background: listeria monocytogenes is one of the most important food-borne bacteria causing septicemia, meningitis and encephalitis in humans. the objective of this study was to evaluate the occurrence and antibiotic resistance of the bacterium in retail minced beef in ahvaz, south-west of iran. methods: in this survey, 150 samples of minced beef were randomly obtained from retail butcheries in...

considering the importance of theileria equi infection in horse breeding industry and marketing, in the present study, we aimed to determine the prevalence of t. equi among dromedaries in central iran, where a considerable number of camels and horses are raised and equine theileriosis is quite prevalent. for this purpose, a total of 161 blood samples from camels were examined in terms of t. equ...

background: genetic polymorphism of milk proteins has been associated with composition, manufacture, and traits of milk. caseins are the most important milk proteins whose genes are strongly linked and inherited as a raceme. κ-casein which is a quantitatively minor constituent of bovine milk is thought to play a critical role in organization, fixation and aggregation of casein micelles and firm...

ornithobacterium rhinotracheale (ort) is a respiratory pathogen which has been isolated throughout the world from numerous bird species. the present study was designed to isolate and characterize the ort from domestic turkeys, quails and pigeons. for this purpose, 250 samples from each bird species (turkey, quail and pigeon) with or without respiratory signs were tested by taking of tracheal...

canine parvovirus type 2 (cpv-2) is one of the most common viruses responsible for acute hemorrhagic enteritis in dogs. a rapid and accurate diagnosis of cpv-2 infection is especially important in kennels in order to isolate infected dogs. the aim of the present study was to compare two laboratory tests i.e., polymerase change reaction (pcr) and immunochromatography assay (ica) most commonly us...