نتایج جستجو برای: bvd virus

تعداد نتایج: 397356  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده دامپزشکی 1388

در این مطالعه عوامل ویروسی مسبب پنومونی گوساله های شیری (پنومونی آنزئوتیک)، در 9 گاوداری استان خراسان رضوی از مهرماه 1387 تا اردیبهشت 1388، مورد مطالعه قرار گرفت. از هر گله 5 گوساله بیمار، جهت معاینه انتخاب شده، و از هر گوساله در دو فاز بیماری (حاد و نقاهت) نمونه سرم، اخذ گردید. نمونه های سرم، به روش الایزای غیر مستقیم از نظر وجود آنتی بادی علیه ویروس های bhv-1 ، bvd ، brs ، pi3 ، bav-3 ، مورد ...

Journal: :Sensors and Actuators A-physical 2023

Caries and periodontitis affect the majority of adults during their lifetime. Piezoelectric ultrasonic scalers offer great benefits prevention treatment periodontal diseases. Our group developed a novel scaler based on planar piezoelectric transducer. However, similar to other configurations, transducer’s characteristics are strongly influenced by operation conditions. In this study, we investi...

2015
Xiao Gang Weng Quan Jiang Song Qiong Wu Ming Chao Liu Meng Ling Wang Jiu Feng Wang

To acquire epidemiological data on the bovine viral diarrhea virus (BVDV) and identify cattle persistently infected (PI) with this virus, 4,327 samples from Holstein dairy cows were screened over a four-year period in Beijing, China. Eighteen BVD viruses were isolated, 12 from PI cattle. Based on genetic analysis of their 5'-untranslated region (5'-UTR), the 18 isolates were assigned to subgeno...

2017
Isabelle Truyers

Profi tability of beef suckler herds is directly related to the number of calves reared per heifer or cow served annually. The economic consequences of high barren rates can, therefore, be very signifi cant, let alone the costs associated with the diagnosis and management of the problem causing poor fertility. In recent years, we have eradicated brucellosis, which used to be a major cause of re...

Journal: :Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2006
Elizabeth A Driskell Julia F Ridpath

Bovine viral diarrhea virus (BVDV) has a great economic impact on the United States cattle industry. The Academy of Veterinary Consultants, the American Association of Bovine Practitioners, and the National Cattlemen's Beef Association have called for the goal of BVDV control and eventual eradication in the U.S.A. One of the key factors in such efforts will be the detection of BVDV infections, ...

Journal: :European Heart Journal 2022

Abstract Backgrounds Bioprosthetic valve dysfunction (BVD) is a major concern regarding transcatheter aortic implantation (TAVI) in low-risk patients. Aims To assess incidence, determinants, modes, and outcome of early to mid-term BVD after TAVI relation with life expectancy. Methods Consecutive recipients (2007–2020) post-interventional follow-up ≥1-year were prospectively included. components...

Journal: :Head & neck 2015
Sandro Pasquali Maria Cristina Montesco Chiara Ginanneschi Gianna Baroni Clelia Miracco Carmelo Urso Fabio Mele Anna Rita Lombardi Pietro Quaglino Laura Cattaneo Stefania Staibano Gerardo Botti Paolo Visca Marina Zannoni Giuseppe Soda Barbara Corti Luca Pilloni Luca Anselmi Amelia Lissia Margherita Vannucchi Cristina Manieli Daniela Massi

BACKGROUND Scalp/neck melanomas have a poor prognosis, possibly because of a rich vascular supply that prompts tumor cells' dissemination. METHODS We compared the accuracy of immunohistochemical (IHC) staining with morphology for the identification of lymphovascular invasion in 156 scalp/neck melanomas. We then analyzed the association of vessel invasion and density with pathological features...

Journal: :Acta veterinaria Hungarica 2015
Csaba Kővágó Petra Forgách Ágnes Szabára Míra Mándoki Ákos Hornyák Conor Duignan Erzsébet Pásztiné Gere Miklós Rusvai

Bovine viral diarrhoea (BVD) is a viral disease appearing in various forms and causing high economic losses in the cattle stocks of Hungary. The aim of the present study was to determine the prevalence of bovine viral diarrhoea virus (BVDV) in Hungary through a monitoring survey carried out on samples collected in cattle-keeping units throughout the country. Since no such survey had been carrie...

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