Tilapya Balığı Oreochromis niloticus L. Yavrularının Balık Unu Yerine Farklı Oranlarda Soya Unu İlave Edilen Yemlerle Beslenmesinin Büyüme Parametrelerine Etkisi

Year 2006, Volume: 12 Issue: 01, 0 - 0, 01.01.2006

Nesrin Uysal Süleyman Bekcan

Abstract

Bu çalışmada, yavru tilapya balıklarında balık unu yerine, yağsız soya unu ile lisin eklenerek hazırlanan rasyonların etkisi araştırılmıştır. Ortalama % 35.8 ham protein ve 2.6 sindirilebilir enerji içeren üç rasyon hazırlanmıştır. 1. rasyon grup 1; kontrol rasyondaki proteinin % 25.13 balık unu proteininden gelmektedir. Deneme rasyonları grup 2 ve 3, balık unundan gelen proteinin sırasıyla % 30 ve % 50 si yerine yağsız soya unu proteini gelecek şekilde hazırlanmıştır. Deneme 12 hafta süresince suyun filitre edildiği kapalı dolaşımlı sistemde yürütülmüştür. En yüksek ortalama ağırlık kazancı ve spesifik büyüme oranı 1. rasyon ile beslenen 1. grupta 646,15 % ; 2.39 saptanmıştır P0,10 önemli değildir. Bütün ölçüm kriterleri dikkate alındığında, balıkların performansı değişmeden balık unundan gelen balık proteininin %50 si yerine rasyona yağsız soya unu ilavesi önerilebilir

Keywords

Tilapya , Oreochromis niloticus , besleme , soya unu , büyüme

Effect of Partially Replacing Fishmeal With Soybean Meal on Growth Parameters of Nile Tilapia Oreochromis niloticus L.

Abstract

In this study, the effect of replacement of fish meal by defatted soybean meal with the dietary lysine supplementation in prepared diet was investigated in Nile tilapia fingerlings. Three different experimental diets all containing mean 35.8% crude protein and 2.6 DE at a various ratios of soybean meal has prepared. Diet 1 Group 1; Control Protein from fish meal is 25.13 % of crude protein. Control grup 1 diets were composed of fish meal completely. Experimental diets group 2 and 3 were composed of 30% and 50% defatted soybean protein respectively instead of fish meal. The experiment was carried out in a closed rearing system with recirculated filtered water for 12 weeks. Highest mean weight gain MWG and specific growth rate SGR were obtained group 1 fed with diet 1 646,15 % ; 2.39 and was significantly better than all other levels P

Keywords

Tilapia , Oreochromis niloticus , feeding , soybean meal , growth

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