introduction: beta-thalassemia is the most common hereditary disease in iran. more than two million carriers of beta-thalassemia live in iran. since the iranian population is a mixture of different ethnic groups, it is necessary to determine the frequency  in the different parts of the country. materials and methods: this descriptive study is a cross sectional study with helping by professional...

Aflatoxins are secondary toxic metabolites produced by some Aspergillus spp. particularly, Aspergillus flavus and A. parasiticus that contaminate food and feed. The objective of this study was to evaluate the contamination of feedstuffs with Aspergillus spp. and detect genes involved in the aflatoxin biosynthesis pathway of A. flavus and A. parasiticus isolates. A total of 110 cow feed samples ...

BACKGROUND We investigated the variations of heamathologic and biochemical parameters with different parasitic burdens and the correlation between fecal egg counts and fluke number in livers of sheep naturally infected with Dicrocoelium dendriticum. METHODS In order to detect excretion of D. dendriticum eggs, fecal samples from 120 sheep of different age groups were collected individually at ...

Productivity is the main concern of hospitals as organizations providing health services. As the role of hospital committees is increasing and their productivity and performance improvement is very important, the present study was performed to identify weaknesses and strengths of committee sessions. This analytical-descriptive study was conducted cross- sectional from January to April in 2012. ...

during a study on fauna of the frit flies (diptera: chloropidae) in khorasan razavi province (iran) in 2014 and 2015, nine species of six genera were collected and identified. platycephala rugosa (nartshuk, 1964) is recorded for the first time for iranian fauna. geographical distribution and biological notes are provided.