scholarly journals Preparation, Physicochemical Assessment and the Antimicrobial Action of Hydroxyapatite–Gelatin/Curcumin Nanofibrous Composites as a Dental Biomaterial

Biomimetics ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 4
Author(s):  
Simin Sharifi ◽  
Asma Zaheri Khosroshahi ◽  
Solmaz Maleki Dizaj ◽  
Yashar Rezaei
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Streptococcus Mutans ◽  
Bacterial Resistance ◽  
Structural Defects ◽  
Diffusion Method ◽  
Scattering Method ◽  
Dental Tissue ◽  
Disk Diffusion Method ◽  
Antimicrobial Effects

In this study, we prepared and evaluated hydroxyapatite–gelatin/curcumin nanofibrous composites and determined their antimicrobial effects against Escherichia coli, Staphylococcus aureus, and Streptococcus mutans. Hydroxyapatite–gelatin/curcumin nanofibrous composites were prepared by the electrospinning method. The prepared nanocomposites were then subjected to physicochemical studies by the light scattering method for their particle size, Fourier transmission infrared spectroscopy (FTIR) to identify their functional groups, X-ray diffraction (XRD) to study their crystallinity, and scanning electron microscopy (SEM) to study their morphology. For the microbial evaluation of nanocomposites, the disk diffusion method was used against Streptococcus mutans, Staphylococcus aureus, and Escherichia coli. The results showed that the nanofibers were uniform in shape without any bead (structural defects). The release pattern of curcumin from the nanocomposite was a two-stage release, 60% of which was released in the first two days and the rest being slowly released until the 14th day. The results of the microbial evaluations showed that the nanocomposites had significant antimicrobial effects against all bacteria (p = 0.0086). It seems that these nanocomposites can be used in dental tissue engineering or as other dental materials. Also, according to the appropriate microbial results, these plant antimicrobials can be used instead of chemical antimicrobials, or along with them, to reduce bacterial resistance.

scholarly journals Antimicrobial Activity of Cultivable Endophytic and Rhizosphere Fungi Associated with “Mile-a-Minute,” Mikania cordata (Asteraceae)

2020 ◽  
Vol 2020 ◽  
pp. 1-7 ◽  
Author(s):  
Pavithra L. Jayatilake ◽  
Helani Munasinghe
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Antimicrobial Activity ◽  
Antimicrobial Properties ◽  
Pharmaceutical Products ◽  
Diffusion Method ◽  
Molecular Characteristics ◽  
Disk Diffusion Method ◽  
Rhizosphere Fungi

Endophytic and rhizosphere fungi are understood to be aiding the host plant to overcome a range of biotic and abiotic stresses (nutrition depletion, droughts, etc.) hence, they remain to be reservoirs of plethora of natural products with immense use. Consequently, this investigation of endophytic and rhizosphere fungi isolated from Mikania cordata (a perennial vine that is well established in Sri Lanka) for their antimicrobial properties was performed with the aim of future derivation of potential beneficial pharmaceutical products. Leaves, twigs, and roots of M. cordata were utilized to isolate a total of 9 endophytic fungi out of which the highest amount (44%) accounted was from the twigs. A sample of the immediate layer of soil adhering to the root of M. cordata was utilized to isolate 15 rhizosphere fungi. Fusarium equiseti and Phoma medicaginis were endophytes that were identified based on colony and molecular characteristics. The broad spectrum of antimicrobial activity depicted by F. equiseti (MK517551) was found to be significantly greater (p≤0.05, inhibitory against Bacillus cereus ATCC 11778, Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 25853) than P. medicaginis (MK517550) (inhibitory against Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 25853) as assessed using the Kirby-Bauer disk diffusion method. Trichoderma virens and Trichoderma asperellum were rhizospere fungi that exhibited remarkable antimicrobial properties against the test pathogens chosen for the study. T. asperellum indicated significantly greater bioactivity against all four bacterial pathogens and Candida albicans ATCC 10231 under study. The ranges of minimum inhibitory concentrations (MICs) of the fungi depicting antimicrobial properties were determined. The results obtained suggest that F. equiseti, P. medicaginis, T. asperellum, and T. virens of M. cordata harness bioprospective values as natural drug candidates. This is the first report on isolation and evaluation of the antimicrobial properties of endophytic and rhizosphere fungi of Mikania cordata.

