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  1. Article: Effect of peppermint oil and its microemulsion on necrotic enteritis in broiler chickens.

    Sorour, Hend K / Hosny, Reham A / Elmasry, Dalia M A

    Veterinary world

    2021  Volume 14, Issue 2, Page(s) 483–491

    Abstract: Background and aim: Clostridium perfringens: Materials and methods: Peppermint oil ME formulation (15% oil/water) was prepared and characterized by zeta potential, Fourier transform infrared, high-resolution transmission electron microscopy, and ... ...

    Abstract Background and aim: Clostridium perfringens
    Materials and methods: Peppermint oil ME formulation (15% oil/water) was prepared and characterized by zeta potential, Fourier transform infrared, high-resolution transmission electron microscopy, and liquid chromatography-mass spectrometry (LC-MS/MS). The minimal inhibitory concentrations of the peppermint oil and its ME were investigated. A total of 80 commercial one day old Arbor Acres broiler chickens were randomly assigned to four groups of 20 birds each. The four groups were the negative control, positive control, peppermint oil (0.5 mL/mL water/10 days old), and its ME (0.25 mL/mL water/10 days old) groups.
    Results: Peppermint oil ME formulation has a polydispersity index, zeta potential and droplet size of 0.234, -24 mV±4.19, and 29.96±1.56 nm, respectively. LC-MS/MS analysis of oil and ME revealed common presence of phenolic compounds such as rosmorinic (360.31 g/mol), chlorogenic acid (354.31 g/mol), hesperidin (610.56 g/mol), and luteolin 7-O-β-glucuronide (462.1 g/mol). The treated groups with peppermint oil and ME showed lower lesions, mortality and colony-forming units in addition to higher growth performance (p < 0.05) compared to the positive control group.
    Conclusion: Our study suggests the potential efficacy of peppermint oil and ME in the reduction of necrotic enteritis lesions and
    Language English
    Publishing date 2021-02-23
    Publishing country India
    Document type Journal Article
    ZDB-ID 2456277-4
    ISSN 2231-0916 ; 0972-8988
    ISSN (online) 2231-0916
    ISSN 0972-8988
    DOI 10.14202/vetworld.2021.483-491
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Efficacy of ceftiofur N-acyl homoserine lactonase niosome in the treatment of multi-resistant Klebsiella pneumoniae in broilers.

    Hosny, Reham A / El-Badiea, Zeinab A / Elmasry, Dalia M A / Fadel, Mai A

    Veterinary research communications

    2023  Volume 47, Issue 4, Page(s) 2083–2100

    Abstract: In this study, the efficiency of the ceftiofur N-acyl homoserine lactonase niosome against multi-resistant Klebsiella pneumoniae in broilers was evaluated. Fifty-six K. pneumoniae isolates previously recovered from different poultry and environmental ... ...

    Abstract In this study, the efficiency of the ceftiofur N-acyl homoserine lactonase niosome against multi-resistant Klebsiella pneumoniae in broilers was evaluated. Fifty-six K. pneumoniae isolates previously recovered from different poultry and environmental samples were screened for the ahlK gene. The lactonase enzyme was extracted from eight quorum-quenching isolates. The niosome was formulated, characterized, and tested for minimal inhibitory concentration (MIC) and cytotoxicity. Fourteen-day-old chicks were assigned to six groups: groups Ӏ and П served as negative and positive controls, receiving saline and K. pneumoniae solutions, respectively. In groups Ш and IV, ceftiofur and niosome were administrated intramuscularly at a dose of 10 mg/kg body weight for five consecutive days, while groups V and VI received the injections following the K. pneumoniae challenge. Signs, mortality, and gross lesions were recorded. Tracheal swabs were collected from groups П, V, and VI for counting K. pneumoniae. Pharmacokinetic parameters were evaluated in four treated groups at nine-time points. The niosome was spherical and 56.5 ± 4.41 nm in size. The viability of Vero cells was unaffected up to 5 × MIC (2.4 gml
    MeSH term(s) Chlorocebus aethiops ; Animals ; Klebsiella pneumoniae/genetics ; Chickens ; Liposomes ; Vero Cells ; Poultry ; Anti-Bacterial Agents/pharmacology
    Chemical Substances ceftiofur (83JL932I1C) ; N-acyl homoserine lactonase (EC 3.1.1.-) ; Liposomes ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-07-10
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 406735-6
    ISSN 1573-7446 ; 0165-7380
    ISSN (online) 1573-7446
    ISSN 0165-7380
    DOI 10.1007/s11259-023-10161-7
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3453: Show issues Location:
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    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  3. Article ; Online: Development of Paper-Based Fluorescent Molecularly Imprinted Polymer Sensor for Rapid Detection of Lumpy Skin Disease Virus.

