Three diets were tested to feed triplicate groups of Salmo trutta abanticus fry with initial average body weight of 0.091 g in fiberglass tank. Two diets consisted of live guppy fry (Lebistes sp.), tubifex (Tubifex tubifex) and third diet was compound diet made up from commercial trout feed. At the end of 12 week of feeding, the best results for average daily growth, specific growth rate, feed conversion ratio, protein efficiency ratio, daily growth index, feed efficiency, plasma total protein, weight increase, mean weight gain and survival rate were observed for the group fed with guppy fry (P<0.05) whereas the poorest results were obtained for the group fed with compound diet. ÖZETBaşlangıç ağırlıkları ortalama 0.091 g olan Salmo trutta abanticus larvaları üç tekerrürlü olarak üç farklı rasyonla beslenerek denemeler yürütüldü. Rasyonların iki grubu canlı yem (lebistes yavrusu ve tubifex), üçüncüsü karma yemden (ticari alabalık yemi) oluşmuştur. 12 haftalık besleme sonucunda ortalama günlük büyüme, spesifik büyüme oranı, yem dönüşüm oranı, protein etkinlik oranı, günlük büyüme indeksi, yem etkinliği, plazma toplam proteini, ağırlık artışı, ortalama ağırlık kazanımı ve yaşama oranı için en iyi sonuçlar lebistes yavruları ile beslenen grupta gözlenmiştir (P<0.05). En düşük sonuçlar ise karma yemle beslenen grupta elde edilmiştir.
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