scholarly journals Occurrence of NDM-1 and VIM-2 Co-Producing Escherichia coli and OprD Alteration in Pseudomonas aeruginosa Isolated from Hospital Environment Samples in Northwestern Tunisia

Diagnostics ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1617
Author(s):  
Raouaa Maaroufi ◽  
Olfa Dziri ◽  
Linda Hadjadj ◽  
Seydina M. Diene ◽  
Jean-Marc Rolain ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Pseudomonas Aeruginosa ◽  
Bacterial Resistance ◽  
Carbapenem Resistance ◽  
Multidrug Resistant ◽  
Hospital Environment ◽  
Diffusion Method ◽  
Resistant Bacteria ◽  
Multidrug Resistant Bacteria ◽  
Disk Diffusion Method

Hospital environments constitute the main reservoir of multidrug-resistant bacteria. In this study we aimed to investigate the presence of Gram-negative bacteria in one Northwestern Tunisian hospital environment, and characterize the genes involved in bacterial resistance. A total of 152 environmental isolates were collected from various surfaces and isolated using MacConkey medium supplemented with cefotaxime or imipenem, with 81 fermenter bacteria (27 Escherichia coli, and 54 Enterobacter spp., including 46 Enterobacter cloacae), and 71 non-fermenting bacteria (69 Pseudomonas spp., including 54 Pseudomonas aeruginosa, and 2 Stenotrophomonas maltophilia) being identified by the MALDI-TOF-MS method. Antibiotic susceptibility testing was performed by disk diffusion method and E-Test was used to determine MICs for imipenem. Several genes implicated in beta-lactams resistance were characterized by PCR and sequencing. Carbapenem resistance was detected among 12 isolates; nine E. coli (blaNDM-1 (n = 8); blaNDM-1 + blaVIM-2 (n = 1)) and three P. aeruginosa were carbapenem-resistant by loss of OprD porin. The whole-genome sequencing of P. aeruginosa 97H was determined using Illumina MiSeq sequencer, typed ST285, and harbored blaOXA-494. Other genes were also detected, notably blaTEM (n = 23), blaCTX-M-1 (n = 10) and blaCTX-M-9 (n = 6). These new epidemiological data imposed new surveillance strategies and strict hygiene rules to decrease the spread of multidrug-resistant bacteria in this area.

scholarly journals CHEMICAL COMPOSITION AND ANTIBACTERIAL ACTIVITY OF THE ESSENTIAL OIL OF THE Toona sureni (Blume) Merr

2015 ◽  
Vol 3 (1) ◽  
pp. 90
Author(s):  
M. Taufik Ekaprasada ◽  
Hazli Nurdin ◽  
Sanusi Ibrahim ◽  
Dachriyanus
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Essential Oil ◽  
Essential Oil Composition ◽  
Diffusion Method ◽  
Oil Composition ◽  
Disk Diffusion Method ◽  
Germacrene D ◽  
Total Oil

 ABSTRACT The essential oil composition of the Toona sureni (Blume) Merr leaf was analyzed by GC-MS. More than 68 peaks, representing 99.99% of total oil, forty three components were identified, this represents 80.65% of the total oil component. The major components were α-terpinene (9.58%), α-copaene (8.39%), bicyclogermacrene (7.61%), δ-cadinene (6.65%), β-elemene (4.88%), germacrene-D (4.65%), δ-selinene (3.58%), caralene (3.10%), β-caryophyllene (2.88%), α-cubebene (2.82%), δ-gurjunene (2.20%), and (-)-isoledene (2.05%). The antibacterial activity of the essential oil of Toona sureni (Blume) Merr leaf was evaluated using disk diffusion method. The oil was effective on the inactivation of Escherichia coli, Staphylococcus aureus and Bacillus subtilis. Keywords: Toona sureni (Blume) Merr, antibacterial activity, GC-MS, essential oil

scholarly journals ISOLASI DAN UJI ANTIBAKTERI DARI BAKTERI YANG BERASOSIASI DENGAN SPONS Phyllospongia lamellose SERTA IDENTIFIKASI SECARA BIOKIMIA

