Aquaculture disease management and microbiota

Docosahexaenoic acid (DHA) was the major polyunsaturated fatty acid (PUFA) in the sperm plasma membrane, and the levels of PUFAs decreased in treated groups during the cryopreservation process. The supplementation of TT (Tribulus terrestris) to Cyprinus carpio sperm at 200 µg∙L-1 positively affected the maintenance of…

• FİLİZ KUTLUYER KOCABAŞ

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Global fish oil production has plateaued while salmonid aquaculture expands, creating urgent demand for sustainable alternative lipid sources. This study evaluated the effects of replacing dietary fish oil with canola oil, safflower oil, and their blends on growth performance, feed utilization, condition indices, and…

This study examined how possible feed additions, such as zeolite, diatomite, and leonardite, affected aquarium fish growth and reproduction. The meals of the guppy (Poecilia reticulata) fry were supplemented with 4% zeolite, leonardite, and diatomite. Weight increase (g), specific growth rate (SGR, %), and survival ra…

The aim of this study was to isolate thermophilic Campylobacter species from broiler carcasses and feces and to determine the antimicrobial resistance and virulence genes of the isolates. The isolation rates of thermophilic Campylobacter species in cloacal swab and carcass/meat samples were 16% and 43.33%, respectivel…

Global warming and environmental pollution trigger the emergence of antimicrobial-resistant (AMR) opportunistic pathogens in the aquatic microflora. This study aimed to determine the characterization and AMR profile of the opportunistic pathogen Kocuria rhizophila isolated from the tissues of Salmo munzuricus (Munzur…

The striped seabream Lithognathus mormyrus is increasingly considered a promising candidate for species diversification in Mediterranean aquaculture, yet information on its parasite fauna remains limited. This study reports the first confirmed occurrence of the microcotylid monogenean Bychowskicotyla mormyri (Lorenz,…

This study investigated the impact of a yeast containing the prebiotic β-glucans, on the growth parameters and enzyme activities of rainbow trout (Oncorhynchus mykiss) at various dosage levels. The fish were randomly placed in plastic tanks (120 x 50 x 32 cm) in three trial groups and replicates, with an average weigh…

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) using a multi-biomarker approach and molecular docking. Fish were assigned to six experimental groups: control, EA-treated, Pb-I, Pb-I + EA, Pb-II, and Pb-II + EA. Fish in the Pb-I and Pb-II groups were exposed to 2.5 and 5 mg/L Pb, respectively, while EA was administered via diet at 100 mg/kg for 14 days. At the en…

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