ArticlePoultry science2019
In vitro evaluation of various antimicrobials against field mycoplasma gallisepticum and mycoplasma synoviae isolates in Egypt.
Article in Poultry science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 41 citations in OpenAlex.
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- Article
- Highlight on the synergistic effect of different microemulsion formulations on the virulence determinants of multi-resistant Mycoplasma gallisepticum recovered from poultry.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Pharmacokinetic Comparison of Tylvalosin Tartrate Nanocrystal Suspension and Soluble Powder in Broiler Chickens After Oral and Intravenous Administration.Veterinary sciences · 2025Article
- Remarkable Inhibition Efficacy of a Compound Plant Essential Oil Disinfectant Against Bacteria, Viruses, and Mycoplasmas.Veterinary sciences · 2025Article
- Exploring the dynamic relationship between antimicrobial resistance, virulence fitness, and host responses in Listeria monocytogenes infections.Scientific reports · 2025Article
- Pharmacokinetics of Tylvalosin Following Intravenous or Oral Administration at Different Doses in Broiler Chickens.Veterinary sciences · 2025Article
- Comparative Genomic Analysis of Six Mycoplasma Gallisepticum Strains: Insights into Genetic Diversity and Antibiotic Resistance.Archives of Razi Institute · 2025Article
- The Association between Broiler Litter Microbiota and the Supplementation ofAnimals : an open access journal from MDPI · 2024Article
- Prospective Application of NanoencapsulatedAnimals : an open access journal from MDPI · 2023Article
- Drug sensitivity and genome-wide analysis of two strains ofFrontiers in microbiology · 2023Article
- Partnering essential oils with antibiotics: proven therapies against bovineFrontiers in cellular and infection microbiology · 2023Article
- Future impact of thymoquinone-loaded nanoemulsion in rabbits: prospects for enhancing growth, immunity, antioxidant potential and resistance againstFrontiers in veterinary science · 2023Article
- Exploring the Interactive Effects of Thymol and Thymoquinone: Moving towards an Enhanced Performance, Gross Margin, Immunity andAnimals : an open access journal from MDPI · 2022Article
- Modulatory Impacts of Multi-Strain Probiotics on Rabbits' Growth, Nutrient Transporters, Tight Junctions and Immune System to Fight againstAnimals : an open access journal from MDPI · 2022Article
- Prevalence and Antimicrobial Susceptibility of BovineBiology · 2022Article
- Article
- Prevalence and Antimicrobial Susceptibility ofAnimals : an open access journal from MDPI · 2022Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Among many avian mycoplasmas, Mycoplasma gallisepticum (MG) and Mycoplasma synoviae (MS) are recognized as the main etiological agents of respiratory diseases and infectious synovitis in chickens and turkeys causing tremendous economic losses worldwide. Therefore, proper treatment is promoted for the control of these diseases. This study was the first in Egypt to evaluate the in vitro efficacy of various antimicrobials against field MG and MS isolates recovered from chicken and turkey flocks using both conventional broth microdilution and quantitative real-time polymerase chain reaction assays. Totally, 47 mycoplasma isolates were recovered from 160 collected tracheal samples (29.4%). Of these, 44 MG (27.5%) and 3 MS (1.9%) were identified using conventional and molecular assays. The in vitro susceptibilities of 4 representative mycoplasma field isolates (3 MG and one MS) to 8 antibiotics and 4 essential oils were investigated. The tested isolates showed various susceptibilities to tested antimicrobials. Toldin CRD, followed by clove, cumin, and cinnamon oils were effective against both MG and MS clinical isolates with minimum inhibitory concentration (MIC) values ranging from 0.49 to 15.63 µg/mL. Similarly, tylvalosin was the most active antibiotic against MG and MS isolates with the lowest MIC values (0.015 to 0.03 µg/mL). DNA loads of both MG mgc2 and MS vlhA genes were markedly decreased upon treatment with majority of the tested antimicrobials confirming their effectiveness as was also evaluated by conventional MIC results. In conclusion, Toldin CRD and tylvalosin were found to be the most effective antimicrobials in this study. This finding highlights the importance of using these antimicrobials in controlling mycoplasma infections in chickens and turkeys.
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