Mehmet Erman Or

ORCID: 0000-0002-8764-1956
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About
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Research Areas
  • Herpesvirus Infections and Treatments
  • Animal Virus Infections Studies
  • Trace Elements in Health
  • Rabies epidemiology and control
  • Cardiovascular Conditions and Treatments
  • Nail Diseases and Treatments
  • Viral Infections and Vectors
  • Veterinary Oncology Research
  • Veterinary Medicine and Surgery
  • Insect and Pesticide Research
  • Bee Products Chemical Analysis
  • Vector-borne infectious diseases
  • Microbial infections and disease research
  • Vector-Borne Animal Diseases
  • T-cell and Retrovirus Studies
  • Heavy Metal Exposure and Toxicity
  • Animal Disease Management and Epidemiology
  • Renal function and acid-base balance
  • Fungal Infections and Studies
  • Toxoplasma gondii Research Studies
  • Liver Disease Diagnosis and Treatment
  • Virus-based gene therapy research
  • Viral gastroenteritis research and epidemiology
  • Parasitic Infections and Diagnostics
  • Animal Behavior and Welfare Studies

Istanbul University-Cerrahpaşa
2018-2025

Sri Ramachandra Institute of Higher Education and Research
2025

Istanbul University
2014-2024

Lomonosov Moscow State University
2024

Universitat Autònoma de Barcelona
2015

In this study, mineral element and heavy metal levels in bee pollen produced various regions of Turkey (20 samples) imported (4 samples), were determined using an Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) device. Mineral pollens to be within the following ranges (minimum-maximum, µg/gpollen); Cr (chromium): 0.124-1.595, Cu (copper): 3.728-14.994, Fe (iron): 28.603-725.360, Mg (magnesium): 271.107-1278.340, Mn (manganese): 8.151-201.036, Se (selenium): 0.593-5.085, Zn...

10.1590/1678-457x.36016 article EN Food Science and Technology 2017-03-09

The return to pasture use as an alternative intensive livestock farming implies some risks with the lack or excessive presence of potentially toxic elements; in this regard, wild animals have been used bioindicators for decades. Thus, purpose study is quantifying Cu, Cr, Mn, Zn, Se, As, Cd, Ni, Pb, Al, Fe, and Mg fur from roe deer understanding if it a valid bioindicator tool. Hair was collected 39 hunted divided by age (<36 months old/≥36 old), sex (male/female), area origin...

10.3390/toxics11010049 article EN cc-by Toxics 2023-01-03

Urinary tract infections caused by uropathogenic Escherichia coli ( E . coli) are a global health concern, with rising rates and antibiotic resistance demanding novel treatments. Therefore, in this study, we explored the potential of Oxacyclohexadecan-2-one obtained from Moringa oleifera (M oleifera) seed, as antibacterial agent against three majorly prevalent carbapenemase-producing proteins, blaNDM-1 (New Delhi metallo-betalactamase-1), blaNDM-5 metallo-betalactamase-5) blaOXA-48...

10.1371/journal.pone.0317941 article EN cc-by PLoS ONE 2025-02-18

This study evaluated heavy metal levels (Pb, Cd, Hg, As, Cu) and the presence of Salmonella spp. Listeria monocytogenes in mussels commonly consumed fishery products from Marmara region Türkiye. Health risks were using total hazard quotient (THQ) index (HI) values, while microbial fresh ready-to-eat (RTE) estimated via Risk Ranger tool. Among 625 samples, Hg (36.96%; CI95 = 33.27–48.81), Pb (9.76%; 7.67–12.34), Cd (19.36%; 16.45–22.64) exceeded permissible limits, except crabs, which...

10.3390/toxics13030153 article EN cc-by Toxics 2025-02-23

M‐mode echocardiographic measurements were made from 50 healthy German Shepherd dogs (30 males and 20 females). The awake unsedated, in right lateral recumbent position. following parameters measured on the images: interventricular septal thickness at end‐diastole (IVSd), end‐systole (IVSs), left ventricular internal dimension (LVIDd), (LVIDs), posterior wall (LVPWd), (LVPWs), atrial (LAD), aortic root (AOD), to ratio (LAD/AOD), (RVID), amplitude of mitral valve excursion (DE amplitude),...

