TrAgLor - Turkish Agricultural Learning Objects Repository



Estimation of the Reproduction, Growth and Mortality Rates of Tub Gurnard (Chelidonichthys lucernus (Linnaeus, 1758) Population in the Bay of Iskenderun and Karataş Coasts

In this study, the spawning season, sex ratio, length at first maturity, fecundity, age composition, growth parameters and mortality rate of tub gurnard (Chelidonichthys lucernus (Linnaeus, 1758) caught from the Bay of Iskenderun and Karataş Coasts were investigated. Males matured at the total leng...

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An Investigation on Gene Transfer To Spirulina platensis (Cyanophyta)

In this study, serin esterase gene from Spirulina platensis amplified by PCR using two different primer sequences. The amplified gene cloned into the pBR325 vector in two different way, depending on differences between primers, thus, two entegrative vectors for S. platensis were constructed. The ne...

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Effect of Larger Fish and Size Grading on Growth and Biomass Gain in Nile Tilapia (Oreochromis niloticus) in Cage Conditions

In this study the effects of larger fish and size grading on growth of Nile tilapia were investigated. Fish close to mean population size (10.24l3.09 g) were raised either in presence (20% of the population), or absence of larger fish (39.95l2.12 g) for 60 days. At the end of the study growth was ca...

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Determination of Coastal Change in Yumurtalık Wetland System By Using Remote Sensing Data and Geographic Information Systems

Wetlands are the areas which have important effects and functions on protecting human life, balance of the nature, and biological variety, besides being potential exploitation sources. Observing the changes of these sensitive areas is important study for data collecting and correct planning for the ...

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The Effects of Fishing Season on The Basic Chemical Composition and Chemical and Sensory Quality of Wild Sea Bass (Dicentrarchus labrax Linne, 1758) at Frozen (-18 Oc) Storage

Seasonal changes in proximate composition of wild sea bass (Dicentrarchus labrax Linne, 1758) and the effects of fishing seasons on the chemical and sensory quality of frozen (- 18 oC) wild sea bass were investigated. It was found that the protein content of sea bass fillets in winter, spring, summe...

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The Sensory Properties and Food Composition Quality af Surimi Prepared From Tilapia (Oreochromis niloticus)

In this study, the sensory properties and food composition quality of surimi prepared from tilapia (Oreochromis niloticus) were investigated. Four study groups were prepared with different combinations of ingredients: red pepper, dill, thyme and control without any food additive. All groups were rep...

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Ectoparasite Research on Economic Fish Species Which is Caught From The Hurmaboğazı Lagoon (Adana)

In this study, Ectoparasite scan for skin, fin, gill, naris and eye holes of Sea Bream (Sparus aurata) and Sea Bass (Dicentrachus labrax) which is caught from the Hurmaboğazı lagoon, one of the important fishery area in the Eastern Mediterranean Region, was done and seasonal (October 2008 - February...

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Parasitological Research on Rainbow Trout (Oncorhynchus mykiss) Farming in Atatürk Dam Lake in Adıyaman City

In this study, ecto and endoparasite screening on skin, fin, gill and organs of Rainbow Trout (Oncorhynchus mykiss) and the other fish population found in natural habitat have been investigated in the Atatürk Dam Lake at Kahta High School in Department of Fshery Products at the Universty of Harran. ...

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Effects of Different Rates of Zeolite (Clinoptilolite) on Some Water Parameters and Growth and BoComposıtıon of Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792)

In this study, zeolite (clinoptilolite) was applied into pond water (Trial 1) (at the rates of 0 (Control), 1, 2 and 3 g/l) and feed (Trial 2) (at the rates of % 0 (Control), 1, 2 and 3) of rainbow trout (Oncorhynchus mykiss Walbaum, 1792) (20.8984l0.564 g and 12.8263l0.122 cm). Both trials were car...

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Effect of Gelatin Coating Incorporated with Chitosan on The Chemical, Physical, Microbiological and Sensory Quality of Sea Bream (Sparus aurata L., 1758) Fillets

Chitosan was used in gelatin coatings to maintain the quality of refrigerated seabream fillets over a period of 12 days. Fish fillets were coated with a solution of 15% fish gelatin incorporated with %0.5 and %1 chitosan and then stored in refrigerator (4+-1 oC). Coating's preservative effect was as...

