The effect of Vitamin E on Black Sea Trout (Salmo labrax) broodstock performance

This study was conducted to examine the effects of feeding diets, different dose of vitamin E contains, on female and male Black Sea trout's (Salmo labrax) reproductive performance. Broodfish were fed with dry feed contained 100 (control), 250, 500, 1000 mg kg-1 vitamin E. Milt volume, spermato...

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Veröffentlicht in:Veteriner fakultesi dergisi 2010-06, Vol.16, p.219-222
Hauptverfasser: Serezli, R., Rize Univ., Faculty of Fisheries, Rize (Turkey), Akhan, S., Rize Univ., Faculty of Fisheries, Rize (Turkey), Sonay, F.D., Rize Univ., Faculty of Fisheries, Rize (Turkey)
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Zusammenfassung:This study was conducted to examine the effects of feeding diets, different dose of vitamin E contains, on female and male Black Sea trout's (Salmo labrax) reproductive performance. Broodfish were fed with dry feed contained 100 (control), 250, 500, 1000 mg kg-1 vitamin E. Milt volume, spermatozoid number, fecundity and egg size were determined. Milt volume and sperm number were positively affected at a dose of 250 and 500 mg kg-1 vitamin E in the diet. A similar positive trend was also observed at the dose of 1000 mg kg-1. Egg size is not affected by dietary vitamin E dose, but there are positive relationship between total fecundity and dietary vitamin E dose especially at the first stripping (P 0.05). Bu çalışma Karadeniz Alabalığı'nda (Salmo labrax) 6 hafta süreyle, yemlerine farklı dozlarda ilave edilen E vitamini ile beslemenin üremeye etkisini ortaya koymak amacıyla yapılmıştır. Anaç stoktaki balıklar 1 kg yemde 100 mg (kontrol grubu), 250 mg, 500 mg ve 1000 mg olacak şekilde E vitamini ilave edilen yemle beslenmişlerdir. Sperm hacmi, spermatazoa sayısı, fekondite ve yumurta çapı verileri incelenmiştir. Sperm hacmi ve spermatozoa sayısı 250 ve 500 mg E vitamin içeren yemlerle beslenen balıklarda pozitif yönde etkilenmiştir. Benzer ilişki 1000 mg kg-1 dozda da görülmüştür. Yumurta büyüklüğü yemdeki E vitamininden etkilenmezken, özellikle ilk sağımda total fekondite ve vitamin E miktarı arasında pozitif ilişki vardır (P 0.05).
ISSN:1309-2251
1309-2251