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ISSN: 2468-550X
CN: 10-1397/S
p-ISSN: 2096-1758

Effects of light intensity and photoperiod on the growth and stress response of juvenile Nile tilapia (Oreochromis niloticus) in a recirculating aquaculture system

Light is an essential natural factor of fish growth and development. A light regime in indoor aquaculture is critical for sustainable fish production. This research aimed to investigate the effect of...

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Angling of hybrid sunfish from a hatchery pond with potential implications for community fisheries

Hatcheries are frequently called upon to produce catchable-sized fish for stocking community fishing ponds. Desirable attributes of fish selected for stocking into community ponds are that they are...

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Comparison for ecological economic performance of Chinese sea perch (Lateolabrax Maculatus) under different aquaculture systems

Chinese sea perch (Lateolabrax Maculatus) is one of the main marine fish culture species in China, its green development has received increasing attention and its ecological economic study is rare....

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Retention of fin clips and fin and operculum punch marks in rainbow trout

Fin clips (complete fin removal) or punch marks (stamping of a hole) in fins or operculum are quick and inexpensive methods to identify individuals or groups of fish. This study evaluated the retention...

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Characterization of refined fish oil from small fish in Mauritania

In this study, the effects of chemical refining on the physicochemical indices, environmental pollutants, lipid functional groups, relaxation characteristics, fatty acid profiles, and triglyceride (TG)...

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Transcriptome analysis and candidate gene identification reveals insights into the molecular mechanisms of hypermelanosis in Chinese tongue sole (Cynoglossus semilaevis)

Blind-side hypermelanosis has emerged as a major concern in flatfish aquaculture worldwide, including tongue sole (Cynoglossus semilaevis) in China. The causative gene and the molecular basis are still...

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Genetic diversity and relatedness inferred from microsatellite loci as a tool for broodstock management of fine flounder Paralichthys adspersus

Paralichthys adspersus is a native species from the Pacific coast of South America that is of great economic importance for Peruvian aquaculture. Even though establishing sustainable farming depends...

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Environmental variables affecting the gillnet catches and condition of Labiobarbus festivus and Osteochilus hasseltii in northern Malaysia

The influences of technical factors on the catching efficiencies of gillnets are well understood, but less is known about the importance of environmental factors and how these might concurrently affect...

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Effects of low and high levels of nano-selenium on intestinal microbiota of Chinese tongue sole (Cynoglossus semilaevis)

Nano-selenium (Se) has attracted growing attention due to its high bioavailability, low toxicity and its possible applications in the prevention of oxidative damage in animal tissues. Recent research...

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The digestible phosphorus requirement in practical diet for largemouth bass (Micropterus salmoides) based on growth and feed utilization

The present study was conducted to estimate the optimum requirement of phosphorus in practical diets for largemouth bass (Micropterus salmoides). Six iso-energetic and iso-nitrogenous diets were formulated...

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Preliminary data of life history traits of Mormyridae (Actinopterygii: Teleostei) in the Upper Sanaga River, Central Region of Cameroon

The present study on some biological aspects of the Mormyridae fishes, was conducted between May and August 2015 in the Upper Sanaga at Lékié Department (Monatélé Town), Center Cameroon. For this purpose,...

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Transcriptomic analysis reveals growth-related genes in juvenile grass carp, Ctenopharyngodon idella

Grass carp has the highest production yield among all the farmed fish species around the world. But the molecular and genetic basis of growth traits is inadequately understood in this fish. In the present...

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Impact of anthropogenic activities on changes of ichthyofauna in the middle and lower Xiang River

With the population increasing, fish communities, as important components in the river system, were inescapably impacted by human activities. To investigate these impacts, we characterized the fish...

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Hybrids production as a potential method to control prolific breeding in tilapia and adaptation to aquaculture climate-induced drought

Establishing suitable salt tolerant all-male tilapia strains with fast growth rate is a crucial requirement for successful euryhaline farming required for controlling prolific breeding and as an adaptation...

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A chromosome-level genome assembly of the blackspotted croaker (Protonibea diacanthus)

The blackspotted croaker (Protonibea diacanthus) is an endangered coastal marine fish. It is also a valuable species that is cultured on the southeast coast of China. While some genetic studies have...

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The ghrelinergic system in zebrafish gonads is suppressed during food unavailability

Ghrelin is an appetite stimulatory peptide that regulates reproduction in vertebrates. The acylation of ghrelin by ghrelin-O-acyltransferase (Goat) is essential for most of its functions. The ghrelinergic...

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Impact of ovariectomy and estradiol-17β (E2) replacement on the brain steroid levels of the Indian stinging catfish Heteropneustes fossilis

In the present study, effects of ovariectomy (Ovx) and estradiol-17β (E2) replacement on the brain steroid levels were investigated in the resting and prespawning phases of the female catfish Heteropneustes...

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Molecular characterization and expression patterns of nuclear androgen receptors in the ovoviviparous black rockfish Sebastes schlegelii

nARs are ligand-activated transcription factors associated with gonadal development and reproductive regulation. In this study, two nuclear androgen receptor genes (ara and arb) were cloned from an...

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Reproduction and gonadal development in bony fishes

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Understanding the impact of stress on teleostean reproduction

Fishes exert stress response in a various ways depending on the type of the stressor. The stress responses are activated through a cascade mechanism stimulated by the stressor which involves the hypothalamus–hypophyseal–interrenal...

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Reproductive farming technology in Japanese eel and chub mackerel

Japanese eel (Anguilla japonica) and chub mackerel (Scomber japonicus) are commercially valuable species in Asian aquaculture. The reduction in eel and chub mackerel resources has been a serious problem...

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Environmental hypoxia: A threat to the gonadal development and reproduction in bony fishes

Vast stretches of open water bodies are gradually becoming hypoxic as a result of depletion of oxygen levels mainly due to various human anthropogenic activities. This problem of hypoxic stress on the...

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Sexual plasticity in bony fishes: Analyzing morphological to molecular changes of sex reversal

Sex reversal is one of the characteristic properties of sexual plasticity in bony fishes wherein both natural and induced sex change happens at various stages of life cycle in different species. Sex...

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Control of gonadal maturation and sex in grouper

Protogynous groupers, belonging to the subfamily Epinephelinae, are among the most crucial fishery targets in the Asian countries. Currently, several grouper species are cultured, providing seed for...

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Seasonal dynamics, kinetics, and effects of 2-hydroxyestradiol-17β on some steroidogenic enzymes in the ovary of the catfish Heteropneustesfossilis

The synthesis of bioactive steroids is catalyzed by an array of enzymes of diverse properties and actions. In the present study, seasonal dynamics and kinetics of key steroidogenic enzymes, 17α-hydroxylase...

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