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Some Biological Aspects of Cephalopods (Mollusca:Cephalopoda) Off The Coastal Area of Karataş (Northeastern Mediterranean)

In this study, Cephalopoda (Malacostraca) species, distrubuted throughout off the Karataş coastal area, and their bio-ecological charasteristics were defined. Bettween March 2004 and May 2005, samples were collectedthroughout the commercial fishing grounds with Mediterranean type deep trawl monthly ...

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Determination of Critical Thermal Minima And Maxima of European Sea Bass (Dicentrarchus labrax) in Different Salinity and Temperature Levels

This study was carried out to determine upper (CTMax), lower (CTMin) thermal tolerance, acclimation response ratio (ARR) and thermal tolerance polygon of the European Sea Bass (Dicentrachus labrax) inhabiting the north-eastern Mediterranean at three acclimation temperatures (15, 20, 25 oC) and three...

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Determining The Salinity and Temperature Tolerances of The Goldfish (Carassius auratus, Linnaeus, 1758), Black Molly (Poecilia latipinna, Lesueur, 1821) And The Guppy (Poecilia reticulata, Peters, 1859)

In this study, the salinity and temperature tolerances of the guppy (Poecilia reticulata, Poecillidae), The black molly (Poecilia latipinna, Poecillidae) ve Goldfish (Carassius auratus, Cyprinidae), which are some of notable aquarium fish species, were determined. The fish were observed for 4 days a...

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The Molecular Systematic Of Shads (Alosa spp.) in Turkish Seas

In this study mitochondrial DNA polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay was used to analyse the phylogenetic relationships among five shad species (Alosa caspia, A. fallax nilotica, Alosa maeotica, Alosa pontica, Alosa tanaica) from Turkish seas. The compl...

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Seasonal Fluctuations On The Macrobenthic Fauna Of Yumurtalık Bay

This study was carried out in a very important part of Iskenderun Bay, Yumrutalik Bight, in order to find out seasonal fluctuations on the macrobenthic fauna between September 2007 and July 2008. As a result of the study 2652 individuals were found from 24 different species the distributions of whic...

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Food Composition and Heavy Metal Contents of Fishes Consumed in Fishing Season in Northeastern Mediterranean (Adana/Karataş) Region

In this study, some heavy metals and minerals have been determined in liver, muscle tissues and food contents of the some pelagic and demersal fish which are fishing and heavily consumed in the region of Northeastern Mediterranean (Adana/Karatas ) during September 2003, December 2003, March 2004 and...

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Effects Of Aspartic And/Or Glutamic Acid Addition To Diet With Low Protein And Soybean-Based Meal On Growth Performance Of Tilapia (Oreochromis niloticus)

This study was carried out in two experiments to investigate the effects of two dietary attractants in diets containing two protein levels and protein sources on growth performance and feed consumption of tilapia (Oreochromis niloticus) fingerlings under aquarium conditions. In the 1st experiment, ...

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Effects Of Gamma İrradiatıon On Sensory, Chemical And Microbiological Quality Of Frog Legs (Rana esculenta) During Cold Storage (2oC)

The effects of gamma irradiation (0, 4 and 5 kGy) on the chemical, microbiological and sensorial quality of frog legs (Rana esculenta) during cold storage (2oC) were investigated. The major fatty acids of frog legs in all groups were found as palmitic acid, stearic acid, oleic acid, linoleic acid ve...

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Effects Of Dietary Inclusion Of Zeolite (Clinoptilolite) On Blood Parameters Of Tilapia (Oreochromis niloticus) Infected By Aeromonas Hydrophila

In this study, the effects of Zeolite (Clinoptilolite) added feed on some blood parameters of Aeromonas hydrophila infected Tilapia (Oreochromis niloticus L. ), were investigated. Fot his purpose, three different experiments were conducted. In the first experiment: fish were fed with %2 clinoptiloli...

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Benthic Fauna Of Aslantaş Dam Lake (Osmaniye)

Bu çalısma, Nisan 2001-Mart 2002 döneminde yürütülmüs olup, Aslantas Baraj Gölü bentik faunasının nitel ve nicel özellikleri ile bunların aylık degisimleri ortaya konulmustur. Gölün bentik faunasının, Bivalvia, Gastropoda, Demospongiae, Crustacea, Oligochaeta, Insecta olarak 6 sınıf ve bunlara ait 2...

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