在水藻系统的健康质量。这个研究是研究新水鱼的细菌,确定它们的病毒,并测试它们对抗生素的存活率。新鲜的水鱼物种在这个研究中是Channa striata spp,半bagrus是来自野生抓鱼农场的。肾菌、肝脏、皮肤损伤和大脑组织被发现使用物理和生物化学试剂,由20 E火和20链套测试器跟进。每条鱼106 CFU mL-1细菌悬带注射都引起了神经异化测试。蛇头鱼(Channa striata)对肠神经、气溶性和气溶性水样、血吸虫科(Tor spp)是非常有效的,而鲶鱼(hemtoea spp)则对citrobarus freundii和hydrophila感染是有效的。磷虾、磷虾和普通感冒的发病率为3.3%-23.4%肠凝血剂、红霉素和氧环素的最高推荐剂量为10毫克/L、3.75毫克/L和250毫克/L。抗生素灵敏度测试表明,磷酸杆菌是对叶绿素和红霉素有抗药性的,而抗生素杆菌则对氧环素有抗药性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
bakteri pada ikan gabus Channa striata, semah Tor spp., dan baung Hemibagrus sp.: identifikasi, virulensi, dan kerentanan terhadap beberapa antibiotik
Identifikasi mikroflora ikan air tawar adalah alat penting untuk evaluasi kualitas dan keamanan ikan untuk dipelihara dalam sistem budidaya intensif. Penelitian ini bertujuan untuk mendeteksi bakteri ikan air tawar terutama dari ikan gabus, semah, dan baung hasil tangkapan dan budidaya pada kolam. Bakteri yang terisolasi dari jaringan ginjal, hati, luka, dan otak ikan gabus (Channa striata), semah (Tor spp.), dan baung (Hemibagrus sp.) diidentifikasi dengan uji fisik dan biokimia, dan dilanjutkan dengan menggunakan API 20 E dan API 20 Strep. Uji virulensi untuk melihat kemampuan patogenisitas dari masing-masing isolat bakteri dilakukan dengan injeksi intra muskular suspensi bakteri 106 CFU mL-1 per ekor ikan. Ikan gabus dapat terinfeksi bakteri Pasteurella pneumotropica dan Aeromonas hydrophila, ikan semah rentan terhadap Enterococcus faecium, Pantoea spp., dan A. hydrophila, sedangkan ikan baung rentan terhadap infeksi Citrobacter freundii dan A. hydrophila. Bakteri Enterococcus faecium, Pantoea sp., dan A. hydrophila memiliki tingkat virulensi yang rendah antara 3,3%-23,4%; sedangkan C. freundii dan P. pneumotropica tidak virulen pada ikan gabus, semah, dan baung. Batas dosis atas untuk antibiotik berdasarkan petunjuk penggunaan obat untuk enrofloksasin adalah 10 mg/L; eritromisin 3,75 mg/L; dan oksitetrasiklin 250 mg/L. Hasil uji kerentanan dengan metode difusi zona hambat menunjukkan bahwa telah terjadi resistensi pada bakteri Pantoea spp., E. faecium, dan A. hydrophila terhadap antibiotik enrofloksasin dan eritromisin, dan resistensi pada bakteri E. faecium terhadap oksitetrasiklin.Identification of microflora in freshwater fish is an important tool to evaluate the health quality of fish cultured in intensive aquaculture systems. This study aimed to investigate bacteria in freshwater fish, determine their virulence and test their susceptibility to antibiotics. The freshwater fish species of interest in this study were Channa striata spp., and Hemibagrus sp. originated from wild catch and fish farming ponds. Isolated bacteria from kidney, liver, skin wound, and brain tissue were identified using physical and biochemical tests followed by API 20 E and API 20 Strep KIT tests. Pathogenicity test of each bacterial isolate was carried out by intramuscular injection of 106 CFU mL-1 of bacterial suspension per fish. Snakehead fish (Channa striata) was susceptible to Pasteurella pneumotropica and Aeromonas hydrophila infections, Cyprinidae (Tor spp.) was susceptible to Enterococcus faecium, Pantoea spp., and A. hydrophila, while Catfish (Hemibagrus sp.) was susceptible to Citrobacter freundii and A. hydrophila infections. Bacteria E. faecium, Pantoea sp. and A. hydrophila have a low virulence level of 3.3%-23.4%, whereas C. freundii and P. pneumotropica were both non-virulent to snakehead, cyprinidae, and catfish. The highest recommended dosages for enrofloxacin, erythromycin, and oxytetracycline were 10 mg/L, 3.75 mg/L, and 250 mg/L, respectively. The results of antibiotics sensitivity test showed that Pantoea spp., E. faecium, and A. hydrophila bacteria were resistant to enrofloxacin and erythromycin, while E. faecium bacteria was resistant to oxytetracycline.
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