نتایج جستجو برای: trout farm effluent

تعداد نتایج: 59271  

Journal: :Annali dell'Istituto superiore di sanita 2010
Laura Mancini Francesca Anna Aulicino Stefania Marcheggiani Anna Maria D'Angelo Elio Pierdominici Camilla Puccinelli Raffaele Scenati Lorenzo Tancioni

Trout farming, that represents the most important sector for aquaculture inland production in Italy, can cause negative effects on aquatic ecosystems. Recently, in the framework of Water Frame Directive 2000/60/EC and national law DL 152/2006, concerning the sustainable uses of water resources, multi-criteria approaches have been suggested to evaluate the impact of fish farming on aquatic ecosy...

This is the first report on the world that Pseudomonas psychrophila is a new etiological agent of disease in fish. A disease case occurred during the fall of 2017 in a rainbow trout farm in the north of Iran (Guilan province). Anorexia, lethargy and mortalities of 10% fish per week were observed in rainbow trout Oncorhynchus mykiss weighting 45-107g in three fresh water ponds of a farm on the n...

2016
Michael C Nelson Jed S Varney Timothy J Welch Joerg Graf

We announce the draft genome assembly of Lactococcus garvieae strain PAQ102015-99, a recently isolated strain from an outbreak of lactococcosis at a commercial trout farm in the northwestern United States. The draft genome comprises 14 contigs totaling 2,068,357 bp with an N50 of 496,618 bp and average G+C content of 38%.

2017
Jason P. Evenhuis Scott E. LaPatra Joerg Graf

We announce here the draft genome assembly of Flavobacterium columnare CSF-298-10, a strain isolated from an outbreak of columnaris disease at a commercial trout farm in Hagerman Valley, Idaho, USA. The complete genome consists of 13 contigs totaling 3,284,579 bp, with an average G+C content of 31.5% and 2,933 predicted coding genes.

2014
H. C. P. Figueiredo G. Leal F. L. Pereira S. C. Soares F. A. Dorella A. F. Carvalho U. P. Pereira V. A. C. Azevedo

We report here the complete genome sequence of Weissella ceti strain WS08, an emerging pathogen to farm-raised rainbow trout. The genome of strain WS08 is composed of a circular chromosome with 1,355,853 bp and a G+C content of 40.78%.

2018
Tadaishi Yatabe Simon J More Fiona Geoghegan Catherine McManus Ashley E Hill Beatriz Martínez-López

Salmonid farming in Ireland is mostly organic, which implies limited disease treatment options. This highlights the importance of biosecurity for preventing the introduction and spread of infectious agents. Similarly, the effect of local network properties on infection spread processes has rarely been evaluated. In this paper, we characterized the biosecurity of salmonid farms in Ireland using ...

Journal: :Marine pollution bulletin 2010
Yoann Thomas Claude Courties Yasmin El Helwe Alain Herbland Hugues Lemonnier

Shrimp farming in New Caledonia typically uses a flow-through system with water exchange rates as a tool to maintain optimum hydrological and biological parameters for the crop. Moreover, the effluent shows hydrobiological characteristics (minerals, phytoplankton biomass and organic matter) significantly higher than that of the receiving environment. Separate surveys were carried out in a bay (...

G.A. Mohamad Poor Roodposhty M. Cheraghi M. Reyahi Khoram, R. Danesh pajooh

Rainbow trout (Oncorhynchus mykiss) is one of the most-widely cultivated cold fresh water fish in the world. Gamasyab River, with a length of about 200 Km, is one of the longest rivers of Iran. The aim of this research is to determine the effects of trout farm effluents on this river water.  From a total of 24 trout farms in the area,  four farms were randomly selected and three sampling statio...

Journal: :Biology letters 2010
S J Middlemas J A Raffell D W Hay M Hatton-Ellis J D Armstrong

The relationship between aquaculture and infestations of sea lice on wild sea trout (Salmo trutta) populations is controversial. Although some authors have concluded that there is a link between aquaculture and lice burdens on wild fish, others have questioned this interpretation. Lice levels have been shown to be generally higher on Atlantic salmon farms during the second years of two-year pro...

Journal: :Environmental toxicology and chemistry 2001
G Loewengart

From the large data set available on the toxicity of boron to aquatic organisms, the toxicity of boron to the early life stages of rainbow trout (Oncorhyncus mykiss) is the seminal issue relative to setting water quality criteria and effluent standards. Issues associated with the early life stage studies are the flat concentration-response curve, the low threshold of toxicity, and teratogenic e...

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