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Mediterranean Fisheries and Aquaculture Research (MedFAR)3
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The Israeli Journal of Aquaculture - Bamidgeh3
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Turkish Journal of Agriculture - Food Science and Technology (TURJAF)3
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Fish Physiology and Biochemistry2
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Journal of Animal and Veterinary Advances2
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Aquaculture1
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Aquaculture International1
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Ege J Fish Aqua Sci1
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Fresenius Environmental Bulletin1
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General Physiology and Biophysics1
Mersin merkezindeki akvaryum sektörünün genel profili'nin çıkarılması üzerine bir çalışma.
Hunt, Arzu Özlüer
Bu çalışmada, Mersin ili merkezindeki akvaryum işletmelerinin, profilleri çıkarılarak genel durumları hakkında değerlendirmeler yapmak amaçlanmıştır. Çalışma sonuçlarına göre, Mersin merkezinde kurulmuş olan toplam işletme sayısının 23 olduğu tespit edilmiştir. Akvaryum işletmelerinin% 11, 5’inin ticaret ortaklığı bulunmaktadır.% 88, 5’inin ise şahıs işletmesi olduğu belirlenmiştir. İşletmelerin 17 tanesi Esnaf ve Sanatkârlar Odası’na, 4 işletme Sanayi ve Ticaret Odasına kayıtlı ve 2 işletme ise herhangi bir odaya kayıtlı değildir. Akvaryum işletmelerin sahiplerinin% 12, 5’si üniversite mezunu iken,% 47, 5’i lise mezunu% 40’ı ise ilköğretim mezunudur. Akvaryum işletmelerinde% 95 erkek personel var iken bunların sadece% 5’i kadın personeldir. Akvaryum işletmelerinin% 91, 3’ü anlaşmalı veter...
Effects of Fenbutatin Oxide on Antioxidant System of Different Tissues in Cyprinus Carpio (L., 1758)
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER | YALIN, SERAP
In this study, effects of sublethal concentrations of fenbutatin oxide on catalase (CAT) and superoxide dismutase (SOD) activities and lipid peroxidation in muscle, liver, kidney and brain tissues of Cyprinus carpio were investigated. The 96-hours LC50 value for fenbutatin oxide was determined as 1.544 mg/L for C. carpio in this study. 0.15 mg/L (1/10 of LC50) and 0.30 mg/L (1/5 of LC50) sublethal concentrations were applied for 96 h (4 days) in this experiment. The CAT activities in tissues were increased relation to doses applied. The SOD activities were decreased by 0.30 mg/L. The tissue MDA levels were significantly increased in relation to dose applied.
Transition of wild-caught juvenile pikeperch, Sander lucioperca (Bogustkaya and Naseka, 1996) to dry feed using different types of food.
HUNT, ARZU ÖZLÜER
Wild-caught juvenile pikeperch (Sander lucioperca [Stizostedion lucioperca]; 6.21±0.38 g and 7.80±0.24 cm) were offered different types of food and tested for their transition to dry feed. Eight groups (including control) were fed according to the experimental feeding regime for 28 days. Group A (control) was fed with live Gambusia affinis fries alone. As initial feeding (the first 7 days of the experiment) before transition to dry feed, groups B, C and D were offered live food, whereas groups E and F were offered moist feed (minced bait shrimp meat and minced fish meat, respectively). Groups G and H were offered semi-moist feed (a mixture of fish meat + dry feed and a mixture of bait shrimp meat + dry feed, respectively). To determine their preferences and acceptance of different feeds, s...
The effects of freshwater rearing on the whole body and muscle tissue fatty acid profile of the European sea bass (Dicentrarchus labrax)
HUNT, ARZU ÖZLÜER | YILMAZ, FERBAL ÖZKAN | ENGİN, KENAN
The purpose of this study was to investigate the effect of freshwater rearing on the fatty acid profiles of the whole body and muscle tissue of the European sea bass (Dicentrarchus labrax). Half of initial fish were gradually acclimated to freshwater (FW) kept at the same temperature to salt water and grown in same conditions as their counterparts in saltwater (SW). The decrease in salinity caused an increase in the percentages of 18:1n − 9, 24:1n − 9, 18:3n − 3, 18:2n − 6 and decrease in the percentages of 14:0, 15:0, 20:0, 21:0, 20:5n − 3 and 22:6n − 3 both in the whole body and in the muscle tissue fatty acid profiles. The lipids of FW-reared fish contained significantly (P < 0.01) higher percentages of 18:2n − 6 and 18:3n − 6 than that of SW-reared fish. However, percentages of 20:5n −...
