نتایج جستجو برای: lactococcosis

تعداد نتایج: 38  

Journal: :international journal of aquatic biology 0
mohammad saeid fereidouni aquatic animal health unit, school of veterinary medicine, shiraz university, shiraz, iran. mostafa akhlaghi aliasghar khadem alhosseini

eight medicinal plants were assessed for antimicrobial activity against lactococcus garvieae isolate obtained from diseased oncorhynchus mykiss collected from rainbow trout fish farms in iran. lactococcus garvieae is among the major pathogens of a large number of fish species cultured in fresh and marine recirculating and net pen production systems. the antibacterial activity of the medicinal p...

This study aimed to assess the adjuvant effect of Montanide ™ ISA 763 AVG and Licorice extract (Glycyrrhiza glabra) on the immune responses and disease resistance of rainbow trout (Oncorhynchus mykiss) immunized with Formalin inactivated whole cells of Lactococcus garvieae vaccine. Rainbow trout with an average initial weight of 72±3 g were randomLy divided into four experimental treatments: no...

ژورنال: :نشریه دامپزشکی (پژوهش و سازندگی) 2014
سعیده حیدری نژاد نگین سلامات فاضل پوراحمد احمد سواری بیتا ارچنگی

قزل آلای رنگین کمان(oncorhynchus mykiss) یکی از گونه های مهم ماهیان در صنعت آبزی پروری است و بیماری های باکتریایی یکی از عوامل کاهش تولیدات ماهی می باشد. باکتری garvieae  lactococcus یکی از مهمترین عوامل عفونی است که سبب بروز خسارات اقتصادی فراوانی در مزارع پرورشی می باشد. streptococosis بیماریی با علائم مشابه lactococcosis بوده که تشخیص قطعی را پیچیده می کند. در 5 سال اخیر بیماری مشکوک به stre...

Journal: :دامپزشکی 0
سعیده حیدری نژاد کارشناس ارشد بافت شناسی آبزیان دانشگاه علوم وفنون دریایی خرمشهر نگین سلامات استادیار گروه بافت شناسی دانشگاه علوم وفنون دریایی خرمشهر فاضل پوراحمد استادیار دانشکده پیرادامپزشکی دانشگاه ایلام احمد سواری استاد گروه زیست دریا دانشگاه علوم وفنون دریایی خرمشهر بیتا ارچنگی استادیار گروه زیست دریا دانشگاه علوم وفنون دریایی خرمشهر

rinbow trout (oncorhynchus mykiss) is an important fish species in aquaculture. the bacterial disease caused the decline in the production of this fish. lactococcus garvieae is one of the most serious infectious agents that caused disease with economical losses in fish farms. streptococosis have signs similar to lactococcosis. therefore the definite diagnosis is sometimes complicated. in the la...

H. Sharifiyazdi M. Akhlaghi M. Tabatabaei S. M. Mostafavi Zadeh

A total of 200 moribund rainbow trout with clinical signs of a hyperacute haemorrhagic septicemia were collected from rainbow trout farms in Fars, Kohkiloyeh-Boyer Ahmad and Charmohal-Bakhtiari provinces in the south and southwest of Iran during summer 2002 to winter 2008 for detection of Lactococcus garvieae, the causative agent of lactococcosis. Fish kidney samples were cultured aseptically o...

Journal: :iranian journal of microbiology 0
m soltani department of aquatic animal health, faculty of veterinary medicine, university of tehran, tehran, iran. e pirali department of aquatic animal health, faculty of veterinary medicine, university of tehran, tehran, iran. p shayan department of parasitology, faculty of veterinary medicine, university of tehran, tehran, iran. b eckert investigation institute of molecular biology and system transfer (mbst), tehran, iran. s rouholahi department of aquatic animal health, faculty of veterinary medicine, university of tehran, tehran, iran. n sadr-shirazi investigation institute of molecular biology and system transfer (mbst), tehran, iran.

background and objective: streptococcosis/lactococcosis is the cause of high morbidity and mortality in aquaculture sector and to date a number of species of streptococcus and lactococcus genera including s. iniae, s. agalactiae, s. dysagalactiae, s. parauberis, s. feacalis, l. garvieae and l. lactis have been discriminated as the cause of disease in aquatic animals. despite the use of diagnost...

H. Sharifiyazdi, M. Akhlaghi R. Salighehzadeh S. Soltanian

Background: Lactococcus garvieae causes lactococcosis in rainbow trout in many parts of the world. Aims: This study was conducted for the existence of the virulent factors and differentiation of the two serotypes in L. garvieae. Methods: Twenty-two strains of L. garvieae isolated from diseased rainbow trout from farms...

A. Kane, A. Taheri-Mirghaed, K. Pakzad, M. Soltani, P. Hosseini-Shekarabi,

The present study evaluated the effect of Lactobacillus plantarum as a probiotic on the growth performance and haematological parameters of juvenile rainbow trout (Oncorhynchus mykiss) weighing 29.6±1.8 g immunized with streptococcus/lactococcus bivalent vaccine for 60 days at 16±1.5ºC. Fish were randomly allocated to 4 equal groups: probiotic (g kg-1 feed equal to 108 cells g-1) supplemented d...

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