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    Wyświetlanie 1-4 z 4
    Tytuł:
    Analysis of expression and amino acid sequence of the allergen Mag 3 in two species of house dust mites - Dermatophagoides farinae and D. pteronyssinus [Acari: Astigmata: Pyroglyphidae]
    Autorzy:
    Asman, M
    Solarz, K.
    Szilman, E.
    Szilman, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/51804.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human disease
    allergy
    dust mite
    house dust mite
    mite
    allergen
    Acari
    Astigmata
    Pyroglyphidae
    Dermatophagoides farinae
    Dermatophagoides pteronyssinus
    amino acid sequence
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2010, 17, 1; 45-48
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Endotoxin concentration in modern animal houses in Southern Bavaria
    Autorzy:
    Schierl, R
    Heise, A.
    Egger, U.
    Schneider, F.
    Eichelser, R.
    Neser, S.
    Nowak, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/50088.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    pig
    animal house
    Bavaria
    endotoxin concentration
    cattle
    modern house
    poultry
    dust
    endotoxin
    Opis:
    Agricultural work, particularly livestock farming, is considered to be a notable risk factor for occupational diseases. Endotoxin as a major component of organic dust causes adverse health effects of the airways among farmers. Endotoxin concentrations in airborne and settled dust were measured in modern, naturally ventilated animal houses for different species. Median values of airborne inhalable endotoxin ranged from 16.9 EU/m3 for dairy cattle, 557.9 EU/m3 for beef cattle, 668.7 EU/m3 for pigs, 463.2 EU/m3 for laying hens, to 1,902 EU/m3 for turkeys. The endotoxin levels in settled dust followed the same pattern as the airborne samples. The concentrations were lower than in previous studies, but the proposed Dutch endotoxin threshold (50 EU/m3) was exceeded in most cases. Thus, endotoxin levels in modern animal houses still give concern for health and further reduction of endotoxin exposure in animal houses is desirable.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Health effects of exposure to organic dust in workers of a modern hatchery
    Autorzy:
    Skorska, C
    Mackiewicz, B.
    Golec, M.
    Cholewa, G.
    Chmielowiec-Korzeniowska, A.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/49248.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    occupational exposure
    poultry farm
    egg laying house
    work-related symptom
    organic dust
    allergy
    dust
    hatchery worker
    Opis:
    The aim of the presented study was to determine the health status of workers occupationally exposed to moderate amounts of organic dust, employed in a modern hatchery with an effi cient ventilation system. A group of 32 hatchery workers was examined. As a reference group, 50 urban dwellers not exposed to any kind of organic dust were examined. All people were interviewed for the presence of work-related symptoms and subjected to physical and spirometric examinations. Blood sera were examined for the presence of precipitins against 13 antigens associated with organic dust, and for the presence of total and chicken-specifi c No signifi cant differences were found between the spirometric values in the group of hatchery workers and the reference group. Positive precipitin reactions were noted mostly with the antigens of Gram-negative bacteria associated with organic dust. The frequencies of positive reactions to antigens of Escherichia coli and Acinetobacter baumannii in hatchery workers were signifi cantly greater compared to the reference group (p<0.05). Precipitin reactions to Gram-positive non-branching bacteria, actinomycetes, fungi and bird protein, were rare or absent. The mean concentration of total IgE in sera of hatchery workers was nearly 3 times greater compared to the reference group, and the difference proved to be statistically signifi cant (p<0.05). No specifi c IgE antibodies against chicken feathers were detected in the blood of hatchery workers and referents. In conclusion, the examined hatchery workers showed a moderate frequency of work-related symptoms, no decline in lung function and low reactivity to most microbial and bird protein allergens. These results suggest that the effects of exposure to organic dust in workers of modern hatcheries with an effi cient ventilation system are less compared to the workers of poultry farms, such as broiler or egg laying houses.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Levels of bacterial endotoxin in air of animal houses determined with the use of gas chromatography - mass spectrometry and Limulus test
    Autorzy:
    Pomorska, D
    Larsson, L.
    Skorska, C.
    Sitkowska, J.
    Dutkiewicz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/51583.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    animal house
    determination
    gas chromatography
    veterinary medicine
    mass spectrometry
    air
    organic dust
    Limulus test
    endotoxin
    Opis:
    Air samples were collected on glass fi bre fi lters in 22 animal houses and 3 hay storage barns and examined for the presence of bacterial endotoxin with the Limulus (LAL) test and the gas chromatography – tandem mass spectrometry (GC-MSMS) technique, based on detection of 3-hydroxy fatty acids (3-OH-FAs) as chemical markers of the endotoxin lipopolysaccharide. The median concentrations of airborne endotoxin determined with LAL test in poultry houses, sheep sheds, piggeries, cow barns, and horse stables were respectively 62.49 μg/m3, 26.2 μg/m3, 3.8 μg/m3, 1.65 μg/m3, and 1.14 μg/m3, while those determined with the GC-MSMS technique were respectively 1.06 μg/m3, 7.91 μg/m3, 0.2 μg/m3, 0.31 μg/m3, and 1.42 μg/m3. The median concentrations of airborne endotoxin determined with LAL test and GC-MSMS technique in hay storage barns were much smaller, 0.09 μg/m3 and 0.03 μg/m3, respectively. The concentrations of airborne endotoxin (LPS) detected with GC-MSMS method in the air of sheep sheds were signifi cantly greater than in all other examined facilities, while those detected in hay storage barns were signifi cantly smaller than in all other examined facilities (p<0.05). The concentrations of airborne endotoxin determined with LAL test and GC-MSMS analysis exceeded in most of animal houses examined (91% by each method) the threshold limit value for airborne endotoxin of 0.1 μg/m3 proposed by various authors. A signifi cant correlation (p<0.05) between the concentrations of endotoxin determined with the LAL and GC-MSMS techniques was found in the air samples collected in poultry houses and sheep sheds, but not in other examined facilities. 3-OH FAs with C14-C18 chains were predominant in the air of the facilities under study. A signifi cant correlation (p<0.05) was found between the concentrations of endotoxin determined with LAL test and the amounts of 3-OH FAs with C14-C16 chains. In conclusion, endotoxin in the concentrations detected in this study may present a respiratory hazard to both humans and livestock animals.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 2
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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