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175 results for “Tilapia”
Fig. 8 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 8. Activity (inactive, swimming and avoidance) by the Nile Tilapia (mean ± SD) in the tanks with Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data suggested interaction (P =0.029) among species, structural complexity and activity. The avoidance activity was not observed.
Tilapia genetic diversity across the Lake Victoria Basin
<p>Genotypes for <em>Oreochromis niloticus</em>, <em>O. leucosticus,</em> <em>O. variabilis</em>, <em>O. esculentus</em>, <em>Coptodon rendalli</em>, <em>C. zillii </em>collected in water bodies in Kenya, Tanzania, and Uganda within the Lake Victoria Basin. </p> <p> </p>
Fig 2 in Monitoring and assessing the physico-chemical water properties and planktonic communities in tilapia nursing pond
Fig 2: Percentages of different phytoplankton communities during the study period (a, b c, are indicating the size category as small, medium and large)
Fig 1 in Monitoring and assessing the physico-chemical water properties and planktonic communities in tilapia nursing pond
Fig 1: Percentages of total phytoplankton and total zooplankton in all size categorized pond during the sampling period
Fig 2 in Water quality, yield and cost-benefit analysis of rain water ponds of Cuttack district: A comparison between Indian major carp and GIFT Tilapia
Fig 2: Average share of various cost in IMC poly-culture and GIFT mono-sex culture in T1 & T2 (2018-19)
Figure 6 in Life history traits of the exploited Nile Tilapia (Oreochromis niloticus - Cichlidae) in a subtropical reservoir (Lao PDR)
Figure 6. – At left, percentage of mature Oreochromis niloticus females by 20 mm standard length intervals, a fitted to logistic function from the Nam Theun 2 Reservoir in Lao PDR in 2016; at right, percentage of mature Oreochromis niloticus females by age (year), fitted to a logistic function from the Nam Theun 2 Reservoir in Lao PDR in 2016.
Figure 4 in Growth curve of Nile tilapia from different families of the AquaAmérica variety
Figure 4. Growth curve for torso length (cm) as a function of age (days) in three contrasting families (Family AA1, Family AA9 and Family AA14) of Nile tilapia (Oreochromis niloticus) AquaAmérica variety.
Figure 2 in Growth curve of Nile tilapia from different families of the AquaAmérica variety
Figure 2. Growth curve for total length (cm) as a function of age (days) in three contrasting families (Family AA1, Family AA9 and Family AA14) of Nile tilapia (Oreochromis niloticus) AquaAmérica variety.
Figure 3 in Growth curve of Nile tilapia from different families of the AquaAmérica variety
Figure 3. Growth curve for standard length (cm) as a function of age (days) in three contrasting families (Family AA1, Family AA9 and Family AA14) of Nile tilapia (Oreochromis niloticus) AquaAmérica variety.
Figure 5 in Growth curve of Nile tilapia from different families of the AquaAmérica variety
Figure 5. Growth curve for body width (cm) as a function of age (days) in three contrasting families (Family AA1, Family AA9 and Family AA14) of Nile tilapia (Oreochromis niloticus) AquaAmérica variety.
Figure 5 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 5. Photomicrograph of part of a transverse section of Oreochromis niloticus passing through the postotic region showing the petrosal ganglion and the origin of the rami pretrematic and posttrematic of nervus glossopharyngeus from the ganglion. The sympathetic nerve and sympathetic branch are also shown. X60.
Figure 2 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 2. Photomicrograph of part of a transverse section of Oreochromis niloticus passing through the postorbital region showing the origin of the root of nervus glossopharyngeus. X40.
Figure 4 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 4. Photomicrograph of part of a transverse section of Oreochromis niloticus through the postotic region showing the position of the glossopharyngeal nerve extracranially. X60. AU.C. Auditory capsule.EXO. Exooccipital bone.F.GP. Glossopharyngeal foramen. IJV.internal jugular vein.G.EB.X 1 The epibranchial ganglion of the 1st branchial vagal trunk.G.EB.X The epibranchial ganglion 2 of the 2nd branchial vagal trunk. MO. Medulla Oblongata. N.CSY. Cranial sympathetic nerve. N.IX Nervus glossopharyngeus RO.IX Glossopharyngeal root.
