YILMAZ EMRE, SEBAHATTİN ERGÜN, Adem KURTOĞLU, BETÜL GÜROY, DERYA GÜROY

Effects of ulva meal on growth performance of gilthead seabream (sparus aurata) at different levels of dietary lipid

Bu araştırmada, farklı yem yağ seviyesinde yeme eklenen Ulva ununun yavru çipuraların (Sparus aurata )un büyüme performansı, yem kullanımı ve vücut kompozisyonu üzerine etkileri çalışılmıştır. Çalışmada, yaklaşık 8,5±0,01 gr ağırlığında olan çipura balıkları 7 hafta boyunca deneme yemleri ile beslenmişlerdir. Sekiz adet izonitrojenik deneme yem, farklı yağ oranlarına (%13 (13L), %1 6 (16L), %19 (19L) ve %22 (22L)) ulva unu ilave edilmemiş (%0) ve ilave edilmiş olarak (%4) hazırlanmıştır. 22L-U yem grubu ile beslenen çipuraların son ortalama vücut ağırlığı ve spesifik büyüme oranı 13L ve 13L-U gruplarına göre önemli derecede yüksek bu lunmuştur (P

Farklı seviyelerde yağ içeren ulva yeminden hazırlanan diyetin çipura (sparus aurata) nın büyüme performansına etkileri

A nutrition trial was carried out to investigate the effects of inclusion of Ulva meal at different dietary lipid levels on growth performance, feed utilization and body composition of juvenile gilthead seabream, Sparus aurata . In this study, gilthead seabream with an average weight of 8.5±0.01 g were fed experimental diets for 7 weeks. The Eight isonitrogenous diets (crude protein 50%) were designed to provide 13% (13), 16% (16), 19% (19) and 22% (22) crude lipid with or without 4% inclusion of Ulva meal (13U, 16U, 19U and 22U). Final mean weight and specific growth rate (SGR) of gilthead seabream fed 22L-U were higher than that of 13L and 13L-U groups. The mean feed conversion ratio varied from 0. 92 (22L- U) and 1.33 (13L and 13L-U). The present study shows that dietary low level (4%) Ulva meal at all dietary lipid levels could be used in juvenile gilthead seabream without causing any adverse effects on growth and feed utilization.

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