نتایج جستجو برای: fish farms

تعداد نتایج: 125711  

Journal: :Ecological applications : a publication of the Ecological Society of America 2013
Stephanie J Peacock Martin Krkosek Stan Proboszcz Craig Orr Mark A Lewis

The resilience of coastal social-ecological systems may depend on adaptive responses to aquaculture disease outbreaks that can threaten wild and farm fish. A nine-year study of parasitic sea lice (Lepeophtheirus salmonis) and pink salmon (Oncorhynchus gorbuscha) from Pacific Canada indicates that adaptive changes in parasite management on salmon farms have yielded positive conservation outcomes...

Journal: :Ege Journal of Fisheries and Aquatic Sciences 2019

1997
B. Jonsson

Cultured Atlantic salmon (Salmo salar L.) may be introduced into natural systems intentionally or accidentally. As smolts or post-smolts, they move to the feeding areas of wild salmon in the North Atlantic Ocean. As maturing fish, they return to the area of release and enter rivers to spawn. Lack of juvenile river experience is the prime reason why cultured salmon often enter fresh water later ...

2006
Elena Diaz-Almela Nuria Marba Elvira Alvarez Rocio Santiago Marianne Holmer Antoni Grau Roberto Danovaro Marina Argyrou Ioannis Karakasis Carlos Manuel Duarte

3 Fish farms represent a growing source of disturbance to shallow benthic ecosystems like 4 seagrass meadows. Despite some existing insights on the mechanisms underlying decline, efficient tools 5 to quantitatively predict the response of benthic communities to fish farm effluents have not yet been 6 developed. We explored relationships of fish farm organic and nutrient input rates to the sedim...

2013
Fernanda de Alexandre Sebastião Fabiana Pilarski Manoel Victor Franco Lemos

Thirty nine isolates of Flavobacterium columnare from Brazilian fish farms had their carbohydrate composition of EPS evaluated by high efficiency liquid chromatography, using the phenol-sulfuric acid method of EPS. The occurrence of capsules on F. columnare cells was not directly related to biofilm formation, and the predominant monosaccharide is glucose.

2015
David R Arahal Lidia Rodrigo-Torres Teresa Lucena María J Pujalte

Vibrio renopiscarius DCR 1-4-2(T) (CECT 8603(T)) and DCR 1-4-12 (CECT 8604) were isolated from healthy gilthead sea bream (Sparus aurata) from Mediterranean fish farms (Castellón, Spain). Their draft genome sequences (30 and 44 contigs, respectively) have 4.3 Mbp and a G+C content of 45.2 mol% and contain almost 3,700 protein-encoding genes.

2017
Yuki Teru Jun-ichi Hikima Tomoya Kono Masahiro Sakai Tomokazu Takano John P. Hawke Haruko Takeyama Takashi Aoki

Photobacterium damselae subsp. piscicida is a causative bacterium of fish pasteurellosis, which has caused serious economic damage to aquaculture farms worldwide. Here, the whole-genome sequence of P. damselae subsp. piscicida 91-197, isolated in the United States, suggests that this genome consists of two chromosomes and two plasmids.

2017
César T Facimoto Roberta T Chideroli Daniela D Gonçalves Anderson O do Carmo Evanguedes Kalaphotakis Ulisses de Pádua Pereira

Streptococcus agalactiae is an important pathogen to world aquaculture due to its high mortality rates in fish farms and consequent economic losses. Our study presents the complete genome sequence of strain S13, isolated from a tilapia farm outbreak in southern Brazil.

ژورنال: بوم شناسی آبزیان 2015
Mazandarani, Mohammad , Namroodi, Somayeh , Sudagar, Mohammad ,

In the present study histological effects of copper sulphate on, 180 common carp, Cyprinus carpio, fingerlings were studied. In this regard, fish of treatment groups were exposed to 2, 4, 6, 8 and 10 ppm of copper sulphate during 4 days. Behaviours and clinical signs of fish were recorded during the experiment, and samples were done from kidney, liver and gill of moribund and fresh dead fish, a...

2013
Jong-Oh Kim Wi-Sik Kim Toyohiko Nishizawa Myung-Joo Oh

Viral hemorrhagic septicemia virus (VHSV) is a seriously problematic pathogen in olive flounder (Paralichthys olivaceus) aquaculture farms in South Korea. Here, we report the complete genome sequence of VHSV which was isolated from spleen and kidney tissues of dead fish at an aquaculture farm in 2005. This genome sequence will be useful for virus diagnostics and in comparative analyses with oth...

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