The protective role of ferulic acid against imidacloprid-induced oxidative stress in liver and brain of Cyprinus carpio
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER
This study evaluated the potential protective effect of ferulic acid (FA) on stress induced by imidacloprid (IM) in Cyprinus carpio (mean weight 60.10±2.22 g). Therefore, C. carpio was exposed to sublethal IM concentration (2.80 mg/L) for 10 days. During the experimental period, fish were fed a basal (control) diet and a basal diet supplemented with 5 g/kg of ferulic acid. The fish were divided into four groups (n = 6 in each group). The control group was exposed to tap water (the absence of imidacloprid) fed with control diet. The FA group was exposed to tap water (the absence of IM) and was fed with FA supplemented diet. The liver and brain tissues of both control and treated fish were dissected. Tissues samples were obtained from an individual fish and prepared for analysis. The variat...
Farklı Oranlarda Yonca Unu (Medicago sativas) İçeren Karma Yemlerle Beslenen Ot Sazanı (Ctenopharyngodan idella)’nın Büyüme ve Gelişme Parametrelerinin Saptanması”
HUNT, ARZU ÖZLÜER
Bu çalımada, farklı oranlarda yonca unu (Medicago sativas) içeren diyetlerle beslenen ot sazanı (Ctenopharyngodan idella)’nın büyümesi üzerine etkileri aratırılmıtır. Çalımada ortalama canlı aırlıkları 5.320.17 g olan balıklar kullanılmıtır. Balıklar; 60 gün boyunca %10, 15, 25, 40 ve 60 yonca unu içeren diyetler ile kontrol yemiyle beslenmilerdir. Deneme sonunda %10, 15, 25, 40 ve 60 yonca unu ilaveli yemlerle beslenen balıkların canlı aırlık ortalamaları sırasıyla 11.200.24, 11.540.36, 10.650.39, 9.530.54, 8.440.06 g olurken, kontrol grubunda bu deer 11.560.02 olarak bulunmutur. Denemenin ilk üç grubundan elde edilen deerler, kontrol grubuyla karılatırılınca benzer sonuçlar elde edilmitir (p
Prophylactic efect of myricetin and apigenin against lipopolysaccharide‑induced acute liver injury
KARAYAKAR, FAHRİ | YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER
Background: Liver has an important role in the initiation and progression of multiple organ failure that occurs in sepsis. Many natural active substances can be used to reduce the liver injury caused by sepsis. For this aim, the efects of myricetin and apigenin on mice model of acute liver injury was evaluated in this study. Methods and results: Thirty-six mice were randomly divided into six groups as; control, lipopolysaccharide (LPS) (5 mg/kg), LPS+myricetin (100 mg/kg), LPS+myricetin (200 mg/kg), LPS+apigenin (100 mg/kg), and LPS+apigenin (200 mg/kg) groups. Myricetin and apigenin were administered orally for 7 days, and LPS was administered intraperitoneally only on the 7th day of the study. 24 h after LPS application, all animals were sacrifced and serum biochemical parameters, hist...
Effects of Clove Oil and Eugenol on Anaesthesia and Some Hematological Parameters of European Eel Anguilla anguilla, L., 1758
HUNT, ARZU ÖZLÜER
To investigate anaesthetic and some hematological effects of clove oil and eugenol for European eel, Anguilla anguilla, L., 1758, 0.0, 0.025, 0.05 and 0.075 mlll of clove oil or 0.0, 2.250, 3.375 and 4.500 mlll of eugenol were applied to fish (80.9528.94 g). After fish was anaesthetized, half of fishes from each group were transferred into recovery tanks (to clean water), whereas, other half was retained there for next 48h. Induction time ranged between 3 and 5 min for clove oil and 2 and 5 min for eugenol. Fish reached to slh anaesthesia stage in all experimental groups except control and the lowest concentration group of both anaesthetics. Reaching the fish to 8th stage of recovery took 60 min in all groups. Opercular rates of fish in test groups of clove oil and eugonal decreased...
Biochemical and Antimicrobial Properties of Alburnus tarichi Roe Protein Hydrolysate
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER | YALIN, SERAP
The protein hydrolysates with antioxidant and antimicrobial potential have become a theme of great interest for pharmaceutical, nutraceuticals, as well as food processing and preservation industries. On the other hand, chemical composition of fish protein hydrolysates is significant in nutrition perspective of human health. Hence, in the present study proximate and amino acid compositions, antioxidant and antimicrobial activities of Alburnus tarichi roe protein hydrolysate was estimated. Protein, lipid, moisture, and ash content were found to be 87.24±0.1, 0.72±0.04, 8.79±0.3, and 7.01±0.09%, respectively. Glutamic acid, aspartic acid, lysine, leucine and alanine were found to be the most dominant amino acids, whereas, cysteine was found to be the lowest amino acid in roe protein hydrolys...
