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Identification and antimicrobial susceptibility of microbial agents of otitis externa in dogs

100%

Kahya Demirbilek S., Yilmaz O.

Medycyna Weterynaryjna

2019

tom 75

nr 02

In this study, a total of 277 unmedicated dogs with otitis externa were used. Overall, 413 agents were isolated from 277 ear swab samples; 52.7% of the cases were mono-infections (146 cases), and 37.1% of the cases were poly-infections (103 cases). In 10.1% (28) of the cases, neither bacteria nor yeasts were isolated. Coagulase-positive Staphylococcus spp. were the most frequently isolated bacteria and were found in 90 (21.8%) of the samples. Fifty-eight samples, (14%) were positive for Staphylococcus aureus, 51 (12.3%) for Pseudomonas aeruginosa, 27 (6.5%) for Proteus mirabilis, 27 (6.5%) for Malassezia pachydermatis, 21 (5%) for Corynebacterium spp., 21 (5%) for β-haemolytic Streptococcus spp., 15 (3.6%) for Staphylococcus pseudointermedius, 12 (2.9%) for Proteus spp., 12 (2.9%) for Escherichia coli, 9 (2.1%) for Acinetobacter calcoaceticus, 7 (1.6%) for Trichophyton mentagrophytes, 5 (1.2%) for Staphylococcus auricularis, and 46 (11.1%) for different bacteria and yeasts. A total of 14 different bacteria and yeasts were isolated and identified. Kirby-Bauer antibiotic susceptibility testing was carried out for 10 different antibiotics. The bacterial isolates were found to be resistant to amoxicillin-clavulanic acid (45%), gentamycin (28%), ampicillin/cloxacillin (69%), tobramycin (28%), amikacin (23%), enrofloxacin (47%), chloramphenicol (58%), doxycycline (65%), lincomycin/spectinomycin (58%) and polymyxin B (62%). In conclusion, it is important to test the antimicrobial sensitivity of aetiological agents of otitis externa before treatment so as to prevent the development of antibiotic resistance in bacteria and yeasts.

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Isolation and identification of vibrio sp. in the hepatopancreas of cultured white pacific shrimp (Litopenaeus vannamei)

80%

Shanmugasundaram S., Mayavu P., Manikandarajan T., Suriva M., Enswar A., Anbarasu R.

International Letters of Natural Sciences

2015

tom 46

The Vibrio is the most common genera with crustaceans often causing various diseases in Aquaculture and significant economic losses. Many Vibrio species are pathogenic to human and have been implicated in food borne diseases. The present study was carried out, the isolation and identification of pathogenic bacterial flora were isolated from infected in hepatopancreas of vannamei. The SPDS Oceanic farm, RS Aqua farm of and Valli vilas Aqua farm Vellar estuary, Cuddalore District, Tamil Nadu, during the period of (September 2013 to November 2013). The collected samples were plated on TCBS- (Thiosulfate-Citrate-Bile salt-Sucrose) agar medium. The present study, totally 253 green colonies were isolated from TCBS agar plates and among these, 175colonies were identified by using the biochemical tests showed the V. parahaemolyticus, V. mimicus, V. vulnificus, V. damsela and P. shigelloides. The maximum species was recorded in V. parahaemolyticus (83.4 %) and minimum was observed in V. mimicus (1.7 %).

Isolation and identification of bacteria from Chlorpyrifos polluted soil

80%

Santhoshkumar M., Mahakavi T., Baskaran L.

International Letters of Natural Sciences

2015

tom 45

The present study aimed to isolate and identify the chlorpyrifos resistant soil bacteria from contaminated soils in order to be used for bioremediation of polluted environments. Bacteria were isolated from two cultivated plant root rhizopheric soil of Cocks comb (Celosia cristata) and Marigold (Tagetes erecta).The pesticide was tested at 5 elevated doses,0.5%, 1%, 2%, 2.5% and control. Physiochemical properties of soils, PH, Electrical conductivity, Organic carbon, Organic matter, Nitrogen, phosphorus, potassium, Manganese and Iron were analyzed. Based on morphological and biochemical tests the isolates were identified as Bacillus subtilis, Pseudomonas putida, Pseudomonas aeruginosa. Thus, the organisms can be exploited for bioremediation of chlorpyrifos polluted soil, and their ability to degrade other organophosphates pesticide.

Ograniczanie wyników

2 International Letters of Natural Sciences

1 Medycyna Weterynaryjna

1 Anbarasu R.

1 Baskaran L.

1 Enswar A.

1 Kahya Demirbilek S.

1 Mahakavi T.

1 Manikandarajan T.

1 Mayavu P.

1 Santhoshkumar M.

1 Shanmugasundaram S.

1 Suriva M.

1 Yilmaz O.

1 2019

2 2015

Wyniki wyszukiwania

Identification and antimicrobial susceptibility of microbial agents of otitis externa in dogs

Isolation and identification of vibrio sp. in the hepatopancreas of cultured white pacific shrimp (Litopenaeus vannamei)

Isolation and identification of bacteria from Chlorpyrifos polluted soil