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Aquaculture Research Station Eğirdir Isparta is a Research Insitute, which mission is to improve the production of sustainable aquaculture, using all kinds of resources effectively and efficiently, Fisheries sector and carry out scientific research in inland waters for stakeholders to monitor the biological and ecological characteristics of water resources.

Water Quality in Tortum Stream and its Tributaries (Erzurum/Turkey)

KÖKTÜRK, Mine; Atatürk University et al. [2015-04-20]

This study was undertaken with the aim of determining the effects of domestic waste and hydroelectric dams on water quality in the Tortum Stream and its tributaries. Water samples were taken monthly from nine sampling points of Tortum Stream and its tributaries between July 2012 and May 2013. Analyzed for temperature (°C), pH, dissolved oxygen (DO), total suspended solids (TSS), alkalinity, Ca ...

SUBJECT: ammonia-nitrogen; tortum stream; total phosphorus; silica; total iron

Trammel Net Selectivity of Common Carp (Cyprinus carpio L., 1758) in Manyas Lake, Turkey

CİLBİZ, Mehmet; Eğirdir Fisheries Research Station et al. [2015-04-20]

The aim of this study was determine the selectivity properties of trammel net which have 100, 110, 120, 130 and 140 mm mesh size for Cyprinus carpio in Manyas Lake. Fieldwork was carried out in two different stations of Manyas Lake, in a monthly period from April 2007 to March 2008 and with a total of 24 catching trials. The SELECT method was used to determine the selectivity parameters. In th ...

SUBJECT: selectivity; select method; trammel net; cyprinus carpio

The white bream, Blicca bjoerkna (L., 1758) specimens (n=434) were collected from Lake Ladik between November 2009 and October 2010 in order to determine the age, growth, and reproductive season. Fork lengths and weights of these samples varied between 11.5-24.3 cm and 22.80-259.00 g, respectively. Age estimates obtained from scales and vertebrae were compared to determine the most reliable bo ...

SUBJECT: blicca bjoerkna; ageing; lake ladik; scale; reproduction season

In this study, some growth characteristics and relationships of Sakarya bleak inhabiting different water habitats (dam, pond and creek) in the Bilecik Province of Türkiye were examined. Sample weights ranged from 0.17 to 111.25 g. Total lengths were measured between 2.70 and 19.80 cm. According to the localities, the b values varied between 2.9469±0.07 and 3.2548±0.03. R2 values were computed ...

SUBJECT: isometric; sakarya bleak; growth; positive allometric; fulton’s condition factor

The Growth Properties of Prussian Carp (Carassius gibelio Bloch, 1782) Population in İznik Lake (Bursa/Turkey)

UYSAL, Rahmi; Su Ürünleri Araştırma İstasyonu Müdürlüğü et al. [2015-04-20]

In this study, the growth properties were determined of Prussian carp (Carassius gibelio, (Bloch, 1782)) in Iznik Lake. The study was conducted between from January to December 2006. Age and sex ratio, age-length, age-weight, condition factor, relative length and weight increase were determined from 3114 (1060 male, 2054 female) fishes. The fish belong to population was distributed between 0-V ...

SUBJECT: carassius gibelio; age-length-weight relations; condition factor; i̇znik lake

Histopathological Effects of Formaldehyde (CH2O) on Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792)

BULUT, Cafer; Eğirdir Fisheries Research Station et al. [2015-04-20]

Formaldehyde is commonly used as a disinfectant and also in a control of fish disease in aquaculture sector. However, this widespread use, can lead to environmental degradation and can cause negative effects on the treated fish with. In this study 250 mg/L (1 hour) and 500 mg/L (45 min) concentrations of formaldehyde were used. From the results of the histopathological findings degeneration wa ...

SUBJECT: formaldehyde; rainbow trout; histopathology; oncorhynchus mykiss

In this study, anesthetics effects of spearmint (Menta piperita) oil and lavandula (Lavandula angustifolia) oil as alternative to clove (Eugenia caryophylatta) oil were evaluated on rainbow trout (Oncorhynchus mykiss). Fish were exposed to different concentrations of the essential oils (30, 40, 50, 100, 150 and 200 mg l-1) for induction of anesthesia. Results showed that induction time decreas ...

SUBJECT: clove oil; lavandula oil; oncorhynchus mykiss; spearmint oil; anesthesia

The topmouth gudgeon Pseudorasbora parva is described as most invasive fish in Europe. It’s a small cyprinid fish native to East Asia. In 1982, the existence of this species was first recorded from the Thrace region of Türkiye. Todays it is recorded from Thrace to Ceyhan region. In this study was carried out Afyonkarahisar, Bilecik, Burdur, Denizli, Eskişehir, Isparta, Konya, Kütahya and Uşak ...

SUBJECT: anatolia; pseudorasbora parva; freshwater fishes; invasive species

SUBJECT: social structure; comportement social; papel de la mujer; role of women; turquie

This study was carried out to evaluate the effects of formaldehyde and blood treatments of hazelnut meal on the degradation characteristics and effective degradability of dry matter (DM), organic matter (OM) and crude protein (CP) in rumen. Hazelnut meal treated with 0.4, 0.6, 0.8 ve 1 g formaldehyde/100 g CP; 0.5, 0.75, 1.5 and 2 1 whole blood/kg DM

SUBJECT: biodegradability; formaldehyde; turquie; harina para piensos; avellana

POSTED TO: Journal of Lalahan Livestock Research Institute (Turkey) [1016-877X]