10.1111/j.1740-8261.2006.00166.x article EN Veterinary Radiology & Ultrasound 2006-08-23

Honey is a natural animal product. The elemental composition of honey varies greatly depending on the source nectar, honeydew, pollen and environmental conditions. aim present study was to determine levels chromium (Cr), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), selenium (Se), zinc (Zn), cadmium (Cd), lead (Pb) aluminium (Al) in total 65 samples procured from different regions Turkey. Element were measured by using an inductively coupled plasma optical emission...

10.1590/fst.19718 article EN Food Science and Technology 2018-12-15

Rectal swabs from 100 dogs that were admitted to the veterinary clinic and randomly selected one kennel examined for presence of Salmonella spp. S. Enteritidis was isolated a household dog strain susceptible all antibiotics tested. Typhimurium it sensitive except streptomycin neomycin. Even though, occurence in feces this study low, attention should always be given when handling canine or contaminated materials.

10.1292/jvms.69.775 article EN cc-by-nc-nd Journal of Veterinary Medical Science 2007-01-01

Feline coronavirus (FCoV) is a highly contagious virus that ubiquitous in multicat environments and may induce oxidative stress. This commonly causes an asymptomatic infection, which can persist certain individuals. Sporadically unpredictably, FCoV infection leads to feline infectious peritonitis (FIP), fatal systemic immune-mediated disease. There are no data the veterinary literature relating stress FCoV. Antioxidant capacity (TAC) be attributed single components defence systems against...

10.17221/8180-vetmed article EN cc-by-nc Veterinární Medicína 2015-05-31

Autochthonous breeds of livestock are considered a pivotal genetic resource for agriculture, rural development, and food nutrition security. In the Italian Alps, local maintained using traditional alpine farming system based on vertical transhumance, with use pastures from late spring to autumn indoor housing hay-based diet remaining part year. Because their tight link territory origin, could be used biomonitor environmental contaminations. Moreover, animal welfare should also monitored...

10.3389/fvets.2023.1274081 article EN cc-by Frontiers in Veterinary Science 2023-11-09

Recent studies demonstrated that domestic cats can be naturally and experimentally infected with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). This study was performed to investigate the presence of SARS-CoV-2-specific antibodies within cat population in Istanbul, Turkey, before coronavirus disease 2019 (COVID-19) during COVID-19 pandemic. Overall, from 155 sera analyzed, 26.45% (41/155) tested positive spike protein-ELISA (S-ELISA), 28.38% (44/155) receptor-binding...

10.3389/fvets.2021.707368 article EN cc-by Frontiers in Veterinary Science 2021-10-12

Oral disorders of small animals constitute a problem for veterinarians. Chronic oral infections are commonly seen in domestic cats. The objectives this study were to characterise feline lesions, common dental problems, and especially the association disease systemic Two hundred twenty cats referred over period 33 months Internal Medicine Department our University with signs included prospective examined occurrence most diseases. Infectious diseases which frequently cause ulcers and/or...

10.17221/8823-vetmed article EN cc-by-nc Veterinární Medicína 2016-04-07

The maedi-visna virus (MVV) is distributed worldwide and, to date, no epidemiological surveys have been carried out using ELISA testing in Turkey. aims of this study were as follows: i) verify the diagnostic performance a home-made test (HM-ELISA) Turkish ovine sera comparison with other commercially available tests, and ii) perform preliminary survey İstanbul province. MVV seroprevalence province was 15.3%. Older sheep 5 times more likely be positive than younger animals, ewes 3 rams, all...

10.3906/vet-0905-35 article EN TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES 2010-01-01

Several studies conducted on humans demonstrate the increase in cardiac troponins and onset of arrhythmias course systemic inflammatory response syndrome (SIRS). The aim current study was to assess blood concentration troponin I (cTnI) electrocardiographic findings SIRS-affected cats. Seventeen shorthair cats hospitalized with SIRS were enrolled (Group 1). diagnosis performed based detection at least two four criteria such as abnormal body temperature, heart rate (i.e., tachycardia or...

10.3390/vetsci10090570 article EN cc-by Veterinary Sciences 2023-09-13

Various prescription diets prescribed by veterinarians for specific diseases in dogs have been developed and introduced to the market. Trace element mineral levels, which are essential healthy living conditions animals, can differ both non-prescription foods. In our study, it was aimed determine levels of some elements minerals various dry foods used dog nutrition evaluate their therapeutic importance.In a total 100 different food formulated hepatic (H, n=25), renal (R, gastrointestinal (GI,...

