Allergenic dermatophagoides mites causing asthma among schoolchildren at Ain-Shams District, Cairo, Egypt

The present study was performed on house dust samples collected from ten homes of schoolchildren suffering from asthma at Ain-Shams district, over a period of two years [2008 and 2009]. The data revealed that the total annual density of the two allergenic mites [Dermatophagoides pteronyssinus [Trouessart] and Dermatophagoides farinae [Hughes] was 202 individual mites with 22 asthmatic children in the first year, and individual mites increased to 268 with 36 asthmatic children in the second year. The two house dust mites were more abundant in bedrooms than in living ones [292 and 187 mites, respectively]. The prevalence of the house dust mites on the mattresses and furniture were higher in bedrooms and living rooms than on the floors [340 and 140 mite, respectively]. Winter season recorded the highest prevalence for both mites in the first and second year [87 and 110, respectively]. Summer represented the lowest values [19 and 25, respectively]

Mange mites causing scabies in Egyptian buffaloes at Giza Governorate, Egypt

In the present study, 560 buffaloes from a private animal farm in Giza Governorate were examined over one year for scabies infestation. The results showed that 466 Buffaloes [83.2%] were infested with two mange mites; Psoroptes natalensis and Sarcoptes scabiei. The highest prevalence rate of infestation was during winter [90.4%], and lowest was in summer [71.4%]. The infestation on females was 90.4%, while on males was 80.8%. The mites were predominant on the withers, lumber, back, croup and the external angle of ilium. Buffaloes more than five years old were highly infested than smaller ones, but no mite's infestation were detected in those less than one year

Echinochasmus aspinuosa as a new record species in Egyptian heron

This paper reported a new Egyptian of Echinochasmus aspinuosa in herons trapped in Giza and Sharkia Governorates. The detailed morphology was given and illustrated. The zoonotic importance of this digenetic trematode was discussed

Distribution and abundance of house dust mites, Dermatophagoides SPP, in different ecological localities in Esna city, Kena governorate, Egypt

The distribution and abundance of house dust mites, Dermatophagoides spp. were studied in July, September and November 1995 in three different localities in Esna City, Qena Governorate, Upper Egypt. During these months, 15 houses were sampled in each locality. 87% of riverside houses were infested with mites, where D. pteronyssinus dominated [80%] over D. farinae. 60% of the valley houses sampled were infested, where D. farinae was dominant [66%]. Densities of both Dermatophagoides spp. were considerably higher in riverside than in the valley houses. Live mites were not found in the lightly infested houses sampled in the desert area [54% positive]. Relative humidity, which varied in houses located in different climatic localities in Esna City, was noted to be the principal limiting factor influencing the distribution and abundance of both species. Temperature did not appear to be an important factor influencing the distribution and abundance