    Kassem, Samr / Hamdy, Mervat E / Selim, Karim M / Elmasry, Dalia M A / Shahein, Momtaz A / El-Husseini, Dalia M

    Molecules (Basel, Switzerland)

    2024  Volume 29, Issue 7

    Abstract: Lumpy Skin Disease (LSD) is a notifiable viral disease caused by Lumpy Skin Disease virus (LSDV). It is usually associated with high economic losses, including a loss of productivity, infertility, and death. LSDV shares genetic and antigenic similarities ...

    Abstract Lumpy Skin Disease (LSD) is a notifiable viral disease caused by Lumpy Skin Disease virus (LSDV). It is usually associated with high economic losses, including a loss of productivity, infertility, and death. LSDV shares genetic and antigenic similarities with Sheep pox virus (SPV) and Goat pox (GPV) virus. Hence, the LSDV traditional diagnostic tools faced many limitations regarding sensitivity, specificity, and cross-reactivity. Herein, we fabricated a paper-based turn-on fluorescent Molecularly Imprinted Polymer (MIP) sensor for the rapid detection of LSDV. The LSDV-MIPs sensor showed strong fluorescent intensity signal enhancement in response to the presence of the virus within minutes. Our sensor showed a limit of detection of 10
    MeSH term(s) Animals ; Cattle ; Sheep ; Lumpy skin disease virus ; Molecularly Imprinted Polymers ; Coloring Agents ; Cross Reactions ; Head
    Chemical Substances Molecularly Imprinted Polymers ; Coloring Agents
    Language English
    Publishing date 2024-04-08
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules29071676
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  4. Article: A Pilot Study on the Effect of Thyme Microemulsion Compared with Antibiotic as Treatment of

    Hamed, Engy Ahmed / Abdelaty, May Fathy / Sorour, Hend Karam / Elmasry, Dalia M A / Abdelmagid, Marwa Ali / Saleh, Mohammed Ahmed Maher / AbdelRahman, Mona Aly Abdelhalim

    Veterinary medicine international

    2022  Volume 2022, Page(s) 3647523

    Abstract: Multidrug resistance poses a global threat to the poultry industry and public health, so the direction towards eliminating the use of antibiotics and finding alternatives is a vital step to solve this problem. Thyme microemulsion (10% oil/water) had ... ...

    Abstract Multidrug resistance poses a global threat to the poultry industry and public health, so the direction towards eliminating the use of antibiotics and finding alternatives is a vital step to solve this problem. Thyme microemulsion (10% oil/water) had nanodrop size 28.65 ± 0.89 nm, with a polydispersity index (PDI) of 0.28 with greater homogeneity. It showed IC
    Language English
    Publishing date 2022-02-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2536385-2
    ISSN 2042-0048 ; 2090-8113
    ISSN (online) 2042-0048
    ISSN 2090-8113
    DOI 10.1155/2022/3647523
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  5. Article: A Pilot Study on the Effect of Thyme Microemulsion Compared with Antibiotic as Treatment of Salmonella Enteritidis in Broiler

    Hamed, Engy Ahmed / Abdelaty, May Fathy / Sorour, Hend Karam / Elmasry, Dalia M. A. / Abdelmagid, Marwa Ali / Saleh, Mohammed Ahmed Maher / AbdelRahman, Mona Aly Abdelhalim

    Veterinary medicine international. 2022 Feb. 24, v. 2022

    2022  

    Abstract: Multidrug resistance poses a global threat to the poultry industry and public health, so the direction towards eliminating the use of antibiotics and finding alternatives is a vital step to solve this problem. Thyme microemulsion (10% oil/water) had ... ...

