TY - JOUR T1 - Farklı açlık tokluk besleme döngülerinin lepistes (Poecilia reticulata) balıklarında cinsiyete göre büyüme performansı ve maliyet üzerine etkileri TT - Effects of cycled starvation feeding regimes and gender on growth performance and cost analysis of guppy (Poecilia reticulata) AU - Karadal, Onur AU - Türkmen, Gürel PY - 2017 DA - December DO - 10.12714/egejfas.2017.34.4.09 JF - Ege Journal of Fisheries and Aquatic Sciences JO - EgeJFAS PB - Ege Üniversitesi WT - DergiPark SN - 2148-3140 SP - 423 EP - 430 VL - 34 IS - 4 LA - tr AB - Lepistes (Poecilia reticulata),pratikte çoğu zaman düzenli beslemenin uygulanmadığı hatta çoğu günlerbeslemenin bile yapılmadığı görülen bir süs balığı türüdür. Bu çalışmada,farklı açlık tokluk beslenme döngülerinin lepistes balıklarında cinsiyete görebüyüme ve gelişme üzerine etkileri araştırılmıştır. Çalışma dişi ve erkekbireylerde 3 tekrarlı olarak yürütülmüştür. Başlangıçta ortalama ağırlıkları vetotal boyları 0,129±0,025 g ve 2,39±0,20 cm olan dişi ve 0,122±0,019 ve2,39±0,14 cm olan erkek bireyler 30/50L stok yoğunluğunda kullanılmıştır.Denemede dişi (D) ve erkekler (E) ile ayrı deneme grupları oluşturularak, bugruplar günde bir (K), bir gün aç bir gün tok (AT) ve iki gün aç bir gün tok(AAT) olarak beslenmişlerdir. Besleme doyana kadar pul yem ile yapılmıştır.Balıklarda büyüme ve gelişim 15 günde bir örnekleme (ağırlık ve total boy) ile16 hafta boyunca takip edilmiştir. Çalışma sonunda en iyi ağırlık artışı dişikontrol (KD) grubunda görülürken ATD grubu dişi bireylerde daha az ve AATD, KE,ATE ve AATE gruplarında ise eşit ağırlık artışları görülmüştür (P<0,05).Total boylar arasında anlamlı bir fark görülmese de (P>0,05) en iyi totalboy artışı KD ve KE gruplarında görülmüştür, diğer grupların total boydeğerleri birbirlerine yakındır. Maliyet analizleri sonucunda ise en karlıbesleme KD grubunda saptanmıştır. Sonuç olarak lepisteslerin ticaribesiciliğinde en azından günde bir kez beslenmeleri önerilmiştir. KW - Lepistes KW - Poecilia reticulata KW - besleme döngüsü KW - büyüme performansı KW - maliyet analizi N2 - Guppy(Poecilia reticulata)is an ornamental fish species whichregular feeding has often been applied even it cannot be done on most days forits feeding, in practice. In this study, effects of cycled starvation feedingregimes and gender on growth of guppywere investigated. The study was carried out with threereplicates with male and female groups. Female guppies with mean weight of0.129±0.025 g and mean total lenght of 2.39±0.20 cm and male guppies with meanweight of 0.122±0.019 g and mean total lenght of 2.39±0.14 cm were placed toeach aquarium with 30 ind./50 L stocking density. In theexperiment, female (D) and male (E) guppies were formed in separate groups,these groups were fed with once a day (K), every other day (AT) and other twodays (AAT) starvation cycles. Fish were fed at satiation with flake feeds. Growth and development of fish weremeasured at every 15 days (weight and total lenght) during 16 weeks. The bestweight gain was shown in female control group (KD) while lower in ATD than theKD group and equal weight gain was observed in the AATD, KE, ATE and AATEgroups (P<0.05). A significant difference was not appeared between meantotal lenghts (P>0.05). The best total lenght gain was shown in KD and KEgroups, and also mean total length values of other groups areclose to each other. As a result of cost analysis, the most profitable feedinghas been stated on KD group. In conclusion, at least once a day feeding isrecommended for commercial guppy feeding. CR - Aral, O. & Şahin, D. (2015). Sperm storage and sperm reserve usage in female guppy (Poecilia reticulata). Journal of Academic Documents for Fisheries and Aquaculture, 1:161-164. CR - Auer, S.K., Arendt, J.D., Chandramouli, R. & Reznick, D.N. (2010). 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Aquaculture, 241:235-247. doi: 10.1016/j.aquaculture.2004.07.027 UR - https://doi.org/10.12714/egejfas.2017.34.4.09 L1 - https://dergipark.org.tr/tr/download/article-file/393618 ER -