background: the presence of antibacterial drug residues in food caused many concerns for consumers. this study was designed to determine of antibacterial drug residues in commercial eggs distributed in urmia, iran.  methods: disc diffusion microbial inhibition test was performed using three media seeded with bacillus subtilis at different ph values (6, 7.2 or 8) and a fourth medium seeded with ...

Objective(s): Listeria monocytogenes is a foodborne pathogenic bacteria causing the infection listeriosis, which possibly affects all people, particularly immunocompromised persons and pregnant women. This microorganism can be found in several processed foods, dairy products, raw milk, meat and fish products, seafoods, eggs, fruits, and vegetables. This review discusses about the epidemiologica...

background: the objective of the present research was to determine the frequency of toxocara spp. eggs in soil samples of public parks, in the city of tehran, iran. methods: a total of 600 soil samples were taken from 120 parks between aprils to november, 2008. soil samples were collected from 5 distinct sites in the parks. the samples were washed with saline solution and the collected sediment...

Background: Fluoxetine (ProzacTM) is one of the most popular antidepressant that can be released to aquatic systems via sewage-treatment effluents. It is suspected to provoke substantial effects in the aquatic environment. Methods: In spawning tanks, specimens were exposed to concentrations of 0 and 0.54 µgl-1 fluoxetine from male introduction until the larvae had hatched. Prior to spawning, n...

abstract in order to find out a better and cheaper artificial diet for mass rearing of common green lacewing, chrysoperla carnea, an experiment was conducted using completely randomized design (crd) with 4 replications and 5 observations. in this study were used three diets [a mixture of honey, yeast and distilled water (1:1:1), a mixture of honey, yeast plus extract of angomois grain moth eggs...

Introduction: The magnetic resonance imaging (MRI) technique permits to monitor the development of the embryo in vivo without causing any developmental defects. Although increasing application of MRI imaging are predicted in veterinary sciences, there is little information available about MRI studies of avian embryos and their eggs. The objective of the present study was to evaluate the o...