    Abstract Multidrug resistance poses a global threat to the poultry industry and public health, so the direction towards eliminating the use of antibiotics and finding alternatives is a vital step to solve this problem. Thyme microemulsion (10% oil/water) had nanodrop size 28.65 ± 0.89 nm, with a polydispersity index (PDI) of 0.28 with greater homogeneity. It showed IC₅₀ > 100 ug/ml on cytotoxicity assay and 14 active components by GC-Mass. The study was carried out using 210 Cobb chicks divided into fourteen groups. The infected groups were challenged using two Salmonella Enteritidis multidrug resistance (MDR) and Salmonella Enteritidis sensitive strains to the sulpha-trimethoprim antibiotic. The challenged inoculum was 1 × 10⁹ CFU of Salmonella Enteritidis by oral route. The MIC treatments doses were 1 ml/liter water for thyme oil and thyme microemulsion and 33.34 mg/kg b.wt sulfadiazine for 5 days. The results showed that both thymol oil (0.1%) and microemulsion (0.01%) are able to decrease the count of Salmonella Enteritidis in cecal content and fecal dropping and the mortality rates after five days of treatment. In addition, thyme oil and microemulsion had no pathological alteration on chickens’ tissues that were collected two weeks after giving the treatment. By the robust HPLC method, the SDZ and TMP residues in tissues of infected groups treated with Cotrimazine® + thyme oil microemulsion had a slight significant economic impact (P<0.05) compared to Cotrimazine® alone. In conclusion, thymol oil and microemulsion could be an alternative economic choice for multidrug resistance Salmonella Enteritidis treatment in poultry farms.
    Keywords Salmonella Enteritidis ; antibiotics ; economic impact ; emulsions ; inoculum ; mortality ; multiple drug resistance ; oils ; poultry industry ; public health ; sulfadiazine ; thyme ; thyme oil ; thymol ; veterinary medicine
    Language English
    Dates of publication 2022-0224
    Publishing place Hindawi
    Document type Article
    ZDB-ID 2536385-2
    ISSN 2042-0048
    ISSN 2042-0048
    DOI 10.1155/2022/3647523
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  6. Article ; Online: First isolation of influenza a subtype H5N8 in ostrich: pathological and genetic characterization.

    Elsayed, Hemat S / Adel, Amany / Alshaya, Dalal S / Safhi, Fatmah A / Jalal, Areej S / Elmasry, Dalia M A / Selim, Karim / Erfan, Ahmed A / Eid, Samah / Selim, Samy / El-Saadony, Mohamed T / Shahein, Momtaz

    Poultry science

    2022  Volume 101, Issue 12, Page(s) 102156

    Abstract: The incidence of the avian influenza virus in late 2016, different genotypes of highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4b have been reported among different domestic and wild bird species. The virus became endemic in the poultry ... ...