PHARMACON ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 252
Author(s):  
Sela S Lempoy ◽  
Widya A Lolo ◽  
Paulina V. Y. Yamlean
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Bioactive Compounds ◽  
Pathogenic Bacteria ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Isolation And Purification ◽  
Esherichia Coli ◽  
Identification Stage

ABSTRACT Sponges are one source of producing bioactive components from the sea. Bacteria Symbiosis with sponges are thought to have the potential to produce bioactive compounds that have been isolated from sponges. One of the potential of bioactive compounds which have been found and developed from sponges was antibacterial. The aim of this study was to determine the antibacterial activity of bacteria associated with Phyllospongia lamellose sponges against pathogenic bacteria namely Staphylococcus aureus and Esherichia coli and then proceed with identification of biochemistry in isolates which showed the greatest inhibitory activity. Three isolates of sponges symbiont bacteria were obtained through the isolation and purification stage which were then followed by testing of antibacterial activity with paper disk diffusion method. The antibacterial test results showed the diameter of the inhibitory zone against Staphylococcus aureus, were: SL1(8.67 mm), SL2 (9.33 mm) and SL3(9.00 mm) categorized as medium. Whereas the inhibiotion zone shown on Esherichia coli bacteria is also classified as medium, were: SL1(9.67 mm), SL2 (9.00 mm) and SL3 (9.33 mm). The three isolates continued to the identification stage biochemically. Each isolation was assumed as follows: Desulfotomaculum (SL1), Brochothrix (SL2) and Sulfidobacillus (SL3). Keyword         :Phyllospongia lamellose, isolation, biochemically identification ABSTRAK Spons merupakan salah satu sumber penghasil komponen bioaktif yang berasal dari laut. Bakteri yang bersimbiosis dengan spons diduga memiliki potensi dalam menghasilkan senyawa-senyawa bioaktif yang telah diisolasi dari spons. Potensi senyawa bioaktif yang telah ditemukan dan dikembangkan dari spons salah satunya ialah sebagai antibakteri. Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri dari bakteri yang berasosiasi dengan spons Phyllospongia lamellose terhadap bakteri patogen yakni Staphylococcus aureus dan Escherichia coli dan kemudian dilanjutkan dengan identifikasi secara biokimia pada isolat yang menunjukkan daya hambat terbesar. Diperoleh 3 isolat bakteri simbion spons melalui tahap isolasi dan purifikasi yang kemudian dilanjutkan dengan pengujian aktivitas antibakteri melalui metode difusi kertas cakram. Hasil uji antibakteri menunjukkan diameter zona hambat terhadap bakteri Staphylococcus aureus yaitu: SL1(8.67 mm), SL2(9.33 mm) dan SL3 (9.00 mm) termasuk dalam kategori sedang. Sedangkan zona hambat yang ditunjukkan terhadap bakteri Escherichia coli juga tergolong kategori sedang yaitu: SL1(9.67 mm), SL2(9.00 mm) dan SL3 (9.33 mm). Ketiga isolat dilanjutkan ke tahap identifikasi secara biokimia. Masing-masing isolat diduga sebagai berikut: Desulfotomaculum (SL1), Brochothrix (SL2) dan Sulfidobacillus (SL3). Kata kunci          :Phyllospongia lamellose, isolasi, identifikasi biokimia.

scholarly journals ANTIBACTERIAL ACTIVITY OF ROBUSTA COFFEE (COFFEA CANEPHORA L.) LEAVES TO STAPHYLOCOCCUS AUREUS AND ESCHERICHIA COLI

2019 ◽  
pp. 113-115
Author(s):  
ZAMHARIRA MUSLIM ◽  
YONANIKO DEPHINTO
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Ethyl Acetate ◽  
Antibacterial Effect ◽  
Ethyl Acetate Fraction ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
E Coli ◽  
Robusta Coffee