Effects of dietary selenium of organic form against lead toxicity on the antioxidant system in Cyprinus carpio
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER | YALIN, SERAP
In this study was evaluated potential protective effect of organic selenium (Se) on heavy metal stress induced by lead (Pb) in Cyprinus carpio. For this reason, C. carpio was exposed to sublethal concentration of Pb (1.5 mg/L Pb(NO3)2) for 14 days. The fish were fed a basal (control; measured 0.55 mg/kg Se) diet or a basal diet supplemented with 2.50 mg/kg (measured 2.92 mg/kg Se) organic Se (Sel-Plex®) during the experiment period. The variations in glutathione peroxidase (GSH-Px), glutathione S-transferase (GST) activities, and levels of reduced glutathione (GSH) with malondialdehyde (MDA) in liver and brain tissues of C. carpio were investigated in experimental groups. GSH levels in liver and brain tissues were significantly decreased by exposure to Pb. GST activity was significantly in...
The protective role of ascorbic acid (vitamin C) against chlorpyrifos-induced oxidative stress in Oreochromis niloticus
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER | YALIN SERAP
Ability of ascorbic acid (vitamin C) to attenuate oxidative damage was evaluated in liver and brain tissues of Oreochromis niloticus (O. niloticus) experimentally exposed to sublethal concentrations of chlorpyrifos (CPF). O. niloticus was exposed to sublethal concentrations of CPF at 12 μg/L (CPF1) and 24 μg/L (CPF2) for 96 h. The fish of vitamin C (Vit C) and CPF2 + Vit C groups were fed with Vit C supplemented diet (200 mg Vit C/100 g feed). A significant increase in thiobarbituric acid-reactive substances (TBARS) level (P < 0.05) was observed in brain of CPF-exposed fish although liver TBARS level was not changed compared to control group. This result showed that lipid peroxidation (LPO) was elevated in brain of fish exposed to CPF. Glutathione peroxidase (GSH-Px) activity in liver and ...
Investigation of Glutathion S-Transferase, Adenosine deaminase, Paraoxonase Activities in Liver of Oncorhynchus mykiss Fed with Nucleotide-Yeast Supplemented Diet
YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER
In this study, it was evaluated Glutathione S transferase (GST), Adenosine deaminase (ADA), and paraoxonase (PON) activities in liver tissue of Oncorhynchus mykiss fed with nucleotide yeast base protein supplemented diet. Throughout the 60-day period the control group was fed a fish meal based basal diet, and three other groups were fed diets in which 20% (NP 20), 40% (NP 40) and 60% (NP 60) fish meal was substituted with nucleotide (Nu-Pro® (NP) yeast). At the end of experiment, liver tissue GST, PON and ADA activity was increased significantly (P
Effects of Dietary Nucleotide Yeast on Immune Responses and Antioxidant Enzyme Activities of Rainbow Trout Juveniles (Oncorhynchus mykiss)
HUNT, ARZU ÖZLÜER | YILMAZ, FERBAL ÖZKAN | ENGİN, KENAN | YALIN, SERAP
This study aimed at demonstrating the effects of dietary supplementation of nucleotide yeast base protein (Nu-Pro®) (NP) on the antioxidant enzyme activities and immune response in liver and blood tissues of rainbow trout (Oncorhynchus mykiss). Fish with an average initial weight of 27.75±0.26 g were randomly assigned to four groups with three replicates. Throughout the 60 day grow-out period the control group was fed a fish meal based basal diet, and three other groups were fed diets in which 20 (NP 20), 40 (NP 40) and 60 % (NP 60) fish meal was substituted with nucleotide (Nu-Pro® (NP) yeast). There were no significant changes of superoxide dismutase (SOD) and catalase (CAT) activities in liver among the experimental groups. A significant decrease (P
ORGANİK SU ÜRÜNLERİ
HUNT, ARZU ÖZLÜER
Son yıllarda insanoğlu doğal ekosistemi yanlış ve bilinçsiz uygulamalar sonucu fazlaca tahrip etmiştir. Bunun sonucunda doğal kaynakların durumu, enerji sorunu, nüfus artışı, göç, kentleşme sorunları, tarım alanlarındaki sorunlar, sağlıklı-yeterli gıda üretimi sorunu, çevre kirliliği ve doğal dengenin bozulması gibi sorunlar üzerine organik-ekolojik-biyolojik tarım daha önemli hale gelmiştir. Bu amaçla doğa ile uyumlu, kaynakları doğru kullanan, sürdürülebilir kalkınmayı hedefleyen, hayvan refahını gözeten yeni tarımsal yaklaşımlar tüm dünyada yayılmaya başlamıştır. Organik tarım; ekolojik dengenin korunması, her türlü bitkisel, hayvansal ve su ürünleri üretimi ile kullanılacak girdilerin organik tarım metoduna uygun olarak üretilmesi veya temini, orman ve doğal alanlardan orga...