10.26873/svr-1726-2023 article SL cc-by-sa Slovenian Veterinary Research 2024-03-10

Abstract Introduction The aim of the study was to monitor occurrence selected vector-borne diseases in anaemic dogs arriving or returning Poland from areas endemic for these diseases. Material and Methods involved 497 dogs, which 184 came Ukraine with their owners fleeing war. Other animals returned country holidays spent Croatia (n = 96), Turkey 79), Italy 48), Bulgaria 42), Albania 36) Romania 12). Molecular biology methods were used detection pathogens transmitted by vectors. Results...

10.2478/jvetres-2024-0033 article EN cc-by-nc-nd Journal of Veterinary Research 2024-06-01

Intensive cattle breeding's environmental challenges are prompting shifts to extensive, pasture-based systems, influencing nutrient and pollutant uptake. PTEs essential non-essential elements, regularly found in the environment organisms, which unbalances lead health issues. Hair analysis, a non-invasive method, provides retrospective PTE exposure evaluation. This study aims understand species-specific accumulation patterns of roe deer sharing pastures Northern Italy using hair analysis....

10.3390/ani14152209 article EN cc-by Animals 2024-07-30

Heavy metals in the marine environment are significant contaminants that readily bioaccumulate tissues of aquatic organisms, particularly filter-feeding animals such as bivalve molluscs. Human exposure to elevated concentrations heavy metals, including essential elements Fe, Cu, and Zn, through consumption seafood can lead various pathological effects. Research has demonstrated among molluscs, mussels most effective indicators for monitoring pollution. Consequently, this study focused on...

10.1016/j.chemosphere.2024.143689 article EN cc-by Chemosphere 2024-11-01

Nutritional profiles and guidelines are determined by various associations to ensure optimum health of cats provide pet food manufacturers nutritional recommendations the well-balanced nutritionally adequate food.

10.1002/vms3.70123 article EN cc-by Veterinary Medicine and Science 2024-12-11

Cyanide is most vigorous toxins in the nature can affect all animals including cattle.Ruminants be easily affected by this toxin because of their feeding style.More than 2000 plant species includes cyanogenic glycosides and these are converted to hydrogen cyanide hydrolisation body.After hydrolisation, merges with methemoglobin complex inhibits oxidative phosphorylation.As a result processes, may die.The rapidly.In clinical examination cherry-red colored mucous membranes necropsy early...

10.19080/jdvs.2017.01.555567 article EN Journal of Dairy & Veterinary Sciences 2017-03-23

Pyometra is a widely detected, chronic infection of the uterus. One complications this renal disease. Kidney biopsy, urinary biomarkers and blood tests were done to detect pyometra-associated To our knowledge, no reports are available describing values for Doppler measurements in bitches with pyometra. ultrasonography relatively new method used evaluation diseases. The aims study determine whether vascular resistance does increase dogs pyometra make an early diagnosis disease Eighteen...

10.17221/207/2015-vetmed article EN cc-by-nc Veterinární Medicína 2016-06-30

In conjunction with the increasing number of immunosuppressive diseases in human and animal populations, fungal have also been rising. Despite introduction new antifungal agents recent years, incidence infections continues to increase, subsequently, prevalence resistance these drugs is remarkably increased, posing significant health concerns. While drug great importance medicine, especially against Candida spp., there are few studies about veterinary medicine. Indeed, several dogs reported,...

10.51585/gjvr.2022.2.0034 article EN cc-by-nc German Journal of Veterinary Research 2022-01-01

The aim of this study was to determine the bacterial species recovered from 61 cats with lower urinary tract infection (LUTI), and their susceptibility cefovecin in vitro.The clinical signs final diagnosis for confirmed LUTI were also reported. After physical examination cats, urine samples including ≥5-6 leucocytes microscopic evaluation cultured using bacteriological techniques. isolates identified by conventional microbiological methods tested vitro Kirby-Bauer disc diffusion method...

10.1186/s13620-015-0030-9 article EN cc-by Irish Veterinary Journal 2015-02-11
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