Objective: This research aims to analyze the ability of robusta coffee leaves fraction extract to inhibit the growth of Staphylococcus aureus and Escherichia coli and also determine the minimum inhibitory concentration (MIC). Methods: Antibacterial activity evaluated by the disc diffusion method observed in four types of fraction of extract robusta coffee leaves (n-hexane, ethyl acetate, ethanol, and water). Each extract divided into three various concentrations, 5%, 10%, and 15%. Determination of antimicrobial activity in vitro by the disk diffusion method. Results: Ethyl acetate fraction of coffee leaves extract produced the largest diameter zone of inhibition of bacterial growth compared to other extraction fractions of 17.28 mm in E. coli and 18.58 mm in S. aureus. The MIC of coffee leaves extract fraction water, ethyl acetate, and n-hexane on E. coli and S. aureus is 5%, while the fraction ethanol MIC is 10%. Conclusion: The antibacterial effect of ethyl acetate fraction of coffee leaves extract showed an antibacterial effect that was better than the fraction of n-hexane, ethanol, and water.

scholarly journals SYNTHESIS AND ANTIMICROBIAL PROFILE OF SOME NEWER HETEROCYCLES BEARING THIAZOLE MOIETY

2012 ◽  
Vol 20 (20) ◽  
pp. 61-67
Author(s):  
RAJUL GUPTA ◽  
Neeraj Kumar FULORIA ◽  
Shivkanya FULORIA
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Pseudomonas Aeruginosa ◽  
Candida Albicans ◽  
Acetic Anhydride ◽  
Antimicrobial Activities ◽  
Diffusion Method ◽  
Zone Of Inhibition ◽  
Disk Diffusion Method ◽  
Antibacterial And Antifungal

Various substituted acetophenones on treatment. with iodine and thiourea yielded 2-amino-4-( substituted-phenyl)-thiazole, which on further treatment with acetic anhydride generated N-(4-(substituted phenyl)thiazol-2-ylacetamide(1-5). All the synthesized compounds were characterized by their respective FTIR, 1H NMR, and mass data. Synthesized compounds (l, 2, 3, 4, 5) when subjected to investigation for their antimicrobial activities i.e. antibacterial and antifungal studies against Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, Aspergillus flavus, and Aspergillus fumigatus by disk diffusion method, revealed that compound 2 deemed to be most potent with the largest zone of inhibition.

scholarly journals DAYA HAMBAT EKSTRAK ETANOL Schismatoglottis sp. TERHADAP BAKTERI Staphylococcus aureus dan Escherichia coli

2015 ◽  
Vol 17 (1) ◽  
pp. 149
Author(s):  
Fahri Bian ◽  
Febby E.F. Kandou ◽  
Marhaenus J. Rumondor
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Ethanol Extract ◽  
Inhibition Zone ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Inhibition Zone Diameter ◽  
E Coli ◽  
Zone Diameter ◽  
Paper Disk

