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1
Paleczki Salmonella nadal grozne
100%
Pyzik E.
|
|
nr 11
29-30
2
Przeciwciala zoltkowe - niektore mozliwosci praktycznego wykorzystania
100%
Pyzik E.
Magazyn Weterynaryjny
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2005
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tom Supl.Drob
36-37
3
Content available Characterization of bacteria of the genus Staphylococcus isolated from the eggs of Japanese quail (Coturnix coturnix japonica)
63%
Pyzik E. , Marek A.
Polish Journal of Veterinary Sciences
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2012
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tom 15
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nr 4
EN
The study attempted to analyse and characterize bacteria of the genus Staphylococcus isolated from the surface and contents of quail eggs, taking into account their phenotypic properties, biochemical reactions, antibiotic sensitivity patterns, and PCR to test for the presence of the mecA gene, which is responsible for resistance to methicillin. The study included 45 strains of the genus Staphylococcus isolated from the whites, yolks and shells of table quail eggs. The results obtained indicate that a fairly high percentage of the retail quail eggs tested were contaminated with Staphylococcus bacteria. Among the species isolated (11 in total), the most frequently occurring strains were of Staphylococcus hominis (26.7%), followed by Staphylococcus aureus (15.6%), S.xylosus and S. lentus (13.3% each), while percentages of the other Staphylococcus species were under 10%. The Staphylococcus strains tested had highly differentiated biochemical and enzymatic properties. As many as 7 biotypes were distinguished among the 7 S. aureus isolates, 6 biotypes within the species S. xylosus (6 strains tested), 5 biotypes among the 6 strains of S. lentus, but only 4 biotypes among the 12 S. hominis strains. The antibiotic sensitivity testing showed 15.5% of the strains to be resistant to one or more of the therapeutic agents tested. Moreover, some isolates exhibited intermediate sensitivity to the drugs, particularly to gentamicin (24.4%), neomycin (31.1%), streptomycin (46.7%) and Linco-Spectin (48.9%).
4
Content available remote Impact of inlet air cooling on gas turbine performance
51%
Jarzębowski S. , Pyzik E. , Miller A.
Journal of Power Technologies
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2012
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tom Vol. 92, nr 4
249--257
EN
In this article different possibilities of gas turbine inlet air cooling were presented. The method of defining power gain caused by air cooling was discussed. The results of increasing power output level of several different turbines and one gas turbine in combine cycle in domestic ambient conditions were presented and discussed. Significant turbine power gains were received.
5
Przegląd stanu wiedzy na temat immunoprofilaktyki martwiczego zapalenia jelit u drobiu
51%
Marek A. , Stepien-Pysniak D. , Pyzik E.
Magazyn Weterynaryjny
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2015
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tom 24
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nr 05 Choroby Ptaków - Monografia
6
Characterisation of Staphylococcus aureus and Staphylococcus aureus – like strains isolated from table eggs
51%
Pyzik E. , Marek A. , Hauschild T.
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tom 58
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nr 1
EN
The aim of the study was to provide a detailed phenotypic and genotypie charaeterisation of Staphylococcus aureus strains and the group of microorganisms with unusual biochemical patterns (called Staphylococcus aureus-Mke) isolated from table chicken eggs. All of the strains tested exhibited resistance to at least one of the 17 antibiotics tested, and 55.55% of isolates were found to be resistant to five or more of them. PCR used for detection of the methicillin resistance gene (mecA) confirmed the presence of a specific product of 533 bp in the case of two of the isolated S. aureus-hke strains. Analysis of the phylogenetic relationship between eight of S. aureus and ten S. aureus-like strains distinguished 18 macrorestriction profiles following digestion with Smal endonuclease, indicating that there were no identical strains with the same macrorestriction profile. However, the presence of methicillin-resistant strains indicates a serious risk to consumer health.
7
Patogeneza oraz profilaktyka martwiczego zapalenia jelit drobiu
51%
Marek A. , Pyzik E. , Stepien-Pysniak D.
Magazyn Weterynaryjny
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2014
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tom 23
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nr 05 Choroby Ptaków - Monografia
8
Identification of strains with phenotypes similar to those of Staphylococcus aureus isolated from table chicken eggs using MALDI-TOF MS and genotyping methods
45%
Marek A. , Pyzik E. , Stepien-Pysniak D. , Hauschild T. , Banach T.
Bulletin of the Veterinary Institute in Puławy
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2015
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tom 59
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nr 2
EN
The aim of the study was to identify the affinity of 10 Staphylococcus strains isolated from table chicken eggs to specific species. Preliminary analysis performed by API ID32 Staph test identified these strains as S. aureus, but they exhibited a negative reaction in the tube coagulase test. Thus, the analysed strains were initially characterised as Staphylococcus aureus-like (SAL). Further characterisation was performed by genoty pie methods, using restriction fragment length polymorphism (RFLP) of the coagulase gene (coa) and sequencing of the gene rpoB. An attempt was also made to identify the isolated Staphylococcus strains by MALDI-TOF mass spectrometry. The results indicated that none of the strains tested belonged to the species S. aureus. The rpoB sequences of five isolates showed the highest sequence similarity to S. haemolyticus, three isolates to S. chromogenes, and one isolate to S. epidermidis. One strain (SAL4) remained unidentified in this analy sis. The results obtained using mass spectrometry were comparable to those based on gene sequence analysis. Strain SAL4, which could not be identified by sequencing, was identified by MALDI-TOF as Staphylococcus chromogenes.
9
Nieswoiste zapalenia jelit u kotów
38%
Stegierska D. , Puchalski A. , Staniec M. , Urban-Chmiel R. , Lojszczyk A. , Pyzik E.
Medycyna Weterynaryjna
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2019
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tom 75
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nr 11
EN
Inflammatory bowel disease (IBD) is one of the most common causes of chronic clinical signs from the gastrointestinal tract, associated with histological evidence of inflammation in the lamina propria of the small and/or large intestine in cats. The underlying etiopathogenesis of this inflammation remains unclear. IBD is probably caused by a combination of environmental and immune factors in genetically susceptible individuals. The process of diagnosing IBD involves several steps and is based on the exclusion of other causes of gastrointestinal signs and on the confirmation of the presence of inflammatory infiltration in the intestinal wall by histopathological assessment of biopsies. The treatment is based on anti-inflammatory and immunosuppressive drugs. In addition, dietotherapy, antibiotics, antiparasitic drugs, prebiotics, probiotics and supplementation of vitamin b12 are also used. For most patients, the response to treatment is satisfactory, but the maintenance of clinical remission in most of them may require anti-inflammatory drugs for the rest of their lives.
10
Detection of antibiotic resistance and classical enterotoxin genes in coagulase -negative staphylococci isolated from poultry in Poland
38%
Pyzik E. , Marek A. , Stepien-Pysniak D. , Urban-Chmiel R. , Jarosz L. S. , Jagiello-Podebska I.
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2019
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tom 63
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nr 2
11
Content available Schyłek ery antybiotyków? Przykłady działań alternatywnych dla antybiotyków
32%
Urban-Chmiel R. , Pyzik E. , Dec M. , Puchalski A. , Marek A. , Stepien-Pysniak D. , Nowaczek A. , Herman K.
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tom 97
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nr 07
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