Effects of dietary fish oil replacement by unrefined peanut oil on the growth, serum biochemical and hematological parameters of Mozambique tilapia juveniles (Oreochromis mossambicus)

Bu çalışmada, rafine edilmemiş yerfıstığı yağının (PO ) kısmen veya tamamen balık yağı yerine (BO) yemlerde kullanılmasının 60 günlük besleme sonunda Mozambik tilapiya jüvenillerinin büyüme performansı ve bazı fizyolojik parametreleri üzerine etkileri araştırılmıştır. Çalışma üç farklı izonitrojenik ve izolipidik yemlerle (PO 0, PO50, PO 100) üç tekerrürlü olacak şekilde (başlangıç ağırlığı 6 ,36 ± 0 ,19 g) yürütülmüştür. Çalışmada PO 50 grubu yemlerle beslenen balıklarda büyüme diğer gruplara göre yüksek bulunmuştur (P0,05). Yemlerde balık yağının kısmen veya tamamen PO kullanılması balıkların hematolojik ve immünolojik özelliklerinde farklılık meydana getirmemiştir. Serum glukoz, kolesterol ve trigliserit bulgu ları PO 50 grubunda diğer gruplara göre düşük bulunmuştur (P

Yemlerde kullanılan rafine edilmemiş yerfıstığı yağının yavru Mozambik tilapiya balıklarında (Oreochromis mossambicus) büyüme performansı, serum biyokimyasal ve hematolojik parametrelere etkileri

This research aimed to evaluate the effects of partial or total re placement of fish oil (FO) with unrefined peanut oil (PO) on growth and some physiological parameters of Mozambique tilapia juveniles for 60 days. Three triplicate groups (initial weight 6.36±0.19 g) were fed with isoenergetic and isonitrogenous diets in w hich FO was replaced with PO in graded increments of 50% (PO0, PO 50, PO 100). The results showed that weight gain and feed efficiency of fish fed with PO 50 diet were statistically higher than in the other two groups (P<0.05). No significant effects were obs erved on whole body proximate composition of fish fed with the experimental diets (P>0.05). The partial or total replacement of FO with PO did not affect o n the hematological and immunological parameters of fish. Serum glucose, total cholesterol and trigly ceride were lower in fish fed with PO50 diet (P<0.05). The present study revealed that PO can be used as an alternate source of dietary lipid up to 50% in tilapia feeds without adverse effects on growth performance, hemato -immunological and serum biochemical parameters

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