DAYA HAMBAT EKSTRAK ETANOL Schismatoglottis sp. TERHADAP BAKTERI Staphylococcus aureus dan Escherichia coliABSTRAK Penelitian ini bertujuan untuk mengetahui daya hambat ekstrak etanol daun Schismatoglottis sp. terhadap bakteri Staphylococcus aureus dan Escherichia coli. Daya hambat ekstrak etanol Schismatoglottis sp. terhadap bakteri menggunakan metode Kirby-Bauer, yaitu metode difusi dengan cakram kertas. Ekstrak etanol Schismatoglottis sp. menghambat pertumbuhan S. aureus pada konsentrasi 60% dan 90% dengan diameter zona hambat 16,10 mm dan 31,33 mm serta  terhadap E. coli pada konsentrasi 30%, 60%, dan 90% dengan diameter zona hambat berturut-turut 11,72 mm, 16,38 mm, dan  29,27 mm. Berdasarkan hasil penelitian, dapat disimpulkan bahwa ekstrak etanol Schismatoglottis sp. terhadap S. aureus pada konsentrasi 60% dan 90% masing-masing memiliki kekautan antibakteri termasuk kategori kuat dan sangat kuat, sedangkan terhadap E. coli pada konsentrasi 30% dan 60%, memiliki kekuatan antibakteri kategoti kuat sedangkan pada konsentrasi 90% memiliki kekuatan antibakteri kategori sangat kuat. Kata kunci : Schismatoglottis sp, Antibakteri, Staphylococcus aureus, Escherichia coli THE INHIBITION OF ETHANOL EXTRACT OF Schismatoglottis sp. AGAINST BACTERIA Staphylococcus aureus AND Escherichia coli. ABSTRACT This study aimed to determine the inhibition of ethanol extract of leaves Schismatoglottis sp. against S. aureus and E. coli. Inhibition of the ethanol extract of Schismatoglottis sp. against to bacterial using the Kirby-Bauer method, is the paper disk diffusion method. Schismatoglottis sp. ethanol extract inhibit the growth of S. aureus at a concentration of 60% and 90% inhibition zone with a diameter of 16.10 mm and 31.33 mm and against E. coli at a concentration of 30%, 60%, and 90% with inhibition zone diameter respectively 11, 72 mm, 16.38 mm and 29.27 mm. Based on the results, it can be concluded that the ethanol extract Schismatoglottis sp. against S. aureus at concentrations of 60% and 90% respectively have antibacterial kekautan categorized as strong and very strong, while against E. coli at a concentration of 30% and 60%, have a strong kategoti antibacterial strength while at a concentration of 90% has antibacterial strength very strong category. Keywords: Schismatoglottis sp, antibacterials, Staphylococcus aureus, Escherichia coli.

scholarly journals Synthesis, Characterization and Antimicrobial Studies of Some Azo-Compounds

2018 ◽  
Vol 6 ◽  
pp. 24-27
Author(s):  
Pramod Kumar Yadav
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Benzoic Acid ◽  
Elemental Analysis ◽  
Azo Compounds ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Highly Active ◽  
Antimicrobial Studies

Two azo-compounds, azobenzene-4, 4′-dicarboxylic acid 1 and 4-(2-hydroxy-naphthalen-1-ylazo)-benzoic acid 2 were synthesized for study of their antibacterial activity. Structures of the two compounds were confirmed by NMR, IR and elemental analysis. Antibacterial activity of the compounds was tested by disk diffusion method against the bacteria strains Staphylococcus aureus and Escherichia coli. The compound 1 was moderately active while 2 was highly active against all the bacteria species tested.Academic Voices Vol.6 2016: 24-27

scholarly journals AKTIVITAS ANTIMIKROBA EKSTRAK DAN FRAKSI TUNIKATA (Polycarpa aurata) YANG DIKOLEKSI DI SELAT LEMBEH, BITUNG TERHADAP Escherichia coli, Staphylococcus aureus DAN Candida albicans

PHARMACON ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 243
Author(s):  
Cinlye J Manoppo ◽  
Adithya Yudistira ◽  
Defny S Wewengkang
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antimicrobial Activity ◽  
Candida Albicans ◽  
Ethanol Extract ◽  
Diffusion Method ◽  
Disk Diffusion Method ◽  
Methanol Fraction ◽  
Lembeh Strait ◽  
Partition Method

