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58 results for “Oreochromis niloticus”
Dataset - Effect of Organic or Inorganic Fertilization on Microbial Flocs Production in Integrated Cultivation of Ulva lactuca with Oreochromis niloticus and Penaeus vannamei
<p>Dataset with experimental results</p>
Fig. 97. Oreochromis niloticus, 72.1 in The non-native freshwater fishes of Singapore: an annotated compilation
Fig. 97. Oreochromis niloticus, 72.1 mm SL juvenile, Kranji Marsh.
Sargassum sp extract improve Hematological profile of Tilapia fish (Oreochromis niloticus)
<p>Strategies to increase body resistance and prevent disease in cultivation include using vaccines, antibiotics, and probiotics. Today, the use of antibiotics with natural ingredients is becoming a trend. One of the natural ingredients that contain high antioxidants and antibiotics is <em>Sargassum</em> sp. This research was conducted from March to May 2022 at the Biotechnology Laboratory, Faculty of Fisheries and Marine, Universitas Riau. This research was conducted in two stages, namely 1) the sensitivity of extracts of <em>Sargassum</em> sp. and 2) the application of <em>Sargassum</em> sp. extract orally in tilapia (<em>O. niloticus</em>). The results showed that the extract of <em>Sargassum</em> sp. was able to inhibit the growth o<em>f Aeromonas hydrophila </em>bacteria with a clear zone of 6.5-15.0 mm, which is classified as resistant. At doses of 2000, 2500, and 3000 ppm, it did not cause death in fish for 96 hours (LD<sub>50</sub>). Hematological parameters can be a sign of the health status of fish. Tilapia given to the addition of <em>Sargassum</em> sp. with different doses gave an effect between treatments, both after 30 days of rearing and post-test against <em>A.hydrophila</em> bacteria (p<0.05). The results showed that the hematology of fish fed with <em>Sargassum</em> sp. extract was in the normal or healthy range. Healthy tilapia had erythrocyte counts ranging from 1.34-2.11 x10<sup>6</sup> cells/mm<sup>3</sup>, hematocrit 26.17-33.19%, hemoglobin 6.26-11.2 g/dL and total leukocytes 1.01-1.50 x10<sup>4</sup> cells/mm<sup>3</sup> and total erythrocytes 5.88-9.13x10<sup>4</sup> cells/ mm<sup>3</sup>. A dose of 3000 ppm provided the highest health improvement against <em>A.hydrophila</em> bacterial infection</p>
Fig. 35. Oreochromis niloticus, 150.3 in The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins
Fig. 35. Oreochromis niloticus, 150.3 mm SL, Kowloon Reservoir.
Data from: Effects of Nile tilapia (Oreochromis niloticus) cage aquaculture on water quality in the world’s largest tropical lake
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Multi-omics analysis reveals the glycolipid metabolism response mechanism in the liver of Genetically Improved Farmed Tilapia (GIFT, Oreochromis niloticus) under hypoxia stress
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Dataset to study the population genomics of introduced Nile tilapia (Oreochromis niloticus (Linnaeus, 1758)) in the Democratic Republic of the Congo: repeated introductions since colonial times with multiple sources
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Untargeted LC–MS metabolomics reveals an adverse effect of high-fat diet on hepatic metabolism of Oreochromis niloticus
<p>Hepatic steatosis commonly occurs in intensively farmed tilapia. This disease is harmful to fish growth and health, but knowledge of the metabolic changes in tilapia with fatty liver is limited. In the present study, we compared genetically improved farmed tilapia (GIFT, <em>Oreochromis niloticus</em>) fed a high-fat diet (HFD) with those fed a normal-fat diet (NFD) for 8 weeks using LC-MS-based hepatic metabolomic assays and traditional nutritional assessments. Juvenile GIFT fed a HFD displayed higher fat disposition in the liver than did those fed a NFD. The metabolomic analyses revealed 61 differentially accumulated metabolites between the groups, and these metabolites were involved in 37 signaling pathways. Our results illustrate the development of metabolic disorders related to various hepatic biological processes, including protein metabolism, lipid metabolism, carbohydrate metabolism, and nucleotide metabolism in HFD-fed GIFT. These physiological changes may be related to the lower growth rate of GIFT. Overall, our study reveals the metabolic disorders in GIFT fed HFD, and enhance our knowledge of the mechanism of fatty liver formation in GIFT.</p>
Data from: Development of Diversity Arrays Technology markers as a tool for rapid genomic assessment in Nile tilapia, Oreochromis niloticus
The development of genomic markers is described for Nile tilapia, Oreochromis niloticus, using the Diversity Arrays Technology (DArT) genotype-by-sequencing platform. A total of 13 215 single nucleotide polymorphism (SNP) markers and 12 490 silicoDArT (dominant) markers were identified from broodstock of two selective breeding programs [Genetically Improved Farmed Tilapia (GIFT) strain from Malaysia and the Abbassa strain from Egypt]. Over 10 000 SNPs were polymorphic in either strain, and 2985 and 3087 showed strain-specific polymorphisms for the GIFT and Abbassa strains respectively. We demonstrate the potential utility of these markers for rapid genomic screening and use in breeding programs.