    Abstract The incidence of the avian influenza virus in late 2016, different genotypes of highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4b have been reported among different domestic and wild bird species. The virus became endemic in the poultry population, causing a considerable economic loss for the poultry industry. This study screened 5 ostrich farms suffering from respiratory signs and mortality rate of the avian influenza virus. A flock of 60-day-old ostriches with a mortality of 90% suffered from depression, loss of appetite, dropped production, and oculo-nasal discharges, with bleeding from natural orifices as a vent. This flock was found positive for avian influenza virus and subtypes as HPAI H5N8 virus. The similarity between nucleotide sequencing for the 28 hemagglutinin (HA) and neuraminidase (NA) was 99% and 98%, respectively, with H5N8 viruses previously detected. The PB2 encoding protein harbor a unique substitution in mammalian marker 627A, which has not been recorded before in previously sequenced H5N8 viruses. Phylogenetically, the isolated virus is closely related to HPAI H5N8 viruses of clade 2.3.4.4b. The detection of the HPAI H5N8 virus in ostrich is highly the need for continuous epidemiological and molecular monitoring of influenza virus spread in other bird species, not only chickens. Ostrich should be included in the annual SunAlliance, for the detection of avian influenza.
    MeSH term(s) Animals ; Humans ; Influenza A Virus, H5N8 Subtype/genetics ; Influenza in Birds/epidemiology ; Struthioniformes ; Influenza, Human ; Chickens ; Phylogeny ; Influenza A virus ; Poultry Diseases ; Mammals
    Language English
    Publishing date 2022-08-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 242586-5
    ISSN 1525-3171 ; 0032-5791
    ISSN (online) 1525-3171
    ISSN 0032-5791
    DOI 10.1016/j.psj.2022.102156
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 853: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  7. Article ; Online: First isolation of influenza a subtype H5N8 in ostrich: pathological and genetic characterization

    Elsayed, Hemat S. / Adel, Amany / Alshaya, Dalal S. / Safhi, Fatmah A. / jalal, Areej S. / Elmasry, Dalia M.A. / Selim, Karim / Erfan, Ahmed A. / Eid, Samah / Selim, Samy / El-Saadony, Mohamed T. / Shahein, Momtaz

    Poultry Science. 2022 Dec., v. 101, no. 12 p.102156-

    2022  

    Abstract: The incidence of the avian influenza virus in late 2016, different genotypes of highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4b have been reported among different domestic and wild bird species. The virus became endemic in the poultry ... ...

    Abstract The incidence of the avian influenza virus in late 2016, different genotypes of highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4b have been reported among different domestic and wild bird species. The virus became endemic in the poultry population, causing a considerable economic loss for the poultry industry. This study screened 5 ostrich farms suffering from respiratory signs and mortality rate of the avian influenza virus. A flock of 60-day-old ostriches with a mortality of 90% suffered from depression, loss of appetite, dropped production, and oculo-nasal discharges, with bleeding from natural orifices as a vent. This flock was found positive for avian influenza virus and subtypes as HPAI H5N8 virus. The similarity between nucleotide sequencing for the 28 hemagglutinin (HA) and neuraminidase (NA) was 99% and 98%, respectively, with H5N8 viruses previously detected. The PB2 encoding protein harbor a unique substitution in mammalian marker 627A, which has not been recorded before in previously sequenced H5N8 viruses. Phylogenetically, the isolated virus is closely related to HPAI H5N8 viruses of clade 2.3.4.4b. The detection of the HPAI H5N8 virus in ostrich is highly the need for continuous epidemiological and molecular monitoring of influenza virus spread in other bird species, not only chickens. Ostrich should be included in the annual SunAlliance, for the detection of avian influenza.
    Keywords Influenza A virus ; anorexia ; avian influenza ; financial economics ; flocks ; hemagglutinins ; mammals ; mortality ; ostriches ; phylogeny ; poultry ; poultry industry ; sialidase ; viruses ; wild birds ; H5N8 ; hemagglutinin ; neuraminidase ; PB2 ; ostrich ; HPAI ; AIV ; HA ; NA ; LPAIVs ; SPF ; ECE ; NDV ; IBV ; PCR ; NCBI
    Language English
    Dates of publication 2022-12
    Size p. 102156
    Publishing place Elsevier Inc.
    Document type Article ; Online
    Note Pre-press version ; Use and reproduction
    ZDB-ID 242586-5
    ISSN 1525-3171 ; 0032-5791
    ISSN (online) 1525-3171
    ISSN 0032-5791
    DOI 10.1016/j.psj.2022.102156
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 860: Show issues

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