Genetic differentiation following recent domestication events: A study of farmed Nile tilapia (Oreochromis niloticus) populations
<p>SNP array data from our research article. It contains the SNP markers in common across the different Nile tilapia (Oreochromis niloticus) populations assessed in the study</p>
Data set to 'Microplastics in aquaculture - potential impacts on inflammatory processes in Nile tilapia'
<p>Raw and analyzed data sets to the publication 'Microplastics in aquaculture - potential impacts on inflammatory processes in Nile tilapia'</p>
Multi-omics analysis reveals the glycolipid metabolism response mechanism in the liver of Genetically Improved Farmed Tilapia (GIFT, Oreochromis niloticus) under hypoxia stress
<p><span><b>Background: </b>Dissolved oxygen (DO) in the water is a vital abiotic factor in aquatic animal farming. A hypoxic environment affects the growth, metabolism, and immune system of fish. Glycolipid metabolism is a vital energy pathway under acute hypoxic stress, and it plays a significant role in the adaptation of fish to stressful environments. In this study, we used multi-omics integrative analyses to explore the mechanisms of hypoxia adaptation in Genetically Improved Farmed Tilapia (GIFT, <i>Oreochromis niloticus</i>). </span></p> <p><span><b>Results:</b><b> </b>The 96 h median lethal hypoxia (96h-LH50) for GIFT was determined by linear interpolation. We established control (DO: 5 mg/L) groups (CG) and hypoxic stress (96h-LH50) groups (HG) and extracted liver tissues for high-throughput transcriptome and metabolome sequencing. A total of 581 differentially expressed (DE) genes and 1250 DE metabolites were detected between CG and HG, and were annotated using tools at the KEGG database. We verified the transcript levels of eight DE genes by quantitative real-time PCR.</span></p> <p><span><b>Conclusions: </b>Analyses of essential glycolipid metabolism pathways of GIFT under hypoxia stress showed that, after 96 h of hypoxia stress, lipid metabolism became the primary metabolic pathway in GIFT. Our findings reveal the changes in metabolites and gene expression that occur under hypoxia stress, and shed light on the regulatory pathways that function under such conditions. Ultimately, this information will be useful to devise strategies to decrease the damage caused by hypoxia stress in farmed fish.</span></p>
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
<p>During colonial times, Nile tilapia <em>Oreochromis niloticus</em> (Linnaeus, 1758) was introduced in non-native parts of the Congo Basin (Democratic Republic of the Congo, DRC) for the first time. Currently, it is the most farmed cichlid in the DRC, and is present throughout the Congo Basin. Although Nile tilapia has been reported as an invasive species, documentation of historical introductions into this basin and its consequences are scant. Here, we study the genetic consequences of these introductions by genotyping 213 Nile tilapia from native and introduced regions, focussing on the Congo Basin. Additionally, 48 specimens from 16 other tilapia species were included to test for hybridisation. Using RAD sequencing (27 611 SNPs), we discovered genetic admixture with other tilapia species in several morphologically identified Nile tilapia from the Congo Basin, stressing their ability to interbreed and the potential threat they cause to the genetic integrity of native tilapias. Populations from the Upper Congo and those from the Middle-Lower Congo are strongly differentiated. The former show genetic similarity with Nile tilapia from the White Nile, while specimens from the Benue Basin and Lake Kariba are similar to Nile tilapia from the Middle-Lower Congo, suggesting independent introductions using different sources. We conclude that the presence of Nile tilapia in the Congo Basin results from independent introductions, reflecting the dynamic aquaculture history, and that their introduction probably leads to genetic interactions with native tilapias, which could lower their fitness. We therefore urge to avoid introductions of Nile tilapia in non-native regions and to use native tilapias in future aquaculture efforts.</p>
Figure 1 in Effect of Moringa olifera leaves on growth and gut microbiota of Nile tilapia (Oreochromis niloticus)
Figure 1. Growth performance parameters.
Fig 2 in Nutritional characteristics and costs of diets based on fish, spirulina, maggot and earthworm meals at the larval phase of rearing tilapia Oreochromis niloticus
Fig 2: Maggot
Fig 1 in Nutritional characteristics and costs of diets based on fish, spirulina, maggot and earthworm meals at the larval phase of rearing tilapia Oreochromis niloticus
Fig 1: Spirulina
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