Çeşitli yem gruplarının alabalık (Oncorhynchus mykiss,Walbaum,1972) yavrularının büyüme performansına ve et verim özelliklerine etkileri

Başlangıç ağırlığı 0.23 g olan yavru gökkuşağı alabalıkları 16 hafta süresince kuru (Ticari Pelet), yaş (Dalak+Karaciğer) ve canlı (Artemia+Drosophila sp.) yemle beslenmiştir. Araştırma 3 muamele 2 tekerrürlü olarak tanklarda tamamen rasgele deneme planına göre yürütülmüştür. Elde edilen sonuçlara göre; başlangıç ağırlıkları yaklaşık aynı (0.23±0.04 g) olan balıkların, deneme sonu ağırlıkları çok farklılık göstermiştir. En yüksek değer 7.05±0.06 g ile kuru yem grubu, en düşük değerler ise, yaş ve canlı yem gruplarında sırasıyla 5.83+0.12 g ve 6.00±0.09 g olarak elde edilmiştir. Gruplar arasındaki farklılık istatistiki olarak önemli bulunmuştur (p

Anahtar Kelimeler:

sucul kültür, balık beslenmesi, yemler, yem tüketimi, yemden yararlanma, büyüme performansı, et verimi, gökkuşağı alabalığı

The effects of meat yield and growth performance of feeding rainbow trout (Oncorhynchus mykiss,Walbaum,1972) fingerlings with different feed groups

Rainbow trout, Oncorhynchus mykiss, with a mean initial weight of 0.23 g were feed the Live Food (Artemia+Drosophila sp.), Wet Feed (Spleen+Liver) and Commercial Feed for 16 weeks. The experiment was conducted as a completely randomized design, with three treatments and two replicate tanks. At the end of the experimental period, final weights offish having about the same initial weights (0,23±0,04 g) showed big differences. The highest value was 7.05±0.06 g from commercial feed group and the lowest values were 5.83±0.12 g and 6.00±0.09 g from the wet feed and live food respectively. The differences between the groups were found statistically significant (p<0.05). In terms of feed efficiency ratios, very different values were observed from the groups, and the differences were also statistically significiant (p<0.01). At the end of research, results of the another body analysis offish, the carcass weights rates points of view, the differences between the results of the commercial feed, wet feed and live food groups were statistically significiant (pO.Ol). In terms of condition factor values, the differences between the groups were insignificant. From the hepatosomatic and viscerasomatic indices points of view, the differences between the results of the groups were found statistically significant (p<0.05).

Keywords:

aquaculture, fish feeding, feeds, feed consumption, feed conversion efficiency, growth performance, meat yield, rainbow trout,

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