Identification of bacterial agents from the faecal samples of diarrhoeic sheep and their antibiotic sensitivity

Munsi, Nuruzzaman; Ershaduzzaman,; Khanduker, Moinuddin; Alam, Shahin

doi:10.3329/ralf.v2i3.26168

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…[172][173][174][175][176] Bacterial agents associated with diarrhea and skin lesions in both the goats and sheep have been isolated and characterized with some antibiogram studies. [177][178][179] Bacteria of the respiratory tract of sheep have also been isolated and identified. 180 Among the virus diseases, the genetic characterization of PPR in goats, 181,182 isolation and characterization of contagious ecthyma (CE) in both the goats and sheep 183 and epidemiology and phylogenetic studies on CE in goats 184 have been reported from Bangladesh.…”

Section: Microbiological Researchmentioning

confidence: 99%

A systematic review of pre-clinical and clinical research reports on small ruminants published during the last six decades in the then East Pakistan and in Bangladesh

Samad¹

2019

JVMOHR

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Background: A dozen of veterinary academic institutions offer degree courses with pre-clinical and clinical studies and conduct research works but their activities are not coordinated and unified in Bangladesh. An attempt has been made to review the pre-clinical and clinical research reports in small ruminants which would help the concerned academicians, research scientists and research funded organizations to update their knowledge of specialization and use this reference as a starting point for formulation of the future academic and research guidelines. Objectives: The main objectives are to provide an integrated, systematic overview of all the available published research reports on the pre-clinical and clinical aspects of small ruminants to update knowledge and to identify research insights, existing gaps and future research directions. Materials and Methods: The available research reports on pre-clinical and clinical aspects of small ruminants published mainly in journals during the last six decades in Bangladesh from 1966 to 2019 were reviewed. Data obtained were analyzed statistically based on pre-clinical and clinical subjects, host species, age, breeds, clinical prevalence and decade-wise to assess the rate of publication. Results: Of the 665 selected articles, 621 research papers published on small ruminants during the last six decades from Bangladesh were systematically reviewed, of which 340 (54.75%) articles reported as pre-clinical and 281 (45.25%) on clinical aspects with significantly higher rates in goats (n = 486; 78.26%) than sheep (n = 135; 21.74%). Out of 126 recorded clinical diseases and disorders in small ruminants, 125 (99.21%) reported in goats and 44 (34.92%) in sheep, with 43 (34.13%) common in both goats and sheep but only pregnancy toxaemia (0.79%) reported in sheep. The influence of age and breeds on the prevalence of clinical diseases and disorders associated with their morbidity and mortality are described and discussed. Conclusions: This unified review article would serve as a guide for the veterinary medical academicians, research scientists and organizations for future studies and research directions. The disease profiles and their morbidity and mortality status in small ruminants might help the practicing veterinarians, government, human health care providers and neighboring countries who may need to take action.

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Section: Microbiological Researchmentioning

confidence: 99%

A systematic review of pre-clinical and clinical research reports on small ruminants published during the last six decades in the then East Pakistan and in Bangladesh

Samad¹

2019

JVMOHR

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“…An adult sheep can show E. coli concentrations of 1.62 x 10 7 per g of fresh feces, being higher in spring/summer than in winter [1,24]. Munsi et al [25] identified that the bacterial species in feces from 20 diarrheic sheep had the ratio 30% to E. coli and 60% to Proteus mirabilis.…”

Section: Resultsmentioning

confidence: 99%

A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study)

Gallardo¹,

Azócar-Aedo²,

Arias-Darraz³

et al. 2019

AVS

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Sheep feces can carry a high concentration of pathogenic and non-pathogenic bacteria, which potentially may contaminate wool as well as the shearers or wool manipulators through direct contact. A pilot study was carried out to determine the presence of bacterial DNA in feces and the degree of bacterial contamination in wool in two species of ruminants. Fourteen 2-month old lambs and 14 kids (7 male and 7 female), uncastrated, no twins, with their mothers, were randomly selected at weaning from a free flock grazing on naturalized pasture of Los Ríos region, Chile. Fecal and wool samples were taken once and analyzed for genomic DNA of Salmonella typhimurium containing the virulence plasmid spv, Eschrichia coli serotype O157, Clostridium perfringens type C containing α toxin and Mycobacterium avium sp paratuberculosis containing the IS900 insertion element. The results showed that lamb and kids feces had higher contents of bacterial DNA for E. coli O157 and SalmT than lamb wool, although only one lamb showed these two bacteria on its wool. The bacterial species influenced the DNA expression for 16S in both, feces (P=0.05) and wool (P=0.0006) and for E. coli O157 and SalmT only in feces (P<0.0001). The sex was associated with E. coli detection in lambs feces (P<0.0007) and in kids feces (P<0.05). The values obtained for MAP IS900 and Cpa DNA contents, considering both species and sex, were undetectable. In conclusion, lamb and kids feces should potentially contaminate wool especially by Eschrichia coli O157 and Salmonella typhimurium, representing a potential health risk and public health concern, especially for shearers and wool handlers.

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Improving Chitosan/PVA Electrospun Nanofibers Antimicrobial Efficacy with Methylene Blue for Effective <i>E. Coli</i> Inhibition Using Photodynamic Therapy

Salleh,

Afifi,

Zuki

et al. 2024

JBBBE

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In view of the growing concern over the threat of antibiotic resistance and bacterial infections, this study evaluated the antimicrobial performance and characteristics of chitosan/polyvinyl alcohol (PVA) nanofibers incorporated with Methylene Blue (MB). Following the fabrication of chitosan/PVA nanofibers loaded with different MB concentrations via electrospinning, the samples were characterised through Field-emission Scanning Electron Microscopy (FESEM), Fourier Transform Infrared (FTIR) spectroscopy, and leaching tests. Finally, the antimicrobial inhibition level of the samples was assessed via the disc diffusion method. Based on the results, the MB-integrated chitosan/PVA nanofibers exhibited a nanoscale morphology, and the FTIR confirmed the presence of MB. The findings also established a positive correlation between the MB concentration and leaching intensity. Furthermore, the optimal antimicrobial efficacy against Escherichia coli was achieved by the chitosan/PVA/MB (5 wt.%) sample with a 2-min laser exposure, which recorded a significant inhibition zone of 8.65 mm. In conclusion, MB demonstrated potent antimicrobial properties against E. coli, suggesting its potential integration in electrospun nanofibers for combating bacterial infections via photodynamic therapy.

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Identification of bacterial agents from the faecal samples of diarrhoeic sheep and their antibiotic sensitivity

Cited by 3 publications

References 5 publications

A systematic review of pre-clinical and clinical research reports on small ruminants published during the last six decades in the then East Pakistan and in Bangladesh

A systematic review of pre-clinical and clinical research reports on small ruminants published during the last six decades in the then East Pakistan and in Bangladesh

A Survey of Bacterial Pathogens Detected in Feces and Wool in Small Ruminants (Pilot Study)

Improving Chitosan/PVA Electrospun Nanofibers Antimicrobial Efficacy with Methylene Blue for Effective <i>E. Coli</i> Inhibition Using Photodynamic Therapy

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