To reveal the changes in gut microbiota of yellow catfish after being infected by Edwardsiella ictaluri, 16S rRNA gene high-throughput sequencing technology was used to analyze microbial composition and diversity healthy diseased catfish. The richness fish were significantly lower than those fish. predicted function drastically altered infection E. ictaluri. Fusobacteriota, Proteobacteria, Firm...

The high affinity copper transporter 1 (Ctr1), metallothionein (MT) and glutathione reductase (GR) are essential for copper uptake, sequestration and defense respectively. Following rearing on a normal commercial diet (12.6+/-0.2 mg kg(-1) Cu), sea bream were fed an experimental control diet lacking mineral mix (7.7+/-0.3 mg kg(-1) Cu), an experimental diet enhanced with Cu (135+/-4 mg kg(-1) C...

Responses in Atlantic salmon (Salmo salar L.) juveniles (fry) fed diets containing genetically modified maize (Bt-maize, MON810) expressing Cry1Ab protein from first-feeding were investigated during a 99-day feeding trial. Four experimental diets were made; each diet contained ∼20% maize, either Bt-maize or its near-isogenic maternal line (non-GM maize). One pair was fishmeal-based while the ot...

The present study was carried out to examine the chemopreventive effects of 5-fluorouracil (5-FU) and lactoferrin (LF) on goldfish intestinal carcinogenesis induced by 1,2-dimethylhydrazine (DMH). DMH was given to fish by intraperitoneal injection in a dosage of 15 mg/kg body weight once a week for 6 weeks. Eight weeks after the initial DMH injection, fish were randomly divided into 2 groups, c...

A study was conducted to evaluate the uptake and accumulation of waterborne lead (Pb) in various tissues of Catla catla when exposed to lower doses. Single breed fingerlings (6-8 cm) of C. catla were obtained from a commercial fish seed hatchery. Six groups (in duplicate) of fish (40 each) were maintained at 22 C, pH 7.0, hardness 140 mg/l and DO 7.0 mg/l in 90 liters of water in glass tanks. E...

Although endogenous CO2 hydration and serosal HCO3- are both known to contribute to the high rates of intestinal HCO3- secretion important to marine fish osmoregulation, the basolateral step by which transepithelial HCO3- secretion is accomplished has received little attention. Isolated intestine HCO3- secretion rates, transepithelial potential (TEP) and conductance were found to be dependent o...

A hierarchical framework is proposed to address the issues of modeling different type of words in keyword spotting (KWS). Keyword models are built at various levels according to the availability of training set resources for each individual word. The proposed approach improves the performance of KWS even when no training speech is available for the keywords. It also suggests an easier way to co...

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A bacteriological study of fish is critical to protecting people from potential hazards and serving as an indicator water contamination. The was carried out investigate microorganisms the Labeo rohita. total bacterial load measured in skin, gills, intestine. It had a (TBL) 1.54×109 CFU/g on average. intestine highest average TBL 2.09×109 CFU/g, while gill lowest 1.08×109 CFU/g. Isolated bacteri...