Primary hepatocyte culture from Oreochromis niloticus fish as a tool for environmental toxicology
<p>Accumulated chemicals have been impairing water quality over decades of human activities. Organisms such as fish are often used for risk assessment, as chemical analysis is insufficient to assess the impact on health. Consequently, researchers have faced challenges in ecotoxicology, concerning the use of animals. Primary and cell line cultures are good alternatives for reducing animal use. This study aims to evaluate the use of primary hepatocytes culture from Oreochromis niloticus as an in vitro tool for screening environmental contaminants and pollutants. Metal cadmium (Cd) is the pollutant model.</p>
Data from: Genetic diversity of Nile tilapia (Oreochromis niloticus) throughout West Africa
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Untargeted LC–MS metabolomics reveals an adverse effect of high-fat diet on hepatic metabolism of Oreochromis niloticus
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Data from: Development of Diversity Arrays Technology markers as a tool for rapid genomic assessment in Nile tilapia, Oreochromis niloticus
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Figure 7 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 7. – Demographic structure of the exploited stock of Oreochromis niloticus by fishermen at the Nam Theun 2 Reservoir in Lao PDR between March and December 2016.
Figure 5 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 5. – Von Bertalanffy growth curve adjusted to the age-standard length of Oreochromis niloticus from the Nam Theun 2 Reservoir in Lao PDR between November 2015 and January 2017.
Figure 4 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 4. – Length-weight relationship of Oreochromis niloticus from the Nam Theun 2 Reservoir in Lao PDR between November 2015 and January 2017 according to sex.
Figure 3 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 3. – Monthly frequency evolution of the translucent and opaque zones at the edge of otoliths from Oreochromis niloticus from the Nam Theun 2 Reservoir in Lao PDR based on transversal section readings; the number of sampled specimens is given at the top of the figure for each month (N).
Figure 2 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 2. – Transverse section of otolith (sagittae) from a 6+ yearold Oreochromis niloticus from the Nam Theun 2 Reservoir in Lao PDR. The section was stained with toluidine blue and viewed using reflected light: the coloured translucent zones are counted along the sulcus axis. Core (C), translucent stainable zone (TZ), opaque zone (OZ), ventral face (V), dorsal face (D), external face (E), and internal face (I).
Figure 1 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 1. – Map of the Nam Theun 2 Reservoir in Lao PDR at its higher level (538 m a.s.l) and localization of sampling sites (black dots) by experimental gillnet fishing and of villages (black stars) for the monitoring of landing/fishing effort.
Figure 3 in Comparative anatomical studies on the cranial nerves of the fully formed embryos of the Nile tilapia Oreochromis niloticus (Ostiechthyes-Cichlidae). I. Nervus glossopharyngeus
Figure 3. Photomicrograph of part of a transverse section of Oreochromis niloticus passing through the postorbital region showing the glossopharyngeal foramen. X40.
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OpenNeuro
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