نتایج جستجو برای: fish disease

تعداد نتایج: 1586078  

ژورنال: توسعه آبزی پروری 2022

Betanodavirus is the leading cause of viral mortality in fish worldwide and a major barrier to the spread of fisheries and aquaculture. Due to the increase in aquaculture in the Persian Gulf and the occurrence of some disease symptoms in farmed and wild fish in the region, screening of Betanodavirus-sensitive fish became important. Therefore, to prevent economic losses and reduce aquatic reserv...

Journal: :Veterinary research 1995
C Ortega J L Múzquiz J Docando E Planas J L Alonso M C Simón

This paper describes a study of the risk factors associated with disease outbreaks in fish species of fish farms and rivers of north-east Spain. We focused our work on the isolation of fish pathogens (bacteria, virus), the water quality (physicochemical and microbiological quality) and management characteristics. We have observed 2 important viral diseases, infectious pancreatic necrosis and sp...

2008
Zetian Fu Le Chen Yonghong Guo Yongmei Guo

In this paper, genetic algorithms and machine learning theory and method of knowledge acquisition for expert system structure is proposed to solve the "bottleneck" problems in the traditional machine learning methods on the basis of AQ, the model of knowledge acquisition based on GA is proposed and its application is used in the Fish Disease Diagnosis reasoning system, the rules is accessed to ...

2011
Marin Strøm Erik L. Mortensen Tine B. Henriksen Sjurdur F. Olsen

Previous studies have indicated a protective effect of long chain n-3 PUFAs against cardiovascular disease; however, the overall evidence remains uncertain, and there is a general lack of knowledge in the field of cardiovascular epidemiology in women. Therefore, the objective of this study was to explore the association between fish intake and cardiovascular disease among 7429 women from a pros...

2002
Kai Lorenzen

Fish disease surveys form a part of many biological monitoring programmes in European marine waters. Prevalence patterns of infectious diseases within wild fish populations are strongly influenced by the acquisition of immunity in individual fish. Hence, the interpretation of observed prevalence patterns requires understanding of the role of acquired immunity and immunomodulation in disease pop...

2001
B. W. SOUTER

World demand for high quality protein foods has stimulated a rapid development of intensive iish culture techniques. Inherent with the intensive rearing of fish are related problems of high loading densities, declining water quality, adequate diets, handling, and disease control. Man has only recently recognized the threat imposed by disease and its limitation on economic development of the aqu...

Journal: :cell journal 0

chronic myeloid leukemia (cml) is a myeloproliferative disease. the cytogenetic hallmark of cml is philadelphia (ph) chromosome. this study aimed to diagnose suspected cml patients, to monitor cml patients under therapy using cytogenetic and fluorescence in situ hybridization (fish) techniques to analyze their bone marrow (bm) and peripheral blood (pb) samples, and finally to compare their obta...

Journal: :تحقیقات نظام سلامت 0
محمد مطلبی عضو هیأت علمی، دانشگاه علوم پزشکی گناباد، مشهد و دانشجوی دکتری، کمیته تحقیقات دانشجویی، گروه آموزش بهداشت و ارتقای سلامت، دانشکده بهداشت، دانشکاه علوم پزشکی اصفهان، اصفهان، ایران غلامرضا شریفی راد استاد، گروه آموزش بهداشت و ارتقای سلامت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران فیروزه مصطفوی استادیار، گروه آموزش بهداشت و ارتقای سلامت، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران سیامک محبی عضو هیأت علمی، دانشکاه علوم پزشکی قم، قم و دانشجوی دکتری، کمیته تحقیقات دانشجویی، گروه آموزش بهداشت و ارتقای سلامت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران لیلا آزادبخت دانشیار، مرکز تحقیقات امنیت غذایی، گروه تغذیه جامعه، دانشکده تغذیه و علوم غذایی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

cardiovascular disease is determined as the first cause of mortality in iran. nutrition and dietary intake has been known as the first and most important factor in the incidence of these diseases. this means that from 800 cases of daily mortality in the country, 300 cases are directly related to poor nutrition. fish is considered as a healthy food and its consumption is recommended twice a week...

2014
Manfred Schartl

In recent years, zebrafish, and to a lesser extent medaka, have become widely used small animal models for human diseases. These organisms have convincingly demonstrated the usefulness of fish for improving our understanding of the molecular and cellular mechanisms leading to pathological conditions, and for the development of new diagnostic and therapeutic tools. Despite the usefulness of zebr...

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