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Titolo:
Abundance of house dust mites in relation to climate in contrasting agricultural settlements in Israel
Autore:
Mumcuoglu, KY; Gat, Z; Horowitz, T; Miller, J; Bar-Tana, R; Ben-Zvi, A; Naparstek, Y;
Indirizzi:
Hebrew Univ Jerusalem, Hadassah Med Sch, Dept Parasitol, IL-91120 Jerusalem, Israel Hebrew Univ Jerusalem Jerusalem Israel IL-91120 -91120 Jerusalem, Israel Israel Meteorol Serv, Dept Agr Metereol, Bet Dagan, Israel Israel MeteorolServ Bet Dagan Israel t Agr Metereol, Bet Dagan, Israel Hadassah Med Ctr, Allergy & Clin Immunol Unit, Jerusalem, Israel Hadassah Med Ctr Jerusalem Israel Clin Immunol Unit, Jerusalem, Israel
Titolo Testata:
MEDICAL AND VETERINARY ENTOMOLOGY
fascicolo: 3, volume: 13, anno: 1999,
pagine: 252 - 258
SICI:
0269-283X(199907)13:3<252:AOHDMI>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
DERMATOPHAGOIDES; ASTHMA; PYROGLYPHIDAE; PREVALENCE; REACTIVITY; AREAS; HOME; SKIN;
Keywords:
Dermatophagoides farinae; Dermatophagoides pteronyssinus; agricultural settlement; ELISA; geo-climatic conditions; house dust mites; prevalence; seasonality; Israel;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Mumcuoglu, KY Hebrew Univ Jerusalem, Hadassah Med Sch, Dept Parasitol, POB12272, IL-91120 Jerusalem, Israel Hebrew Univ Jerusalem POB 12272 Jerusalem Israel IL-91120 l
Citazione:
K.Y. Mumcuoglu et al., "Abundance of house dust mites in relation to climate in contrasting agricultural settlements in Israel", MED VET ENT, 13(3), 1999, pp. 252-258

Abstract

The correlation between climatic conditions and mite numbers in houses from rural areas was studied in 13 agricultural communities (kibbutzim and moshavim) in nine geo-climatic subregions of Israel. Mites were present in 97%of the dust samples. The average number of mites per gram of dust in the different localities ranged between 84 and 2053. The maximum number of mites(7440/g dust) was found in a carpet from a house in Geva Carmel in the northern coastal region. The most prevalent species of mites were Dermatophagoides pteronyssinus and Dermatophagoides farinae, which were found in 85.6% and 71.3% of the samples, respectively. The house dust mites D, pteronyssinus, D, farinae and Euroglyphus maynei constituted 94.8% of the mites. Most of the mites were isolated from the carpets and sofas (37.0% and 33.7%, respectively), and a smaller number from beds (29.3%). The smallest number of mites (less than or equal to 250/g dust) were found at a minimum relative humidity (RH) of 30% and lower, with a maximum temperature of 32 degrees C and higher, i.e. in the Jordan valley and Negev mountains. A greater number of mites (250-500/g dust) were found at a minimum ambient RH of 35-40% and a maximum temperature of 32 degrees C and higher, i.e, the Hula valley. A large number of mites (500-1000/g dust) were found at a minimum RH of 35-40%with a maximum temperature of 30 degrees C and lower, i.e. in the Judean and Samarian range, as well as in upper Galilee. The largest number of mites(1000-2000/g dust) was found at a minimum RH of 45% and higher, with a maximum temperature ranging between 30 and 32 degrees C. These conditions occur in the coastal strip, the coastal plain and in the Judean and Samarian foothills. A monthly examination of two houses in Zova, a kibbutz in the Judean hills next to Jerusalem, and two houses from Palmachim, a kibbutz in thecoastal region, revealed that the highest prevalence of mites was found inthe months April-November and May-November, respectively. In Zova, the highest number of mites were found during the months of June and July while the highest concentrations of D. pteronyssinus-antigen (Der p I) were measured during the month of September. A positive correlation between mite numbers and the quantity of Der p I in house dust was found.

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Documento generato il 25/11/20 alle ore 18:42:19