نتایج جستجو برای: electeric yellow fish

تعداد نتایج: 148297  

F Yao G Ruan J Zhang L Huang Q Wan Y Yang,

The compensatory growth, proximate composition and amino acid contents changes of young yellow catfish (Pelteobagrus fulvidraco R.) (1.63-1.69 g) had been investigated using a 45-day cyclic feed deprivation and re-feeding experiment. The control group (S0) was fed daily with live tubificid worms (Limnodrilus hoffmeisteri), while the S1/4, S1/2, and S1/1 groups cyclically experienced one-day of ...

2015
Ryusuke Sudo Katsumi Tsukamoto

Migratory restlessness refers to a type of locomotor activity observed just before the onset of a migration. This behavior is primarily known in birds, where it is considered to be an indicator of the urge for migration. In contrast, little is known about migratory restlessness in fishes. To confirm migratory restlessness in a fish, we measured the locomotor activity of the Japanese eel, Anguil...

2013
Mohd Nor Azman

The detection of tetrodotoxin (TTX) and saxitoxin (STX) in dried salted yellow puffer fish (Xenopterus naritus) eggs bought from Satok Market, Kuching, Sarawak was carried out by mouse bioassay method. The amount of TTX and STX detected in the samples ranged from 95.6-195.5 Mouse Unit (MU)/g and 1.72-3.58 MU/g respectively. The results indicate that the dried salted eggs samples were found to c...

2005
LOWELL A. WOODBURY

A heavy loss of fish occurred during April 1940, in the south end of Lake Waubesa, Wisconsin, a•d i• the Yahara River below the lake. The fish affected were mainly black crappies, altllough bluegills, northern pike, yellow pikeperch, commm• suckers, and carp, were killed to a lesser extent. A heavy algal bloom composed principally of Chlamydomonas was concentrated in the area of fish loss and w...

1998
D. J. Marcinek

We measured the horizontal and vertical movements of ®ve adult yellow®n tuna (Thunnus albacares, estimated body mass 64 to 93 kg) near the main Hawaiian Islands, while simultaneously gathering data on oceanographic conditions and currents. Fish movements were recorded by means of ultrasonic depth-sensitive transmitters. Depth±temperature and depth±oxygen pro®les were measured with vertical cond...

Journal: :The Journal of nutrition 2015
Kai Liao Jing Yan Kangsen Mai Qinghui Ai

BACKGROUND Substantial progress has been made in nutritional epigenetics, but little is known regarding whether mitochondrial DNA (mtDNA) methylation is involved in this process. OBJECTIVE The objective of this study was to determine whether dietary lipid sources [various fatty acids (FAs)] modify mtDNA methylation. METHODS A total of 600 large yellow croakers (Larimichthys crocea) with an ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1990
D Y Sanchez H H Zakon

The weakly electric fish Sternopygus detects electric fields with a receptor organ called a tuberous electroreceptor. Previous studies have shown that an electroreceptive afferent fiber innervates a single organ in small fish and that as fish grow some of these organs divide, giving rise to daughter organs; these divide in turn to produce a cluster of organs. All of the organs in a cluster are ...

Journal: :The Science of the total environment 2014
Magali Houde Maeva Giraudo Mélanie Douville Bérénice Bougas Patrice Couture Amila O De Silva Christine Spencer Stéphane Lair Jonathan Verreault Louis Bernatchez Christian Gagnon

The development of integrated ecotoxicological approaches is of great interest in the investigation of global concerns such as impacts of municipal wastewater effluents on aquatic ecosystems. The objective of this study was to investigate the effects of a major wastewater municipal effluent on fish using a multi-level biological approach, from gene transcription and enzyme activities to histolo...

2017
Francisco X. Mora-Zamorano Rebekah Klingler Niladri Basu Jessica Head Cheryl A. Murphy Frederick P. Binkowski Jeremy K. Larson Michael J. Carvan

Methylmercury (MeHg) is a pervasive and ubiquitous environmental neurotoxicant within aquatic ecosystems, known to alter behavior in fish and other vertebrates. This study sought to assess the behavioral effects of developmental MeHg exposure on larval yellow perch (Perca flavescens)-a nonmodel fish species native to the Great Lakes. Embryos were exposed to MeHg (0, 30, 100, 300, and 1000 nM) f...

Journal: :Poultry science 2007
G Cherian M G Traber M P Goeger S W Leonard

The effects of incorporating conjugated linoleic acid (CLA) and fish oil in laying hen diets on egg CLA, n-3 fatty acid, tocopherol, and TBA reactive substances (TBARS) during 60 d of storage were investigated. Hens were fed corn-soybean meal-based diets containing 3% yellow grease (YG), 2.75% yellow grease + 0.25% CLA (YG-CLA), 2.5% yellow grease + 0.25% CLA + 0.25% fish oil (YG-CLA-FO), or 2....

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