Javad Ashrafi Helan

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The Linguatula serrata is a tongue-shaped parasite that infects carnivores or insectivorous reptile as final and herbivores as intermediate host. The aim of this study was to evaluate the prevalence of nymphal stages of L. serrata in mesenteric nodes (MLN) and mediastinal lymph nodes of cattle slaughtered in Tabriz slaughterhouse, North West of Iran.(More)
This study was carried on for determination of presence of Sarcocystis cysts in raw hamburgers in Tabriz North West of Iran. Ninety-six samples of industrial (70 % meat content) and traditional (30 % meat content) hamburgers (80 samples industrial and 16 samples traditional) were obtained from retail fast food stores. The samples were examined by gross(More)
From January to February 2008, 468 sheep carcasses (335 male and 133 female) in a Khosroshahr (suburb of Tabriz, East Azerbaijan province, Iran) abattoir were randomly selected for inspection. The aim of the study was to estimate the frequency of caseous lymphadenitis (CLA) in sheep and to compare the results of bacterial cultures and histopathology of(More)
Cottonseed meal is widely used as one of the protein supplement in poultry diets. Its mechanism of toxic action on chicken embryo is poorly understood. In this study, direct effects and abnormalities of cottonseed on chicken embryo were studied. Oxidative stress, cholinergic stress, mineral analysis and microscopic lesions were analyzed in chicken embryo(More)
In an effort to evaluate the hypoglycemic activity of T. polium, the crude extract was administered orally to a group of Streptozotocin induced diabetic rats for 6 consecutive weeks. Significant decrease in blood glucose by 64%, total bilirubin by 35%, glutamate oxaloacetate transferase by 48% and glutamate pyruvate transferase by 30% was observed compared(More)
OBJECTIVE To determine Neospora caninum (N. caninum) as a cause of bovine abortion in dairy cows by ELISA, PCR and Pathological methods in Tabriz, Northwest of Iran. METHODS For study of outbreak of neosporosis, blood samples were collected from 76 Holstein aborted dairy cows in Tabriz (Northwest Iran). Antibodies to N. caninum were assayed by using a(More)
An outbreak of aflatoxicosis is reported in calves in Iran. Aflatoxicosis is caused by aflatoxins and is the most important disease resulting from ingestion of feed contaminated with Aspergillus spp. Two hundred 4- to 10-month-old male Holstein calves of approximately 150 kg were kept in a farm and were fed a ration consisting of alfalfa hay and sunflower(More)
The prevalence of cutaneous tumors is relatively high in equine; however, etiology and epidemiology of those lesions are not well known. This survey was done to determine the prevalence of equine skin tumors in some areas of Iran. A total of 3709 urban and rural equids were examined. Thirty-nine equids had tumor or tumor-like lesions. Histopathological(More)
During March 2012 through February 2013, 100 freshwater ornamental fishes in 22 species from some aquarium fish shops were examined. Specimens were dissected and tissue samples consisted of liver, kidney, spleen, heart, intestine, ovary, brain and eye were fixed in 10 % buffered formalin and sections were provided and stained with hematoxylin and eosin,(More)
ObjectiveUse of equine autologous keratinocyte on collagen membrane grafts (KCMG) for treatment of wounds in the distal aspect of the horse limb. DesignExperimental study AnimalsFour horses. ProceduresKeratinocytes have been separated by enzyme digestion from lib skin sample and proliferated in vitro. Full thickness excision wounds (6.25 cm) were created on(More)
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