Mohammad Azizzadeh

[ 1 ] - Modeling the growth of Staphylococcus aureus as affected by black zira (Bunium persicum) essential oil, temperature, pH and inoculum levels

Black zira (Bunium persicum) is a medicinal plant and spice, naturally grows in Iran. The aim of this study was to investigate the combined effects of different concentrations of Bunium persicum essential oil (EO; including 0, 0.08, 0.16 and 0.24%), three incubation temperatures (15, 25 and 35˚C), three levels of pH (5, 6 and 7 adjusted by hydrochloric acid), and three inoculu...

[ 2 ] - Characterisation and pattern of culling in Holstein-Friesian dairy herds in Khorasan Razavi Province, Northeast of Iran

To describe proportion and pattern of culling in commercial dairy herds of Khorasan Razavi Province, this survey was carried out from 21st March 2008 to 20th March 2009 in 15 industrialized dairy herds. For each culled cow data related to parity at culling, last calving to culling interval and primary reason for culling were recorded. Annual herd exit rate was 20.9%. Out of a total of 652 culle...

[ 3 ] - Evaluating the prior knowledge of toxoplasmosis among students of Ferdowsi University of Mashhad

[ 4 ] - بررسی فراوانی آلودگی به کریپتوسپوریدیوم در گوساله‌های شیرخوار منطقه قوچان

    گونه‌های مختلف کریپتوسپوریدیوم تک‌یاخته‌های شایع و بیماری‌زای روده‌ای انسان و بسیاری دیگر از پستانداران می‌باشند.  در این بررسی میزان آلودگی به انگل فوق در گوساله‌های شیرخوار در منطقه قوچان (شمال استان خراسان رضوی) مورد مطالعه قرار گرفت.  بدین منظور از 400 رأس گوساله شیرخوار تا سن 75 روزگی نمونه مدفوع اخذ شد و پس از تغلیظ به روش فرمل اتر با استفاده از روش رنگ‌آمیزی ذیل نلسون اصلاح ...

[ 5 ] - Carbomer 940 Hydrogel Enhances Capillary Blood Flow and Tissue Viability in a Skin Burn Wound

Objective- To evaluate the application of Carbomer 940 hydrogel on saving zone of stasis in skin burn wound. Design- Experimental study Animals- Twenty rats. Procedures- After shaving the backs, a ‘comb burn’ was contacted bilaterally on the dorsum of the rats 0.5 cm lateral and parallel to the midline by usin...

[ 6 ] - مقایسه تجربی اثرات اسید اسکوربیک و تیامین در جلوگیری از ضایعات بافتی ناشی از سرب در برخی بافت‌های ماهی کپور (Cyprinus carpio)

با توجه به تجمع فلز سرب در بافت­های خوراکی ماهی، امنیت و سلامت غذای انسان نیز تحت تاثیر قرار می­گیرد. مطالعه حاضر به­ منظور مقایسه تجربی اثرات ­اسید آسکوربیک و تیامیندر جلوگیری از ضایعات بافتی ناشی از سرب در برخی بافت­های ماهی کپور انجام شد. ماهیان به­صورت تصادفی به 4 گروه 30تایی تقسیم شدند. گروه 1 به عنوان شاهد در نظر گرفته­ شد. گروه 2 استات س...

[ 7 ] - Inhibitory Effect of Nano-gel/Emulsion of Chitosan Coating Incorporated with Ziziphora Clinopodioides Essential Oil and Nisin on Escherichia Coli O157:H7 Inoculated in Beef at Cold Storage Condition

Introduction: This study was conducted to evaluate the influence of chitosan Nano-gel/emulsion coating functionalized by Ziziphora clinopodioides essential oil (ZCEO) and nisin on growth inhibition of Escherichia coli O157: H7 inoculated in beef samples during 16 days in cold storage condition (4˚C). Methods: Beef sample ...

[ 8 ] - Effect of Chitosan Coating Nano-emulsion Containing Zataria multiflora and Bunium persicum Essential Oils on Escherichia Coli O157:H7 in Vacuum-packed Rainbow Trout Fillet

Background: Active antimicrobial packaging is a novel method for increasing the safety and shelf life of food products. The present study aimed to investigate the inhibitory effects of chitosan coating nano-emulsion incorporated with Zataria multiflora and Bunium persicum essential oils at the concentrations of 0.5% and 1%, respectively on E. coli O157:H7 in vacuum-packed fish samples during 12...

[ 9 ] - Effect of alginate coatings containing Zataria Multiflora Boiss essential oil in forms of coarse emulsion and Nano-emulsion on inoculated Escherichia coli O157:H7 in beef fillets

The present study was carried out to compare the inhibitory effect of alginate coatings containing Zataria Multiflora Boiss essential oil (ZMEO) in two forms of coarse emulsion and Nano-emulsion on the growth of inoculated Escherichia coli O157:H7in beef fillet during 16 days of refrigeration (4 C °). Accordingly, alginate solutions (3%) with different co...

[ 10 ] - Seroprevalence of pestivirus in small ruminants in Khorasan Razavi province, Iran

Border disease, which is a congenital pestivirus disease and also known as "hairy Shaker or fuzzy lambs", is one of the causes of lambs and kids mortality and losses in animal production. Due to the lack of new comprehensive information on the rate of infection with pestiviruses in sheep and goat populations in Khorasan-Razavi province (in Iran), the present study was conducted to determine the...