ABSTRACTTunicate is an invertebrate that lives in a coral reef ecosystem and produces many compounds such as, antibacterial, antitumor and anticancer. This study aimed to determine the antimicrobial activity of extracts and fraction of tunicate (Polycarpa aurata) collected in the Lembeh Strait, Bitung against Escherichia coli, Staphylococcus aureus and Candida albicans. Tunicate (Polycarpa aurata) was extracted by maceration method using 96% ethanol solvent, fractination using liquid-liquid partition method with n-hexane, chloroform and methanol solvent, and antimicrobial testing using Kirby Bauer’s disk diffusion method. The results showed that ethanol extract of tunicate (Polycarpa aurata) had antimicrobial activity againts Escherichia coli with an inhibition of 15.12 mm, and againts Candida albicans with an inhibition of 15 mm. While the methanol fraction showed antimicrobial with a strong category and inhibition of 16.17 mm againts Staphylococcus aureus. Keyword: Tunicate (Polycarpa aurata), Extraction, Fractination, Antimicrobials  ABSTRAKTunikata merupakan invertebrata di ekosistem terumbu karang yang banyak menghasilkan senyawa seperti, antibakteri, antitumor dan antikanker.  Penelitian ini bertujuan untuk  mengetahui aktivitas antimikroba ekstrak dan fraksi tunikata (Polycarpa aurata) yang dikoleksi di Selat lembeh, Bitung terhadap Escherichia coli, Staphylococcus aureus dan Candida albicans.  Tunikata (Polycarpa aurata) diekstraksi menggunakan metode maserasi dengan pelarut etanol 96%, fraksinasi menggunakan metode partisi dengan pelarut n-heksan, kloroform dan metanol, dan pengujian antimikroba menggunakan metode difusi agar Kirby Bauer. Hasil penelitian menunjukkan bahwa ekstrak etanol tunikata (Polycarpa aurata) memiliki aktivitas antimikroba kategori kuat pada fraksi metanol dengan daya hambat sebesar 16, 17 mm terhadap Escherichia coli, pada ekstrak etanol dengan daya hambat sebesar 15, 12 mm terhadap Staphylococcus aureus sedangkan pada Candida albicans aktivitas yang sangat baik terjadi pada ektraksi etanol sebesar 15 mm. Kata Kunci: Tunikata (Polycarpa aurata), Ekstraksi dan Fraksinasi, Antimikroba

scholarly journals Prevalence and Antimicrobial Susceptibility Profiles of Pathogen Isolated from Bovine Mastitis Milk in Transylvania, Romania

2016 ◽  
Vol 73 (2) ◽  
pp. 329
Author(s):  
Cosmina Bouari ◽  
George Nadas ◽  
Flore Chirila ◽  
Sorin Rapuntean ◽  
Cornel Catoi ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Clavulanic Acid ◽  
Antimicrobial Susceptibility ◽  
Bovine Mastitis ◽  
Acid Resistance ◽  
Diffusion Method ◽  
Economic Losses ◽  
Disk Diffusion Method

 Mastitis in cows, one of the most common and economically important infectious diseases of dairy cattle, all over the world, with significant impact due to economic losses, occurs when the udder becomes inflamed because the leukocytes are released into the mammary gland usually in response to bacteria invasion of the teat canal.The main objective of this study was to evaluate the in vitro antimicrobial susceptibility of bacteria isolated from milk in order to design specific control programs for bovine mastitis in this area.A total of 204 milk samples aseptically collected both from farms and private owners were processed during May 2014 and March 2016 within the Microbiology Laboratory of the Faculty of Veterinary Cluj-Napoca, Romania. The microbiological examination was carried out by inoculation on blood agar and MacConkey medium. After the overnight incubation in aerobic conditions, the identification of the isolates was performed using microscopic, cultural and biochemical methods. Biochemical identification was based on API 20 Biomerieux system. Susceptibility to antibiotics was evaluated using Kirby Bauer disk diffusion method on Mueller-Hinton agar; the antibiotics were represented by Amoxicillin and Clavulanic Acid, Ceftiofur, Florfenicol, Mastidiscs, Enrofloxacin, Penicillin and Tetracycline.Staphylococcus spp. was the most common isolated pathogen, in 54.9% of the specimens, followed by Streptococcus spp. in 20.1%, Escherichia coli in 10.78%, Klebsiella spp. in 8.34%, Bacillus spp. in 5.88%. The most frequent associations were represented by staphylococci-streptococci in 62.7% of the samples, followed by streptococci-bacillus in 19.8% of the samples. The most important etiological agents identified were Staphylococcus aureus, S uberis, Streptococcus agalactiae, and Escherichia coli. Antimicrobial susceptibility test for the total isolates revealed good sensitivity to Enrofloxacin, Mastidiscs and Amoxicillin and Clavulanic Acid. Resistance was observed for Penicillin and Tetracycline.The major mastitis pathogens identified was Staphylococcus aureus, while recurrent mastitis treatment was based on systemic and local administration of Enrofloxacin and Mastidiscs respectively.

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